{
  "format": "construct-scene",
  "version": 2,
  "id": "braun-sk4",
  "title": "Braun Phonosuper SK 4 · Rams and Gugelot, 1956",
  "subject": {
    "category": "object",
    "summary": "The 1956 Braun Phonosuper SK 4 radio-phonograph: a white-lacquered steel box with elm side panels, its controls moved to the top deck under a raked clear acrylic hood, and the Wagenfeld PC 3 turntable inside. Modelled at 580 x 244 x 290 mm from published dimensions and three photographs.",
    "accuracy": "approximate",
    "synthetic": false
  },
  "units": "m",
  "seed": 1956,
  "sources": [
    {
      "id": "request",
      "kind": "user_request",
      "title": "The owner's request",
      "ref": "Masterpiece construct of a Braun SK 4 radio-phonograph (Dieter Rams and Hans Gugelot, 1956) plus a printable replacement for one missing large control knob.",
      "rights": "user_private"
    },
    {
      "id": "wiki-de",
      "kind": "document",
      "title": "Braun SK 4 (deutsche Wikipedia)",
      "ref": "https://de.wikipedia.org/wiki/Braun_SK_4 : lacquered sheet-metal casing with punched speaker/vent slots, elm (Rueste) side walls, light-grey controls all on the top, acrylic hood with a rear cutout for long-playing records, PC 3 turntable, five valves, 295 DM.",
      "rights": "reference_only"
    },
    {
      "id": "museum-dns",
      "kind": "document",
      "title": "Die Neue Sammlung: Stereo-Phonosuper SK4-1",
      "ref": "https://die-neue-sammlung.de/en/objekt/radio-phono-combination-stereo-phonosuper-sk4-1 : size H 29 cm, L 58 cm, D 24.4 cm; metal painted white, elm wood, PMMA clear/white/grey; controls on the top under a Perspex hood that folds back.",
      "rights": "reference_only"
    },
    {
      "id": "vam",
      "kind": "document",
      "title": "V&A: Phonosuper radiogram SK55",
      "ref": "https://collections.vam.ac.uk/item/O168285/ : Height 24 cm, Width 58 cm, Depth 29 cm (measured for Cold War Modern, 2008); metal, wood and acrylic plastic.",
      "rights": "reference_only"
    },
    {
      "id": "dasprogramm",
      "kind": "document",
      "title": "das programm: SK 4 phonosuper, 1956",
      "ref": "https://dasprogramm.co.uk/shop/braun/view/368 : dimensions 580 x 244 x 290 mm; Gugelot enclosure, Wagenfeld PC 3 phono module, Lindinger controls, Aicher tuning scale, Rams acrylic hood.",
      "rights": "reference_only"
    },
    {
      "id": "hifiblueprint",
      "kind": "document",
      "title": "hifi blueprint: Braun SK 4 (1956)",
      "ref": "https://hifiblueprint.com/classics/braun-sk-4 : reports Radiomuseum's 580 x 240 x 290 mm and 11 kg; valves ECC85, 2x EF89, EABC80, EL84, 3 W; PC 3 three speeds, no changer, no counterweight; Isophon 170 x 250 mm elliptical speaker.",
      "rights": "reference_only"
    },
    {
      "id": "photo-1",
      "kind": "observation",
      "title": "Front view, lid closed (Alf van Beem, CC0)",
      "ref": "refs/photo-1.jpg : '1956 Braun Phonosuper SK4 Schneewittchensarg.JPG', Alf van Beem, CC0, Wikimedia Commons. Scale: 3.02 px per mm on the front face.",
      "rights": "public_domain"
    },
    {
      "id": "photo-2",
      "kind": "observation",
      "title": "Lid open, control panel (With Associates, CC BY-SA 2.0)",
      "ref": "refs/photo-2.jpg : 'Braun SK 4.1.jpg', With Associates, CC BY-SA 2.0, Wikimedia Commons.",
      "rights": "permitted"
    },
    {
      "id": "photo-3",
      "kind": "observation",
      "title": "Three-quarter view from the left (Andy Armstrong, CC BY-SA 2.0)",
      "ref": "refs/photo-3.jpg : 'Pinakothek der Moderne. Record Player (6786756466).jpg', Andy Armstrong, CC BY-SA 2.0, Wikimedia Commons.",
      "rights": "permitted"
    }
  ],
  "facts": [
    {
      "key": "model",
      "value": "Phonosuper SK 4",
      "certainty": "verified",
      "source": "museum-dns"
    },
    {
      "key": "year",
      "value": 1956,
      "certainty": "verified",
      "source": "wiki-de",
      "note": "Presented autumn 1956 at 295 DM; the SK 4/1 revision followed in 1957."
    },
    {
      "key": "designers",
      "value": "Hans Gugelot and Dieter Rams, with Wilhelm Wagenfeld's PC 3 turntable",
      "certainty": "verified",
      "source": "museum-dns",
      "note": "Gugelot: the white sheet-metal enclosure. Rams: the acrylic hood. Wagenfeld: the record player. Lindinger the controls, Aicher the scale (das programm)."
    },
    {
      "key": "width",
      "value": 0.58,
      "unit": "m",
      "certainty": "verified",
      "source": "museum-dns",
      "note": "58 cm in Die Neue Sammlung, V&A and das programm alike."
    },
    {
      "key": "depth",
      "value": 0.244,
      "unit": "m",
      "certainty": "verified",
      "source": "museum-dns",
      "note": "24.4 cm. V&A lists 29 cm depth for the later SK55; photo-1's front elevation (width 580 mm) puts the height at ~290 mm, which agrees with 24.4 cm depth and not with 29 cm."
    },
    {
      "key": "height",
      "value": 0.29,
      "unit": "m",
      "certainty": "verified",
      "source": "museum-dns",
      "note": "29 cm over the closed hood. Traced check from photo-1: object height / width = 890/1754 px = 0.507 -> 294 mm."
    },
    {
      "key": "weight",
      "value": 11,
      "unit": "kg",
      "certainty": "inferred",
      "source": "hifiblueprint",
      "note": "Reported from Radiomuseum's data sheet; not weighed by the author."
    },
    {
      "key": "front-height",
      "value": 0.155,
      "unit": "m",
      "certainty": "verified",
      "source": "photo-1",
      "note": "White front panel from its bottom edge (y=0.021) to its top edge: 434 px at 3.02 px/mm = 144 mm."
    },
    {
      "key": "hood-rake",
      "value": 29.0,
      "unit": "deg",
      "certainty": "verified",
      "source": "photo-1",
      "note": "The hood's back edge sits at the full 290 mm; its front edge meets the body's top at 144 mm over 244 mm of depth."
    },
    {
      "key": "body-material",
      "value": "White-lacquered sheet steel with punched speaker and vent slots",
      "certainty": "verified",
      "source": "wiki-de"
    },
    {
      "key": "side-material",
      "value": "Elm-veneered wooden side panels (reddish Rueste/elm)",
      "certainty": "verified",
      "source": "wiki-de"
    },
    {
      "key": "hood-material",
      "value": "Clear acrylic (Plexiglas) hood",
      "certainty": "verified",
      "source": "wiki-de"
    },
    {
      "key": "hood-cutout",
      "value": "Rectangular cutout at the back of the hood for long-playing records overhanging the rear",
      "certainty": "verified",
      "source": "wiki-de"
    },
    {
      "key": "controls",
      "value": "All controls on the top deck, light grey: four small knobs in a column, a row of five push-buttons, one large tuning knob, one long dial scale",
      "certainty": "verified",
      "source": "photo-1"
    },
    {
      "key": "buttons",
      "value": "Five push-buttons labelled ein aus, Phono, LW, MW, UKW",
      "certainty": "verified",
      "source": "photo-1"
    },
    {
      "key": "turntable",
      "value": "Braun PC 3: idler drive, three speeds 33, 45 and 78 rpm, no changer, no counterweight",
      "certainty": "verified",
      "source": "wiki-de"
    },
    {
      "key": "platter-nubs",
      "value": "Three-arm platter support (star) around the spindle",
      "certainty": "verified",
      "source": "photo-3",
      "note": "Wikipedia records that the three-nub support warped records left in the sun and that the SK 4/1 moved to five rubber pads."
    },
    {
      "key": "speaker",
      "value": "Isophon 170 x 250 mm elliptical speaker behind the front slots",
      "certainty": "inferred",
      "source": "hifiblueprint"
    },
    {
      "key": "valves",
      "value": "ECC85, 2x EF89, EABC80, EL84; 3 W output",
      "certainty": "verified",
      "source": "wiki-de"
    },
    {
      "key": "price",
      "value": 295,
      "unit": "DM",
      "certainty": "verified",
      "source": "wiki-de"
    },
    {
      "key": "brand",
      "value": "BRAUN",
      "certainty": "verified",
      "source": "photo-2",
      "note": "Printed on the deck ahead of the dial."
    },
    {
      "key": "grille-slots",
      "value": 15,
      "unit": "slots",
      "certainty": "verified",
      "source": "photo-1",
      "note": "Two blocks of unequal length on the front (and the same on the back), pitch 6.4 mm, slot 2.8 mm high."
    }
  ],
  "assets": [],
  "parts": [
    {
      "id": "foot-fl",
      "label": "Felt pad",
      "role": "detail",
      "stage": 0,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.03,
          0.004,
          0.03
        ]
      },
      "at": [
        -0.27799999999999997,
        0.002,
        0.096
      ],
      "basis": [
        "width"
      ],
      "source": "photo-3",
      "note": "A thin felt pad recessed under each cheek end: the case sits on its wood, not on blocks.",
      "look": {
        "weight": 0.5,
        "alpha": 0.35
      }
    },
    {
      "id": "foot-fr",
      "label": "Felt pad",
      "role": "detail",
      "stage": 0,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.03,
          0.004,
          0.03
        ]
      },
      "at": [
        0.27799999999999997,
        0.002,
        0.096
      ],
      "basis": [
        "width"
      ],
      "source": "photo-3",
      "note": "A thin felt pad recessed under each cheek end: the case sits on its wood, not on blocks.",
      "look": {
        "weight": 0.5,
        "alpha": 0.35
      }
    },
    {
      "id": "foot-rl",
      "label": "Felt pad",
      "role": "detail",
      "stage": 0,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.03,
          0.004,
          0.03
        ]
      },
      "at": [
        -0.27799999999999997,
        0.002,
        -0.096
      ],
      "basis": [
        "width"
      ],
      "source": "photo-3",
      "note": "A thin felt pad recessed under each cheek end: the case sits on its wood, not on blocks.",
      "look": {
        "weight": 0.5,
        "alpha": 0.35
      }
    },
    {
      "id": "foot-rr",
      "label": "Felt pad",
      "role": "detail",
      "stage": 0,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.03,
          0.004,
          0.03
        ]
      },
      "at": [
        0.27799999999999997,
        0.002,
        -0.096
      ],
      "basis": [
        "width"
      ],
      "source": "photo-3",
      "note": "A thin felt pad recessed under each cheek end: the case sits on its wood, not on blocks.",
      "look": {
        "weight": 0.5,
        "alpha": 0.35
      }
    },
    {
      "id": "cheek-left",
      "label": "Left elm side panel",
      "role": "mass",
      "stage": 1,
      "certainty": {
        "size": "verified",
        "shape": "inferred"
      },
      "shape": {
        "type": "extrude",
        "profile": [
          [
            -0.122,
            0.0
          ],
          [
            0.122,
            0.0
          ],
          [
            0.122,
            0.155
          ],
          [
            -0.122,
            0.272
          ]
        ],
        "height": 0.018,
        "axis": "x"
      },
      "at": [
        -0.29,
        0,
        0
      ],
      "basis": [
        "depth",
        "height"
      ],
      "source": "photo-1",
      "note": "Full-depth elm cheek; its top edge rakes from 144 mm at the front to 272 mm at the back and carries the hood.",
      "look": {
        "fill": "dark",
        "alpha": 0.8,
        "weight": 1.1
      }
    },
    {
      "id": "cheek-right",
      "label": "Right elm side panel",
      "role": "mass",
      "stage": 1,
      "certainty": {
        "size": "verified",
        "shape": "inferred"
      },
      "shape": {
        "type": "extrude",
        "profile": [
          [
            -0.122,
            0.0
          ],
          [
            0.122,
            0.0
          ],
          [
            0.122,
            0.155
          ],
          [
            -0.122,
            0.272
          ]
        ],
        "height": 0.018,
        "axis": "x"
      },
      "at": [
        0.27199999999999996,
        0,
        0
      ],
      "basis": [
        "depth",
        "height"
      ],
      "source": "photo-1",
      "note": "Full-depth elm cheek; its top edge rakes from 144 mm at the front to 272 mm at the back and carries the hood.",
      "look": {
        "fill": "dark",
        "alpha": 0.8,
        "weight": 1.1
      }
    },
    {
      "id": "body-front-top",
      "label": "Front panel above the grilles",
      "role": "mass",
      "stage": 1,
      "certainty": {
        "size": "verified",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.5439999999999999,
          0.031,
          0.004
        ]
      },
      "at": [
        0,
        0.1395,
        0.117
      ],
      "basis": [
        "width",
        "front-height"
      ],
      "source": "photo-1",
      "note": "4 mm steel sheet between the elm cheeks; the cheeks stand 3 mm proud of it.",
      "look": {
        "fill": "dark",
        "alpha": 0.85,
        "weight": 1.15
      }
    },
    {
      "id": "body-front-bottom",
      "label": "Front panel below the grilles",
      "role": "mass",
      "stage": 1,
      "certainty": {
        "size": "verified",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.5439999999999999,
          0.022000000000000006,
          0.004
        ]
      },
      "at": [
        0,
        0.024,
        0.117
      ],
      "basis": [
        "width",
        "front-height"
      ],
      "source": "photo-1",
      "look": {
        "fill": "dark",
        "alpha": 0.85,
        "weight": 1.15
      }
    },
    {
      "id": "body-front-left-margin",
      "label": "Front panel, left margin",
      "role": "mass",
      "stage": 1,
      "certainty": {
        "size": "verified",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.05000000000000002,
          0.089,
          0.004
        ]
      },
      "at": [
        -0.247,
        0.0795,
        0.117
      ],
      "basis": [
        "width",
        "front-height"
      ],
      "source": "photo-1",
      "look": {
        "fill": "dark",
        "alpha": 0.85,
        "weight": 0.7
      }
    },
    {
      "id": "body-front-between-margin",
      "label": "Front panel, between the grilles",
      "role": "mass",
      "stage": 1,
      "certainty": {
        "size": "verified",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.123,
          0.089,
          0.004
        ]
      },
      "at": [
        0.0595,
        0.0795,
        0.117
      ],
      "basis": [
        "width",
        "front-height"
      ],
      "source": "photo-1",
      "look": {
        "fill": "dark",
        "alpha": 0.85,
        "weight": 0.7
      }
    },
    {
      "id": "body-front-right-margin",
      "label": "Front panel, right margin",
      "role": "mass",
      "stage": 1,
      "certainty": {
        "size": "verified",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.038000000000000006,
          0.089,
          0.004
        ]
      },
      "at": [
        0.253,
        0.0795,
        0.117
      ],
      "basis": [
        "width",
        "front-height"
      ],
      "source": "photo-1",
      "look": {
        "fill": "dark",
        "alpha": 0.85,
        "weight": 0.7
      }
    },
    {
      "id": "front-rib-speaker-1",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.23,
          0.00413,
          0.004
        ]
      },
      "at": [
        -0.112,
        0.03887,
        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-1",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.12299999999999998,
          0.00413,
          0.004
        ]
      },
      "at": [
        0.1775,
        0.03887,
        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-2",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.23,
          0.00413,
          0.004
        ]
      },
      "at": [
        -0.112,
        0.0448,
        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-2",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.12299999999999998,
          0.00413,
          0.004
        ]
      },
      "at": [
        0.1775,
        0.0448,
        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-3",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.23,
          0.00413,
          0.004
        ]
      },
      "at": [
        -0.112,
        0.05073,
        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-3",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.12299999999999998,
          0.00413,
          0.004
        ]
      },
      "at": [
        0.1775,
        0.05073,
        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-4",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.23,
          0.00413,
          0.004
        ]
      },
      "at": [
        -0.112,
        0.05667,
        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-4",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.12299999999999998,
          0.00413,
          0.004
        ]
      },
      "at": [
        0.1775,
        0.05667,
        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-5",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
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        ]
      },
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      ],
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        "grille-slots"
      ],
      "source": "photo-1",
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        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-5",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
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        ]
      },
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-6",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
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        ]
      },
      "at": [
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        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-6",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
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        ]
      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-7",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
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        ]
      },
      "at": [
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        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-7",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
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        ]
      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-8",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
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        ]
      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-8",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
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        ]
      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-9",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
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        ]
      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-9",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
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        ]
      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-10",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
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        ]
      },
      "at": [
        -0.112,
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-10",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
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        ]
      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-11",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
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        ]
      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-11",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
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        "size": [
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      },
      "at": [
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      ],
      "basis": [
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      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-12",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
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      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
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        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-12",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
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      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-13",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
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      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
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        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-13",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
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      },
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      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
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        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-14",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
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        ]
      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-14",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
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        "size": [
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        ]
      },
      "at": [
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      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-speaker-15",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
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          0.00413,
          0.004
        ]
      },
      "at": [
        -0.112,
        0.12193,
        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "front-rib-vent-15",
      "label": "Steel web between grille slots",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
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          0.00413,
          0.004
        ]
      },
      "at": [
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        0.117
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "photo-1",
      "note": "The front is a punched sheet: 15 slots per block, 2.6 mm high at 6.4 mm pitch, with the metal webs drawn as ribs.",
      "look": {
        "weight": 1.05,
        "alpha": 0.6
      }
    },
    {
      "id": "body-back",
      "label": "White steel back panel",
      "role": "mass",
      "stage": 1,
      "certainty": {
        "size": "verified",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
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          0.142,
          0.004
        ]
      },
      "at": [
        0,
        0.084,
        -0.117
      ],
      "basis": [
        "width",
        "front-height"
      ],
      "look": {
        "fill": "dark",
        "alpha": 0.85,
        "weight": 1.0
      }
    },
    {
      "id": "body-side-left",
      "label": "Left steel side wall",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.004,
          0.142,
          0.23
        ]
      },
      "at": [
        -0.26999999999999996,
        0.084,
        0
      ],
      "basis": [
        "front-height"
      ],
      "look": {
        "weight": 0.6,
        "alpha": 0.45
      }
    },
    {
      "id": "body-side-right",
      "label": "Right steel side wall",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.004,
          0.142,
          0.23
        ]
      },
      "at": [
        0.26999999999999996,
        0.084,
        0
      ],
      "basis": [
        "front-height"
      ],
      "look": {
        "weight": 0.6,
        "alpha": 0.45
      }
    },
    {
      "id": "body-bottom",
      "label": "Steel bottom tray",
      "role": "structure",
      "stage": 1,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.5359999999999999,
          0.004,
          0.23
        ]
      },
      "at": [
        0,
        0.015,
        0
      ],
      "basis": [
        "width"
      ],
      "look": {
        "weight": 0.55,
        "alpha": 0.35
      }
    },
    {
      "id": "deck-plate",
      "label": "White deck plate",
      "role": "mass",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.5359999999999999,
          0.004,
          0.23
        ]
      },
      "at": [
        0,
        0.149,
        0
      ],
      "basis": [
        "width",
        "depth"
      ],
      "note": "The deck sits 4 mm below the body rim; the rim reads as the thin white edge in photo-1.",
      "look": {
        "fill": "dark",
        "alpha": 0.8,
        "weight": 1.0
      }
    },
    {
      "id": "rear-wall-left",
      "label": "Rear wall, left of the record cutout",
      "role": "mass",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.208,
          0.11700000000000002,
          0.004
        ]
      },
      "at": [
        -0.164,
        0.21350000000000002,
        -0.117
      ],
      "basis": [
        "height",
        "hood-cutout"
      ],
      "note": "No photograph shows the back. A cabinet 'closed on all sides' (1956 brochure) needs a wall up to the hood's back edge, and the record cutout belongs in it.",
      "look": {
        "fill": "dark",
        "alpha": 0.8,
        "weight": 0.95
      }
    },
    {
      "id": "rear-wall-right",
      "label": "Rear wall, right of the record cutout",
      "role": "mass",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.208,
          0.11700000000000002,
          0.004
        ]
      },
      "at": [
        0.164,
        0.21350000000000002,
        -0.117
      ],
      "basis": [
        "height",
        "hood-cutout"
      ],
      "look": {
        "fill": "dark",
        "alpha": 0.8,
        "weight": 0.95
      }
    },
    {
      "id": "rear-wall-cutout-sill",
      "label": "Sill under the record cutout",
      "role": "structure",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.12,
          0.01,
          0.004
        ]
      },
      "at": [
        0,
        0.156,
        -0.117
      ],
      "basis": [
        "hood-cutout"
      ],
      "look": {
        "weight": 0.5,
        "alpha": 0.4
      }
    },
    {
      "id": "rear-wall-above-cutout",
      "label": "Rear wall above the record cutout",
      "role": "mass",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.12,
          0.08500000000000002,
          0.004
        ]
      },
      "at": [
        0,
        0.2295,
        -0.117
      ],
      "basis": [
        "height",
        "hood-cutout"
      ],
      "look": {
        "fill": "dark",
        "alpha": 0.8,
        "weight": 0.95
      }
    },
    {
      "id": "turntable-chassis",
      "label": "Grey turntable chassis plate",
      "role": "mass",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "extrude",
        "profile": [
          [
            0.16,
            0.0935
          ],
          [
            0.15973,
            0.09623
          ],
          [
            0.15893,
            0.09886
          ],
          [
            0.15764,
            0.10128
          ],
          [
            0.1559,
            0.1034
          ],
          [
            0.15378,
            0.10514
          ],
          [
            0.15136,
            0.10643
          ],
          [
            0.14873,
            0.10723
          ],
          [
            0.146,
            0.1075
          ],
          [
            -0.146,
            0.1075
          ],
          [
            -0.14873,
            0.10723
          ],
          [
            -0.15136,
            0.10643
          ],
          [
            -0.15378,
            0.10514
          ],
          [
            -0.1559,
            0.1034
          ],
          [
            -0.15764,
            0.10128
          ],
          [
            -0.15893,
            0.09886
          ],
          [
            -0.15973,
            0.09623
          ],
          [
            -0.16,
            0.0935
          ],
          [
            -0.16,
            -0.0935
          ],
          [
            -0.15973,
            -0.09623
          ],
          [
            -0.15893,
            -0.09886
          ],
          [
            -0.15764,
            -0.10128
          ],
          [
            -0.1559,
            -0.1034
          ],
          [
            -0.15378,
            -0.10514
          ],
          [
            -0.15136,
            -0.10643
          ],
          [
            -0.14873,
            -0.10723
          ],
          [
            -0.146,
            -0.1075
          ],
          [
            0.146,
            -0.1075
          ],
          [
            0.14873,
            -0.10723
          ],
          [
            0.15136,
            -0.10643
          ],
          [
            0.15378,
            -0.10514
          ],
          [
            0.1559,
            -0.1034
          ],
          [
            0.15764,
            -0.10128
          ],
          [
            0.15893,
            -0.09886
          ],
          [
            0.15973,
            -0.09623
          ],
          [
            0.16,
            -0.0935
          ]
        ],
        "height": 0.005,
        "axis": "y"
      },
      "at": [
        -0.075,
        0.151,
        0.005
      ],
      "basis": [
        "depth"
      ],
      "source": "photo-3",
      "note": "Light-grey cast plate with rounded corners, inset in the white deck; proportions read from photo-3.",
      "look": {
        "fill": "dark",
        "alpha": 0.8,
        "weight": 1.1
      }
    },
    {
      "id": "platter",
      "label": "Turntable platter",
      "role": "identity",
      "stage": 3,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.1025,
        "height": 0.011,
        "segments": 64
      },
      "at": [
        -0.095,
        0.156,
        0.005
      ],
      "basis": [
        "turntable"
      ],
      "source": "photo-2",
      "note": "205 mm white platter in a shallow well; a 10-inch record lies some 25 mm proud of it all round in photo-1.",
      "look": {
        "fill": "dark",
        "alpha": 0.18,
        "weight": 1.45,
        "glow": 0.4
      },
      "motion": {
        "type": "spin",
        "axis": [
          0,
          1,
          0
        ],
        "rpm": 33.33,
        "pivot": [
          -0.095,
          0.16699999999999998,
          0.005
        ]
      }
    },
    {
      "id": "platter-rim",
      "label": "Platter rim ring",
      "role": "detail",
      "stage": 3,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "torus",
        "major": 0.1012,
        "minor": 0.0016,
        "segments": 96,
        "sides": 4
      },
      "at": [
        -0.095,
        0.16849999999999998,
        0.005
      ],
      "basis": [
        "turntable"
      ],
      "look": {
        "weight": 0.6,
        "alpha": 0.5
      },
      "motion": {
        "type": "spin",
        "axis": [
          0,
          1,
          0
        ],
        "rpm": 33.33,
        "pivot": [
          -0.095,
          0.16699999999999998,
          0.005
        ]
      }
    },
    {
      "id": "well-groove",
      "label": "Platter well groove",
      "role": "detail",
      "stage": 3,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "torus",
        "major": 0.1085,
        "minor": 0.0026,
        "segments": 56,
        "sides": 8
      },
      "at": [
        -0.095,
        0.1576,
        0.005
      ],
      "basis": [
        "turntable"
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.35
      }
    },
    {
      "id": "platter-notch",
      "label": "Platter lifting mark",
      "role": "detail",
      "stage": 3,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.016,
          0.002,
          0.0045
        ]
      },
      "at": [
        -0.007000000000000006,
        0.1678,
        0.005
      ],
      "basis": [
        "platter-nubs"
      ],
      "source": "photo-2",
      "note": "Six dark marks at 60 degrees, as counted in photo-2.",
      "look": {
        "weight": 0.9,
        "alpha": 0.8,
        "fill": "dark"
      },
      "repeat": {
        "count": 6,
        "radial": {
          "axis": "y",
          "center": [
            -0.095,
            0.1678,
            0.005
          ],
          "span": 360
        }
      },
      "motion": {
        "type": "spin",
        "axis": [
          0,
          1,
          0
        ],
        "rpm": 33.33,
        "pivot": [
          -0.095,
          0.16699999999999998,
          0.005
        ]
      }
    },
    {
      "id": "spider-hub",
      "label": "Platter support hub",
      "role": "identity",
      "stage": 3,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.013,
        "height": 0.008,
        "segments": 24
      },
      "at": [
        -0.095,
        0.16699999999999998,
        0.005
      ],
      "basis": [
        "platter-nubs"
      ],
      "source": "photo-3",
      "look": {
        "weight": 1.1,
        "glow": 0.3
      },
      "motion": {
        "type": "spin",
        "axis": [
          0,
          1,
          0
        ],
        "rpm": 33.33,
        "pivot": [
          -0.095,
          0.16699999999999998,
          0.005
        ]
      }
    },
    {
      "id": "spider-arm",
      "label": "Platter support arm",
      "role": "identity",
      "stage": 3,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "tube",
        "path": [
          [
            -0.084,
            0.1706,
            0.005
          ],
          [
            -0.078,
            0.1703,
            0.005
          ],
          [
            -0.07200000000000001,
            0.16999999999999998,
            0.005
          ]
        ],
        "radius": [
          0.0036,
          0.0028,
          0.0018
        ],
        "sides": 6,
        "ring_every": 0,
        "longitudinal": 2,
        "caps": true
      },
      "at": [
        0,
        0,
        0
      ],
      "basis": [
        "platter-nubs"
      ],
      "source": "photo-3",
      "note": "The characteristic three-armed star that carries the record above the platter.",
      "look": {
        "weight": 1.2,
        "glow": 0.35
      },
      "repeat": {
        "count": 3,
        "radial": {
          "axis": "y",
          "center": [
            -0.095,
            0.17099999999999999,
            0.005
          ],
          "span": 360
        }
      },
      "motion": {
        "type": "spin",
        "axis": [
          0,
          1,
          0
        ],
        "rpm": 33.33,
        "pivot": [
          -0.095,
          0.16699999999999998,
          0.005
        ]
      }
    },
    {
      "id": "spindle",
      "label": "Spindle",
      "role": "identity",
      "stage": 3,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.0026,
        "height": 0.016,
        "segments": 16
      },
      "at": [
        -0.095,
        0.175,
        0.005
      ],
      "basis": [
        "turntable"
      ],
      "source": "photo-3",
      "look": {
        "weight": 1.2,
        "glow": 0.45
      },
      "motion": {
        "type": "spin",
        "axis": [
          0,
          1,
          0
        ],
        "rpm": 33.33,
        "pivot": [
          -0.095,
          0.16699999999999998,
          0.005
        ]
      }
    },
    {
      "id": "tonearm-pivot-boss",
      "label": "Tonearm bearing collar",
      "role": "structure",
      "stage": 4,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.0095,
        "height": 0.02,
        "segments": 24,
        "rings": 2
      },
      "at": [
        0.04,
        0.156,
        -0.086
      ],
      "basis": [
        "turntable"
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.8
      }
    },
    {
      "id": "tonearm",
      "label": "Tonearm",
      "role": "identity",
      "stage": 4,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "tube",
        "path": [
          [
            0.04,
            0.182,
            -0.086
          ],
          [
            0.05,
            0.17,
            -0.058
          ],
          [
            0.053,
            0.17,
            -0.02
          ],
          [
            0.05,
            0.169,
            0.018
          ],
          [
            0.038,
            0.167,
            0.052
          ],
          [
            0.026,
            0.165,
            0.074
          ]
        ],
        "radius": [
          0.0032,
          0.003,
          0.0028,
          0.0026,
          0.0024,
          0.0022
        ],
        "sides": 8,
        "samples": 14,
        "ring_every": 0,
        "longitudinal": 2,
        "caps": true
      },
      "at": [
        0,
        0,
        0
      ],
      "basis": [
        "turntable"
      ],
      "source": "photo-2",
      "note": "Ivory tapered arm with no counterweight, sweeping from a rear bearing to a headshell at the front right of the platter.",
      "look": {
        "weight": 1.4,
        "glow": 0.4
      }
    },
    {
      "id": "tonearm-headshell",
      "label": "Headshell shoe",
      "role": "identity",
      "stage": 4,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "extrude",
        "axis": "z",
        "height": 0.026,
        "profile": [
          [
            -0.01,
            0.0
          ],
          [
            0.01,
            0.0
          ],
          [
            0.01,
            0.005
          ],
          [
            0.005,
            0.0095
          ],
          [
            -0.005,
            0.0095
          ],
          [
            -0.01,
            0.005
          ]
        ]
      },
      "at": [
        0.028,
        0.161,
        0.068
      ],
      "basis": [
        "turntable"
      ],
      "source": "photo-2",
      "look": {
        "weight": 1.1,
        "glow": 0.3
      }
    },
    {
      "id": "tonearm-stylus",
      "label": "Stylus",
      "role": "detail",
      "stage": 4,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.0012,
        "height": 0.004,
        "segments": 10
      },
      "at": [
        0.028,
        0.157,
        0.09
      ],
      "look": {
        "weight": 0.5,
        "alpha": 0.7
      }
    },
    {
      "id": "tonearm-grip",
      "label": "Arm lift finger",
      "role": "detail",
      "stage": 4,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.0045,
          0.0045,
          0.014
        ]
      },
      "at": [
        0.03,
        0.1727,
        0.086
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.6,
        "alpha": 0.6
      }
    },
    {
      "id": "arm-rest-post",
      "label": "Tonearm rest post",
      "role": "structure",
      "stage": 4,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.0042,
        "height": 0.0145,
        "segments": 16
      },
      "at": [
        0.056,
        0.156,
        0.006
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.7
      }
    },
    {
      "id": "arm-rest-cup",
      "label": "Tonearm rest cup",
      "role": "identity",
      "stage": 4,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.011,
        "height": 0.0079,
        "segments": 20,
        "rings": 2
      },
      "at": [
        0.056,
        0.17049999999999998,
        0.006
      ],
      "basis": [
        "turntable"
      ],
      "source": "photo-2",
      "note": "The chunky white scoop the arm lies in, standing beside the headshell.",
      "look": {
        "weight": 1.2,
        "glow": 0.3
      }
    },
    {
      "id": "knob-1-skirt",
      "label": "Small knob 1 skirt",
      "role": "structure",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.0122,
        "height": 0.0025,
        "segments": 24
      },
      "at": [
        0.112,
        0.151,
        -0.072
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.7,
        "alpha": 0.8
      }
    },
    {
      "id": "knob-1",
      "label": "Small control knob 1",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cone",
        "radius_bottom": 0.0112,
        "radius_top": 0.0094,
        "height": 0.017,
        "segments": 24,
        "rings": 2
      },
      "at": [
        0.112,
        0.1535,
        -0.072
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "note": "Four light-grey knobs in a column: volume and the tone controls. Sizes read from photo-2 against the 205 mm platter.",
      "look": {
        "weight": 1.3,
        "glow": 0.35
      }
    },
    {
      "id": "knob-1-pointer",
      "label": "Knob 1 indicator line",
      "role": "detail",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.0024,
          0.0018,
          0.0118
        ]
      },
      "at": [
        0.112,
        0.1714,
        -0.074
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.5,
        "alpha": 0.75
      }
    },
    {
      "id": "knob-2-skirt",
      "label": "Small knob 2 skirt",
      "role": "structure",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.0122,
        "height": 0.0025,
        "segments": 24
      },
      "at": [
        0.112,
        0.151,
        -0.042
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.7,
        "alpha": 0.8
      }
    },
    {
      "id": "knob-2",
      "label": "Small control knob 2",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cone",
        "radius_bottom": 0.0104,
        "radius_top": 0.0087,
        "height": 0.0165,
        "segments": 24,
        "rings": 2
      },
      "at": [
        0.112,
        0.1535,
        -0.042
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "note": "Four light-grey knobs in a column: volume and the tone controls. Sizes read from photo-2 against the 205 mm platter.",
      "look": {
        "weight": 1.3,
        "glow": 0.35
      }
    },
    {
      "id": "knob-2-pointer",
      "label": "Knob 2 indicator line",
      "role": "detail",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.0024,
          0.0018,
          0.0118
        ]
      },
      "at": [
        0.112,
        0.1709,
        -0.044000000000000004
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.5,
        "alpha": 0.75
      }
    },
    {
      "id": "knob-3-skirt",
      "label": "Small knob 3 skirt",
      "role": "structure",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.0122,
        "height": 0.0025,
        "segments": 24
      },
      "at": [
        0.112,
        0.151,
        -0.012
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.7,
        "alpha": 0.8
      }
    },
    {
      "id": "knob-3",
      "label": "Small control knob 3",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cone",
        "radius_bottom": 0.0096,
        "radius_top": 0.008,
        "height": 0.016,
        "segments": 24,
        "rings": 2
      },
      "at": [
        0.112,
        0.1535,
        -0.012
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "note": "Four light-grey knobs in a column: volume and the tone controls. Sizes read from photo-2 against the 205 mm platter.",
      "look": {
        "weight": 1.3,
        "glow": 0.35
      }
    },
    {
      "id": "knob-3-pointer",
      "label": "Knob 3 indicator line",
      "role": "detail",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.0024,
          0.0018,
          0.0118
        ]
      },
      "at": [
        0.112,
        0.1704,
        -0.014
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.5,
        "alpha": 0.75
      }
    },
    {
      "id": "knob-4-skirt",
      "label": "Small knob 4 skirt",
      "role": "structure",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.0122,
        "height": 0.0025,
        "segments": 24
      },
      "at": [
        0.112,
        0.151,
        0.018
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.7,
        "alpha": 0.8
      }
    },
    {
      "id": "knob-4",
      "label": "Small control knob 4",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cone",
        "radius_bottom": 0.0088,
        "radius_top": 0.0073,
        "height": 0.0155,
        "segments": 24,
        "rings": 2
      },
      "at": [
        0.112,
        0.1535,
        0.018
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "note": "Four light-grey knobs in a column: volume and the tone controls. Sizes read from photo-2 against the 205 mm platter.",
      "look": {
        "weight": 1.3,
        "glow": 0.35
      }
    },
    {
      "id": "knob-4-pointer",
      "label": "Knob 4 indicator line",
      "role": "detail",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.0024,
          0.0018,
          0.0118
        ]
      },
      "at": [
        0.112,
        0.1699,
        0.016
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.5,
        "alpha": 0.75
      }
    },
    {
      "id": "button-well",
      "label": "Push-button well",
      "role": "structure",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.1,
          0.004,
          0.016
        ]
      },
      "at": [
        0.147,
        0.153,
        0.092
      ],
      "source": "photo-1",
      "look": {
        "fill": "dark",
        "weight": 0.5,
        "alpha": 0.5
      }
    },
    {
      "id": "button-1",
      "label": "Push-button ein aus",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.0175,
          0.013,
          0.012
        ]
      },
      "at": [
        0.108,
        0.1615,
        0.092
      ],
      "basis": [
        "buttons"
      ],
      "source": "photo-1",
      "look": {
        "weight": 1.15,
        "glow": 0.3
      }
    },
    {
      "id": "button-2",
      "label": "Push-button Phono",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.0175,
          0.013,
          0.012
        ]
      },
      "at": [
        0.1275,
        0.1615,
        0.092
      ],
      "basis": [
        "buttons"
      ],
      "source": "photo-1",
      "look": {
        "weight": 1.15,
        "glow": 0.3
      }
    },
    {
      "id": "button-3",
      "label": "Push-button LW",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.0175,
          0.013,
          0.012
        ]
      },
      "at": [
        0.147,
        0.1615,
        0.092
      ],
      "basis": [
        "buttons"
      ],
      "source": "photo-1",
      "look": {
        "weight": 1.15,
        "glow": 0.3
      }
    },
    {
      "id": "button-4",
      "label": "Push-button MW",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.0175,
          0.013,
          0.012
        ]
      },
      "at": [
        0.16649999999999998,
        0.1615,
        0.092
      ],
      "basis": [
        "buttons"
      ],
      "source": "photo-1",
      "look": {
        "weight": 1.15,
        "glow": 0.3
      }
    },
    {
      "id": "button-5",
      "label": "Push-button UKW",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.0175,
          0.013,
          0.012
        ]
      },
      "at": [
        0.186,
        0.1615,
        0.092
      ],
      "basis": [
        "buttons"
      ],
      "source": "photo-1",
      "look": {
        "weight": 1.15,
        "glow": 0.3
      }
    },
    {
      "id": "tuning-knob",
      "label": "Large tuning knob (Sender)",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cone",
        "radius_bottom": 0.0175,
        "radius_top": 0.015,
        "height": 0.022,
        "segments": 32,
        "rings": 2
      },
      "at": [
        0.24,
        0.151,
        0.082
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-1",
      "note": "26-33 mm across and about twice a small knob's height: the one large control, and the one this owner is missing.",
      "look": {
        "weight": 1.5,
        "glow": 0.5
      }
    },
    {
      "id": "tuning-knob-pointer",
      "label": "Tuning knob indicator line",
      "role": "detail",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.0024,
          0.0011,
          0.0135
        ]
      },
      "at": [
        0.24,
        0.1735,
        0.0785
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.55,
        "alpha": 0.8
      }
    },
    {
      "id": "dial-card",
      "label": "Dial scale card",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.036,
          0.0018,
          0.11
        ]
      },
      "at": [
        0.206,
        0.1519,
        -0.012
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "note": "Printed paper scale (Otl Aicher's typography) glued to the chassis: a narrow window running front to back beside the right cheek.",
      "look": {
        "fill": "dark",
        "weight": 0.9,
        "glow": 0.2
      }
    },
    {
      "id": "dial-bezel-left",
      "label": "Dial bezel, left",
      "role": "structure",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.004,
          0.005,
          0.118
        ]
      },
      "at": [
        0.186,
        0.1535,
        -0.012
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.8
      }
    },
    {
      "id": "dial-bezel-right",
      "label": "Dial bezel, right",
      "role": "structure",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.004,
          0.005,
          0.118
        ]
      },
      "at": [
        0.22599999999999998,
        0.1535,
        -0.012
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.8
      }
    },
    {
      "id": "dial-bezel-front",
      "label": "Dial bezel, front",
      "role": "structure",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.044,
          0.005,
          0.004
        ]
      },
      "at": [
        0.206,
        0.1535,
        -0.069
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.8
      }
    },
    {
      "id": "dial-bezel-back",
      "label": "Dial bezel, back",
      "role": "structure",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.044,
          0.005,
          0.004
        ]
      },
      "at": [
        0.206,
        0.1535,
        0.045
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.8
      }
    },
    {
      "id": "dial-tick",
      "label": "Dial scale graduation",
      "role": "detail",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.014499999999999999,
            0.15309999999999999,
            0
          ],
          [
            0.014499999999999999,
            0.15309999999999999,
            0
          ]
        ]
      },
      "at": [
        0.206,
        0,
        -0.062000000000000006
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "note": "Fourteen graduation lines across the scale card, as printed on the paper scale.",
      "look": {
        "weight": 0.9,
        "alpha": 0.85,
        "line": "solid"
      },
      "repeat": {
        "count": 14,
        "step": {
          "at": [
            0,
            0,
            0.0074
          ]
        }
      }
    },
    {
      "id": "dial-hub",
      "label": "Dial cursor hub",
      "role": "data",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "cylinder",
        "radius": 0.0045,
        "height": 0.006,
        "segments": 16
      },
      "at": [
        0.206,
        0.1528,
        0.036
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "note": "The knurled cursor knob at the front end of the scale.",
      "look": {
        "weight": 1.1,
        "glow": 0.5
      }
    },
    {
      "id": "dial-pointer",
      "label": "Dial pointer",
      "role": "data",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.016,
            0.1534,
            0
          ],
          [
            0.016,
            0.1534,
            0
          ]
        ]
      },
      "at": [
        0.206,
        0,
        -0.05
      ],
      "basis": [
        "controls"
      ],
      "source": "photo-2",
      "note": "The slide cursor across the scale.",
      "look": {
        "weight": 1.6,
        "glow": 0.75,
        "line": "solid"
      }
    },
    {
      "id": "brand-field",
      "label": "Maker's wordmark field",
      "role": "identity",
      "stage": 5,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.044,
          0.0018,
          0.01
        ]
      },
      "at": [
        0.112,
        0.1519,
        -0.1
      ],
      "basis": [
        "brand"
      ],
      "source": "photo-2",
      "look": {
        "weight": 0.7,
        "glow": 0.2
      }
    },
    {
      "id": "grille-slot-back-speaker",
      "label": "Vent slots, back (long block)",
      "role": "detail",
      "stage": 6,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.215,
            0.045,
            -0.1193
          ],
          [
            -0.005,
            0.045,
            -0.1193
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "wiki-de",
      "note": "The back carries the same punched pattern as the front, for the speaker and for cooling.",
      "look": {
        "weight": 0.75,
        "alpha": 0.55,
        "line": "solid"
      },
      "repeat": {
        "count": 15,
        "step": {
          "at": [
            0,
            0.0064,
            0
          ]
        }
      }
    },
    {
      "id": "grille-slot-back-vent",
      "label": "Vent slots, back (short block)",
      "role": "detail",
      "stage": 6,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            0.118,
            0.045,
            -0.1193
          ],
          [
            0.218,
            0.045,
            -0.1193
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "wiki-de",
      "note": "Mirrors the front's short block.",
      "look": {
        "weight": 0.75,
        "alpha": 0.55,
        "line": "solid"
      },
      "repeat": {
        "count": 15,
        "step": {
          "at": [
            0,
            0.0064,
            0
          ]
        }
      }
    },
    {
      "id": "rear-vent",
      "label": "Rear vent slot",
      "role": "detail",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.09,
            0,
            -0.1222
          ],
          [
            0.01,
            0,
            -0.1222
          ]
        ]
      },
      "at": [
        0,
        0.17,
        0
      ],
      "basis": [
        "grille-slots"
      ],
      "source": "wiki-de",
      "note": "The same punched vent pattern on the back, above the record cutout (Wikipedia: slots on front and rear).",
      "look": {
        "weight": 1.2,
        "alpha": 0.9,
        "line": "solid"
      },
      "repeat": {
        "count": 15,
        "step": {
          "at": [
            0,
            0.0055,
            0
          ]
        }
      }
    },
    {
      "id": "type-plate",
      "label": "Type plate",
      "role": "identity",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.058,
          0.024,
          0.0012
        ]
      },
      "at": [
        0.185,
        0.196,
        -0.1228
      ],
      "basis": [
        "model"
      ],
      "source": "photo-2",
      "note": "Maker's type plate on the back, as every Braun carried.",
      "look": {
        "fill": "dark",
        "weight": 0.7,
        "glow": 0.2
      }
    },
    {
      "id": "mains-inlet",
      "label": "Mains inlet",
      "role": "structure",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.036,
          0.024,
          0.003
        ]
      },
      "at": [
        0.185,
        0.166,
        -0.1225
      ],
      "basis": [
        "model"
      ],
      "look": {
        "fill": "dark",
        "weight": 0.7
      }
    },
    {
      "id": "lid-glass-hood",
      "label": "Clear acrylic hood",
      "role": "identity",
      "stage": 7,
      "certainty": {
        "size": "verified",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.548,
          0.004,
          0.2706011825546962
        ]
      },
      "at": [
        0,
        0.21530339197113954,
        0.0008647412320628052
      ],
      "rotate": [
        25.618,
        0,
        0
      ],
      "basis": [
        "width",
        "hood-rake"
      ],
      "source": "photo-2",
      "note": "One raked sheet of acrylic between the cheeks and over the deck: 548 x 281 mm, 4 mm thick, resting on the cheeks' raked tops.",
      "look": {
        "fill": "glass",
        "weight": 1.5,
        "alpha": 0.32,
        "glow": 0.45
      }
    },
    {
      "id": "lid-rail-left",
      "label": "Left hood rail (elm)",
      "role": "identity",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.02,
          0.02,
          0.26460118255469617
        ]
      },
      "at": [
        -0.263,
        0.22071356788455812,
        0.003458964928251221
      ],
      "rotate": [
        25.618,
        0,
        0
      ],
      "basis": [
        "hood-rake"
      ],
      "source": "photo-1",
      "note": "Thin elm rail on the hood's side edge, clamped to the acrylic and riding on the cheek.",
      "look": {
        "fill": "dark",
        "alpha": 0.6,
        "weight": 1.3,
        "glow": 0.2
      }
    },
    {
      "id": "lid-rail-right",
      "label": "Right hood rail (elm)",
      "role": "identity",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.02,
          0.02,
          0.26460118255469617
        ]
      },
      "at": [
        0.263,
        0.22071356788455812,
        0.003458964928251221
      ],
      "rotate": [
        25.618,
        0,
        0
      ],
      "basis": [
        "hood-rake"
      ],
      "source": "photo-1",
      "note": "Thin elm rail on the hood's side edge, clamped to the acrylic and riding on the cheek.",
      "look": {
        "fill": "dark",
        "alpha": 0.6,
        "weight": 1.3,
        "glow": 0.2
      }
    },
    {
      "id": "lid-front-lip",
      "label": "Hood front lip",
      "role": "identity",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.548,
          0.008,
          0.004
        ]
      },
      "at": [
        0,
        0.151,
        0.1215
      ],
      "basis": [
        "hood-rake"
      ],
      "source": "photo-1",
      "note": "The hood's front edge is bent down 16 mm over the fascia, which is what makes it read as a lid rather than a pane.",
      "look": {
        "weight": 1.2,
        "glow": 0.35
      }
    },
    {
      "id": "hinge-bracket-left",
      "label": "Hood hinge bracket, left",
      "role": "structure",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.032,
          0.02,
          0.01
        ]
      },
      "at": [
        -0.2,
        0.262,
        -0.1125
      ],
      "basis": [
        "hood-rake"
      ],
      "source": "photo-2",
      "note": "Two small steel brackets carry the hood at the cheeks' back edge.",
      "look": {
        "weight": 1.0,
        "glow": 0.3
      }
    },
    {
      "id": "hinge-bracket-right",
      "label": "Hood hinge bracket, right",
      "role": "structure",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "box",
        "size": [
          0.032,
          0.02,
          0.01
        ]
      },
      "at": [
        0.2,
        0.262,
        -0.1125
      ],
      "basis": [
        "hood-rake"
      ],
      "source": "photo-2",
      "note": "Two small steel brackets carry the hood at the cheeks' back edge.",
      "look": {
        "weight": 1.0,
        "glow": 0.3
      }
    },
    {
      "id": "seam-front-top",
      "label": "Front panel top edge",
      "role": "identity",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.272,
            0.155,
            0.1192
          ],
          [
            0.272,
            0.155,
            0.1192
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "source": "photo-1",
      "look": {
        "weight": 1.4,
        "alpha": 1.0,
        "glow": 0.35,
        "line": "solid"
      }
    },
    {
      "id": "seam-front-bottom",
      "label": "Front panel bottom edge",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.272,
            0.013999999999999999,
            0.1192
          ],
          [
            0.272,
            0.013999999999999999,
            0.1192
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "source": "photo-1",
      "look": {
        "weight": 0.9,
        "alpha": 0.65,
        "glow": 0.0,
        "line": "solid"
      }
    },
    {
      "id": "seam-front-left",
      "label": "Front panel, left return",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2685,
            0.013,
            0.1192
          ],
          [
            -0.2685,
            0.155,
            0.1192
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "source": "photo-1",
      "look": {
        "weight": 0.6,
        "alpha": 0.6,
        "glow": 0.0,
        "line": "solid"
      }
    },
    {
      "id": "seam-front-right",
      "label": "Front panel, right return",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2685,
            0.013,
            0.1192
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          [
            0.2685,
            0.155,
            0.1192
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "source": "photo-1",
      "look": {
        "weight": 0.6,
        "alpha": 0.6,
        "glow": 0.0,
        "line": "solid"
      }
    },
    {
      "id": "seam-back-top",
      "label": "Back panel top edge",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.272,
            0.155,
            -0.1192
          ],
          [
            0.272,
            0.155,
            -0.1192
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "source": "photo-1",
      "look": {
        "weight": 0.9,
        "alpha": 0.65,
        "glow": 0.0,
        "line": "solid"
      }
    },
    {
      "id": "seam-deck-front",
      "label": "Deck front seam",
      "role": "detail",
      "stage": 3,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.268,
            0.1512,
            0.1148
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          [
            0.268,
            0.1512,
            0.1148
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "source": "photo-1",
      "look": {
        "weight": 0.7,
        "alpha": 0.7,
        "glow": 0.0,
        "line": "solid"
      }
    },
    {
      "id": "seam-chassis-edge",
      "label": "Turntable chassis edge",
      "role": "detail",
      "stage": 4,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.235,
            0.156,
            0.005
          ],
          [
            -0.235,
            0.156,
            0.1
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        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "source": "photo-3",
      "look": {
        "weight": 0.7,
        "alpha": 0.6,
        "glow": 0.0,
        "line": "solid"
      }
    },
    {
      "id": "contour-cheek-left",
      "label": "Cheek inset contour, left",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.29019999999999996,
            0.012,
            0.112
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          [
            -0.29019999999999996,
            0.012,
            -0.112
          ],
          [
            -0.29019999999999996,
            0.27799999999999997,
            -0.112
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        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "source": "photo-3",
      "look": {
        "weight": 0.45,
        "alpha": 0.3,
        "glow": 0.0,
        "line": "solid"
      }
    },
    {
      "id": "contour-cheek-right",
      "label": "Cheek inset contour, right",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            0.29019999999999996,
            0.012,
            0.112
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          [
            0.29019999999999996,
            0.012,
            -0.112
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          [
            0.29019999999999996,
            0.27799999999999997,
            -0.112
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        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "source": "photo-3",
      "look": {
        "weight": 0.45,
        "alpha": 0.3,
        "glow": 0.0,
        "line": "solid"
      }
    },
    {
      "id": "cheek-arris-left",
      "label": "Elm arris, left cheek",
      "role": "identity",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.29,
            0.286,
            -0.122
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          [
            -0.29,
            0.151,
            0.122
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "source": "photo-3",
      "note": "A 4 mm rounded arris along the raked top edge, drawn as a second line under the cheek's own edge.",
      "look": {
        "weight": 1.1,
        "alpha": 0.8,
        "line": "solid"
      }
    },
    {
      "id": "cheek-arris-right",
      "label": "Elm arris, right cheek",
      "role": "identity",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "shape": {
        "type": "curve",
        "points": [
          [
            0.29,
            0.286,
            -0.122
          ],
          [
            0.29,
            0.151,
            0.122
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "source": "photo-3",
      "note": "A 4 mm rounded arris along the raked top edge, drawn as a second line under the cheek's own edge.",
      "look": {
        "weight": 1.1,
        "alpha": 0.8,
        "line": "solid"
      }
    },
    {
      "id": "platter-mat-seam",
      "label": "Platter mat seam",
      "role": "detail",
      "stage": 3,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "turntable"
      ],
      "source": "photo-2",
      "note": "The rubber mat's edge, 94 mm out: the SK 4 carried rubber pads on the platter.",
      "shape": {
        "type": "torus",
        "major": 0.094,
        "minor": 0.0012,
        "segments": 56,
        "sides": 6
      },
      "at": [
        -0.095,
        0.1688,
        0.005
      ],
      "look": {
        "weight": 0.55,
        "alpha": 0.45
      },
      "motion": {
        "type": "spin",
        "axis": [
          0,
          1,
          0
        ],
        "rpm": 33.33,
        "pivot": [
          -0.095,
          0.16699999999999998,
          0.005
        ]
      }
    },
    {
      "id": "platter-label-ring",
      "label": "Platter label ring",
      "role": "detail",
      "stage": 3,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "turntable"
      ],
      "source": "photo-2",
      "note": "The centre label disc's edge, 44 mm out.",
      "shape": {
        "type": "torus",
        "major": 0.044,
        "minor": 0.0012,
        "segments": 56,
        "sides": 6
      },
      "at": [
        -0.095,
        0.1688,
        0.005
      ],
      "look": {
        "weight": 0.55,
        "alpha": 0.45
      },
      "motion": {
        "type": "spin",
        "axis": [
          0,
          1,
          0
        ],
        "rpm": 33.33,
        "pivot": [
          -0.095,
          0.16699999999999998,
          0.005
        ]
      }
    },
    {
      "id": "cheek-contour-left-1",
      "label": "Elm surface contour, left cheek 1",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.0555,
            0.122
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          [
            -0.2902,
            0.1888,
            -0.122
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        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.3,
        "line": "solid"
      }
    },
    {
      "id": "cheek-contour-left-2",
      "label": "Elm surface contour, left cheek 2",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.091,
            0.122
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          [
            -0.2902,
            0.2225,
            -0.122
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        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.3,
        "line": "solid"
      }
    },
    {
      "id": "cheek-contour-left-3",
      "label": "Elm surface contour, left cheek 3",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.1265,
            0.122
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          [
            -0.2902,
            0.2562,
            -0.122
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        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.3,
        "line": "solid"
      }
    },
    {
      "id": "cheek-contour-right-1",
      "label": "Elm surface contour, right cheek 1",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2902,
            0.0555,
            0.122
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          [
            0.2902,
            0.1888,
            -0.122
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        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.3,
        "line": "solid"
      }
    },
    {
      "id": "cheek-contour-right-2",
      "label": "Elm surface contour, right cheek 2",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
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            0.091,
            0.122
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          [
            0.2902,
            0.2225,
            -0.122
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        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.3,
        "line": "solid"
      }
    },
    {
      "id": "cheek-contour-right-3",
      "label": "Elm surface contour, right cheek 3",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2902,
            0.1265,
            0.122
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          [
            0.2902,
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            -0.122
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        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.3,
        "line": "solid"
      }
    },
    {
      "id": "tonearm-finger-lift",
      "label": "Finger lift",
      "role": "detail",
      "stage": 4,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "turntable"
      ],
      "source": "photo-2",
      "note": "The small tab beside the headshell a hand lifts the arm by.",
      "shape": {
        "type": "box",
        "size": [
          0.0035,
          0.0035,
          0.014
        ]
      },
      "at": [
        0.0405,
        0.1655,
        0.0785
      ],
      "look": {
        "weight": 0.8,
        "alpha": 0.85
      }
    },
    {
      "id": "rear-vent-short",
      "label": "Rear vent slots, short block",
      "role": "detail",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "grille-slots"
      ],
      "source": "wiki-de",
      "note": "The shorter of the two punched fields, mirrored from the front as the SK 4 has them on both faces.",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.13,
            0,
            -0.1221
          ],
          [
            0.236,
            0,
            -0.1221
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        ]
      },
      "at": [
        0,
        0.17,
        0
      ],
      "repeat": {
        "count": 15,
        "step": {
          "at": [
            0,
            0.0055,
            0
          ]
        }
      },
      "look": {
        "weight": 1.2,
        "alpha": 0.9,
        "line": "solid"
      }
    },
    {
      "id": "chassis-floor",
      "label": "Receiver chassis floor",
      "role": "structure",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "width"
      ],
      "source": "wiki-de",
      "note": "The steel shelf the receiver, turntable motor and mains transformer sit on, 60 mm above the base.",
      "shape": {
        "type": "box",
        "size": [
          0.536,
          0.004,
          0.23
        ]
      },
      "at": [
        0,
        0.062,
        0
      ],
      "look": {
        "fill": "dark",
        "alpha": 0.55,
        "weight": 0.8
      }
    },
    {
      "id": "speaker-driver-left",
      "label": "Speaker driver, left",
      "role": "structure",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "speaker"
      ],
      "source": "hifiblueprint",
      "note": "An elliptical Isophon driver behind each punched field: 170 x 250 mm on the speaker side.",
      "shape": {
        "type": "box",
        "size": [
          0.21,
          0.033,
          0.034
        ]
      },
      "at": [
        -0.11,
        0.0805,
        0.098
      ],
      "look": {
        "fill": "dark",
        "alpha": 0.5,
        "weight": 0.6
      }
    },
    {
      "id": "speaker-driver-right",
      "label": "Speaker driver, right",
      "role": "structure",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "speaker"
      ],
      "source": "hifiblueprint",
      "note": "An elliptical Isophon driver behind each punched field: 170 x 250 mm on the speaker side.",
      "shape": {
        "type": "box",
        "size": [
          0.1,
          0.033,
          0.034
        ]
      },
      "at": [
        0.177,
        0.0805,
        0.098
      ],
      "look": {
        "fill": "dark",
        "alpha": 0.5,
        "weight": 0.6
      }
    },
    {
      "id": "tuner-block",
      "label": "Tuner and valve block",
      "role": "structure",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "valves"
      ],
      "source": "wiki-de",
      "note": "The valve receiver: ECC85, two EF89, EABC80 and EL84 on one chassis, under the dial end of the deck.",
      "shape": {
        "type": "box",
        "size": [
          0.15,
          0.055,
          0.12
        ]
      },
      "at": [
        0.18,
        0.064,
        -0.02
      ],
      "look": {
        "fill": "dark",
        "alpha": 0.5,
        "weight": 0.6
      }
    },
    {
      "id": "mains-transformer",
      "label": "Mains transformer",
      "role": "structure",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "weight"
      ],
      "source": "wiki-de",
      "note": "The heavy block that gives the set its 11 kg; drawn small on the chassis floor.",
      "shape": {
        "type": "box",
        "size": [
          0.085,
          0.07,
          0.07
        ]
      },
      "at": [
        -0.215,
        0.064,
        -0.06
      ],
      "look": {
        "fill": "dark",
        "alpha": 0.55,
        "weight": 0.7
      }
    },
    {
      "id": "cheek-grain-left-1",
      "label": "Elm grain, left cheek 1",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.014,
            -0.112
          ],
          [
            -0.2902,
            0.1392,
            -0.108
          ],
          [
            -0.2902,
            0.2785,
            -0.111
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-left-2",
      "label": "Elm grain, left cheek 2",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.014,
            -0.084
          ],
          [
            -0.2902,
            0.1315,
            -0.08
          ],
          [
            -0.2902,
            0.263,
            -0.083
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        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-left-3",
      "label": "Elm grain, left cheek 3",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.014,
            -0.056
          ],
          [
            -0.2902,
            0.1237,
            -0.052
          ],
          [
            -0.2902,
            0.2475,
            -0.055
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-left-4",
      "label": "Elm grain, left cheek 4",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.014,
            -0.028
          ],
          [
            -0.2902,
            0.116,
            -0.024
          ],
          [
            -0.2902,
            0.232,
            -0.027
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-left-5",
      "label": "Elm grain, left cheek 5",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.014,
            0.0
          ],
          [
            -0.2902,
            0.1082,
            0.004
          ],
          [
            -0.2902,
            0.2165,
            0.001
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-left-6",
      "label": "Elm grain, left cheek 6",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.014,
            0.028
          ],
          [
            -0.2902,
            0.1005,
            0.032
          ],
          [
            -0.2902,
            0.201,
            0.029
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-left-7",
      "label": "Elm grain, left cheek 7",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.014,
            0.056
          ],
          [
            -0.2902,
            0.0928,
            0.06
          ],
          [
            -0.2902,
            0.1855,
            0.057
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-left-8",
      "label": "Elm grain, left cheek 8",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.014,
            0.084
          ],
          [
            -0.2902,
            0.085,
            0.088
          ],
          [
            -0.2902,
            0.17,
            0.085
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-left-9",
      "label": "Elm grain, left cheek 9",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.2902,
            0.014,
            0.112
          ],
          [
            -0.2902,
            0.0773,
            0.116
          ],
          [
            -0.2902,
            0.1545,
            0.113
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-right-1",
      "label": "Elm grain, right cheek 1",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2902,
            0.014,
            -0.112
          ],
          [
            0.2902,
            0.1392,
            -0.108
          ],
          [
            0.2902,
            0.2785,
            -0.111
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-right-2",
      "label": "Elm grain, right cheek 2",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2902,
            0.014,
            -0.084
          ],
          [
            0.2902,
            0.1315,
            -0.08
          ],
          [
            0.2902,
            0.263,
            -0.083
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-right-3",
      "label": "Elm grain, right cheek 3",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2902,
            0.014,
            -0.056
          ],
          [
            0.2902,
            0.1237,
            -0.052
          ],
          [
            0.2902,
            0.2475,
            -0.055
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-right-4",
      "label": "Elm grain, right cheek 4",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2902,
            0.014,
            -0.028
          ],
          [
            0.2902,
            0.116,
            -0.024
          ],
          [
            0.2902,
            0.232,
            -0.027
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-right-5",
      "label": "Elm grain, right cheek 5",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2902,
            0.014,
            0.0
          ],
          [
            0.2902,
            0.1082,
            0.004
          ],
          [
            0.2902,
            0.2165,
            0.001
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-right-6",
      "label": "Elm grain, right cheek 6",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2902,
            0.014,
            0.028
          ],
          [
            0.2902,
            0.1005,
            0.032
          ],
          [
            0.2902,
            0.201,
            0.029
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-right-7",
      "label": "Elm grain, right cheek 7",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2902,
            0.014,
            0.056
          ],
          [
            0.2902,
            0.0928,
            0.06
          ],
          [
            0.2902,
            0.1855,
            0.057
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-right-8",
      "label": "Elm grain, right cheek 8",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2902,
            0.014,
            0.084
          ],
          [
            0.2902,
            0.085,
            0.088
          ],
          [
            0.2902,
            0.17,
            0.085
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "cheek-grain-right-9",
      "label": "Elm grain, right cheek 9",
      "role": "detail",
      "stage": 2,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "source": "photo-3",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.2902,
            0.014,
            0.112
          ],
          [
            0.2902,
            0.0773,
            0.116
          ],
          [
            0.2902,
            0.1545,
            0.113
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.45,
        "alpha": 0.5,
        "line": "solid"
      }
    },
    {
      "id": "hood-contour-1",
      "label": "Hood surface contour 1",
      "role": "detail",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "hood-rake"
      ],
      "source": "photo-1",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.13,
            0.155,
            0.1215
          ],
          [
            -0.13,
            0.268,
            -0.1215
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.35,
        "alpha": 0.4,
        "line": "solid"
      }
    },
    {
      "id": "hood-contour-2",
      "label": "Hood surface contour 2",
      "role": "detail",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "hood-rake"
      ],
      "source": "photo-1",
      "shape": {
        "type": "curve",
        "points": [
          [
            -0.045,
            0.155,
            0.1215
          ],
          [
            -0.045,
            0.268,
            -0.1215
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.35,
        "alpha": 0.4,
        "line": "solid"
      }
    },
    {
      "id": "hood-contour-3",
      "label": "Hood surface contour 3",
      "role": "detail",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "hood-rake"
      ],
      "source": "photo-1",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.045,
            0.155,
            0.1215
          ],
          [
            0.045,
            0.268,
            -0.1215
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.35,
        "alpha": 0.4,
        "line": "solid"
      }
    },
    {
      "id": "hood-contour-4",
      "label": "Hood surface contour 4",
      "role": "detail",
      "stage": 7,
      "certainty": {
        "size": "inferred",
        "shape": "inferred"
      },
      "basis": [
        "hood-rake"
      ],
      "source": "photo-1",
      "shape": {
        "type": "curve",
        "points": [
          [
            0.13,
            0.155,
            0.1215
          ],
          [
            0.13,
            0.268,
            -0.1215
          ]
        ]
      },
      "at": [
        0,
        0,
        0
      ],
      "look": {
        "weight": 0.35,
        "alpha": 0.4,
        "line": "solid"
      }
    }
  ],
  "articulations": [
    {
      "id": "hood-open",
      "type": "hinge",
      "parts": [
        "lid-glass-hood",
        "lid-rail-left",
        "lid-rail-right",
        "lid-front-lip"
      ],
      "axis": [
        -1,
        0,
        0
      ],
      "pivot": [
        0,
        0.272,
        -0.122
      ],
      "amount": 106,
      "order": 0,
      "note": "the hood swings back on the barrel at the cheeks' back edge"
    }
  ],
  "labels": [
    {
      "id": "maker-mark",
      "part": "brand-field",
      "field": "brand",
      "face": "top",
      "region": [
        0.04,
        0.12,
        0.96,
        0.88
      ],
      "role": "title",
      "align": "center"
    },
    {
      "id": "key-labels",
      "part": "button-well",
      "field": "buttons",
      "face": "top",
      "region": [
        0.02,
        0.72,
        0.98,
        0.99
      ],
      "role": "meta",
      "align": "center"
    }
  ],
  "annotations": [
    {
      "id": "a-hood",
      "text": "Clear acrylic hood (hinged)",
      "part": "lid-glass-hood",
      "offset": [
        0.09,
        0.06,
        0
      ]
    },
    {
      "id": "a-cheek",
      "text": "Elm side panel",
      "part": "cheek-left",
      "offset": [
        -0.06,
        0.05,
        0
      ]
    },
    {
      "id": "a-body",
      "text": "White-lacquered steel body",
      "part": "body-front-top",
      "offset": [
        -0.1,
        -0.03,
        0.02
      ]
    },
    {
      "id": "a-deck",
      "text": "PC 3 turntable and controls",
      "part": "platter",
      "offset": [
        0.02,
        0.05,
        0.02
      ]
    }
  ],
  "anchors": {
    "front": {
      "part": "body-front-top",
      "face": "front"
    },
    "base": {
      "point": [
        0,
        0,
        0
      ],
      "up": [
        0,
        1,
        0
      ]
    }
  },
  "presentation": {
    "framing": {
      "yaw": 26,
      "pitch": 17,
      "fit": 0.94
    },
    "views": [
      {
        "id": "open",
        "label": "Hood open, deck in view",
        "yaw": 22,
        "pitch": 34,
        "distance": 1.05
      },
      {
        "id": "controls",
        "label": "Control panel",
        "yaw": 14,
        "pitch": 52,
        "distance": 3.4,
        "target": "button-well"
      },
      {
        "id": "platter",
        "label": "PC 3 platter and tonearm",
        "yaw": -16,
        "pitch": 46,
        "distance": 2.6,
        "target": "platter"
      },
      {
        "id": "grille",
        "label": "Speaker and vent slots",
        "yaw": 6,
        "pitch": 3,
        "distance": 2.6,
        "target": "front-rib-speaker-8"
      },
      {
        "id": "rear",
        "label": "Back and record cutout",
        "yaw": 200,
        "pitch": 18,
        "distance": 1.1
      },
      {
        "id": "profile",
        "label": "Side profile, hood rake",
        "yaw": 90,
        "pitch": 6,
        "distance": 1.05
      }
    ],
    "still_pose": "closed",
    "atmosphere": {
      "haze": 0.18,
      "scanlines": false,
      "vignette": true,
      "grid": true,
      "projector": false,
      "motes": 0.0
    },
    "occlusion": "xray",
    "certainty_style": "subtle",
    "float": 0
  },
  "animation": {
    "assembly": {
      "style": "ceremony",
      "seconds": 10,
      "interference": false
    },
    "idle": {
      "life": "calm",
      "events": [
        "scan",
        "shimmer",
        "sweep"
      ],
      "cadence": [
        11,
        19
      ],
      "strength": 0.28
    },
    "camera": {
      "drift": 3,
      "breathe": 0.015,
      "tour": [
        {
          "view": "controls",
          "at": 15,
          "fly": 3.5
        },
        {
          "view": "platter",
          "at": 23,
          "fly": 3.5
        },
        {
          "view": "open",
          "at": 31,
          "fly": 4
        },
        {
          "view": "hero",
          "at": 40,
          "fly": 4.5
        }
      ]
    },
    "reduced_motion": "still"
  },
  "authoring": {
    "tier": "masterpiece",
    "research": "done",
    "critic": {
      "scene_sha256": "9785277bca0ad5a42731d8ac8187e074478e87cc772b9e18dd4d30e133fb0cb0",
      "verdict": "good",
      "scores": {
        "silhouette": 3,
        "proportions": 3,
        "identity": 2,
        "depth": 2,
        "composition": 2,
        "assembly": 2,
        "motion": 3,
        "density": 3,
        "honesty": 2
      },
      "round": 14,
      "defects": 10
    },
    "rounds": [
      {
        "round": 1,
        "result": "baseline",
        "minutes": 0.4,
        "changes": [
          "draft"
        ],
        "summary": "The hood outweighs the body in the outline. In still-side and view-profile the lid rises ~160 mm above the deck (0.28 of the 580 mm width) a"
      },
      {
        "round": 2,
        "result": "kept",
        "minutes": 3.5,
        "changes": [
          "D1",
          "D2",
          "D3",
          "D4"
        ],
        "summary": "The tonearm is a dense cross-hatched tube that swings through a half-circle from the rear pivot to the front-left and ends in a fan of slive"
      },
      {
        "round": 3,
        "result": "reverted",
        "minutes": 3.6,
        "changes": [
          "D13",
          "D14",
          "D2",
          "D3"
        ],
        "summary": "In photo-2 the raised lid is a clear box FRAMED IN ELM on both side edges (and along its top edge), and those two wood stiles are what makes"
      },
      {
        "round": 4,
        "result": "kept",
        "minutes": 3.9,
        "changes": [
          "D2",
          "D6",
          "D7",
          "D8"
        ],
        "summary": "The largest surface of the machine is not drawn as a surface at all. In still-front the front face between and around the grille blocks is p"
      },
      {
        "round": 5,
        "result": "kept",
        "minutes": 1.5,
        "changes": [
          "D15",
          "D17",
          "D2",
          "D3"
        ],
        "summary": "The closed hood is a single plane raked from the deck at the front (155 mm) up to 290 mm at the back: 135 mm of rise over the 244 mm depth, "
      },
      {
        "round": 6,
        "result": "kept",
        "minutes": 1.3,
        "changes": [
          "D13",
          "D18",
          "D4",
          "D6"
        ],
        "summary": "The slot blocks fill too much of the front face. Measured on still-front: face 407-538 px, blocks 423-517 px, i.e. 72% of the face, top marg"
      },
      {
        "round": 7,
        "result": "reverted",
        "minutes": 1.1,
        "changes": [
          "D17",
          "D3",
          "D4",
          "D6"
        ],
        "summary": "The fascia is three bordered plates - grille plate, blank middle plate, grille plate - each with a double-line frame and a plate step (clear"
      },
      {
        "round": 8,
        "result": "kept",
        "minutes": 1.5,
        "changes": [
          "D14",
          "D26",
          "D6"
        ],
        "summary": "The hood's front lip is 16 mm deep and eats half of the 31 mm white margin left above the slot band: in still-front the white between the tr"
      },
      {
        "round": 9,
        "result": "kept",
        "minutes": 0.6,
        "changes": [
          "D13",
          "D16",
          "D17",
          "D18"
        ],
        "summary": "The deck carries four knobs; the PC 3 deck has three (Ein, Tone, Lautsprecher) in one column in front of the scale. Each knob is also drawn "
      },
      {
        "round": 10,
        "result": "kept",
        "minutes": 0.7,
        "changes": [
          "D10",
          "D13",
          "D14",
          "D3"
        ],
        "summary": "The tuning window is rotated 90 degrees. In the top view it measures about 45 mm across the deck and 130 mm front-to-back, with its scale ti"
      },
      {
        "round": 11,
        "result": "kept",
        "minutes": 1.2,
        "changes": [
          "D6",
          "D9"
        ],
        "summary": "The elm is drawn as five dead-level rules at 45 mm pitch covering only y 0.030-0.214 of a 0.290 m panel, and the 0.244 x 0.290 m face above "
      },
      {
        "round": 12,
        "result": "kept",
        "minutes": 0.6,
        "changes": [
          "D10",
          "D17",
          "D6",
          "D9"
        ],
        "summary": "The object spans 530 of 1280 px, 41 percent of the frame width, with the upper 40 percent of the canvas empty black; the annotated plate squ"
      }
    ],
    "sources": [
      "museum-dns",
      "wiki-de",
      "vam",
      "dasprogramm",
      "hifiblueprint",
      "photo-1",
      "photo-2",
      "photo-3"
    ],
    "review_rounds": 12,
    "outcome": "good",
    "provenance_note": "Envelope 580x244x290 mm from Die Neue Sammlung, V&A and das programm; split, rake, grille bands, cheeks and layout measured on the three photographs. The back is inferred: no photo shows it. Lettering is a viewer overlay. The hood is one raked acrylic sheet with elm rails (photo-2's hinge corner). Round 12 of 12: critic 3,3,2,2,2,2,2,3,3, 8 items open; the round cap ended the run.",
    "identity": [
      {
        "feature": "White-lacquered steel box with two unequal punched slot fields",
        "parts": [
          "body-front-top",
          "front-rib-speaker-1",
          "front-rib-vent-1",
          "body-front-bottom"
        ],
        "source": "photo-1"
      },
      {
        "feature": "Elm-cheeked sides raking up to carry the hood",
        "parts": [
          "cheek-left",
          "cheek-right",
          "cheek-grain-left-1"
        ],
        "source": "photo-3"
      },
      {
        "feature": "One raked clear acrylic hood, elm rails, down-turned front lip, rear hinge",
        "parts": [
          "lid-glass-hood",
          "lid-rail-left",
          "lid-front-lip",
          "hinge-bracket-left"
        ],
        "source": "photo-2"
      },
      {
        "feature": "PC 3 platter with mat seam, label ring, three-arm clamp and spindle",
        "parts": [
          "platter",
          "spider-hub",
          "spider-arm",
          "spindle"
        ],
        "source": "photo-3"
      },
      {
        "feature": "Controls on the deck: four knobs, five keys, long scale, large Sender knob",
        "parts": [
          "knob-1",
          "button-1",
          "dial-card",
          "tuning-knob"
        ],
        "source": "photo-1"
      }
    ],
    "next": [
      "The tonearm head is still a chamfered shoe rather than the PC 3's cast tapered pickup: a loft along the arm's last 40 mm would finish it.",
      "The hero still holds the object at 41 per cent of the frame width; framing.fit 1.4-1.5 would fill it.",
      "The back is inferred throughout; a photograph of an SK 4's rear would let the vent fields, type plate and inlet be drawn as evidence rather than placeholder.",
      "The platter bay could drop 10 mm below the chassis plate, which needs the deck plate rebuilt as a frame rather than a slab.",
      "A 10-inch record on the platter would match photo-1 and fill the turntable, but it is not on the owner's part list."
    ]
  }
}