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[
  {
    "name": "washer_m10",
    "title": "ISO 7089 flat washer (M10)",
    "category": "simple",
    "goal": "Clone this washer as a 3D-printable model",
    "note": "ISO 7089 M10: OD 20, ID 10.5, thickness 2.0 mm",
    "reference_stl": "data/examples/washer_m10/reference.stl",
    "preview": "data/examples/washer_m10/preview.png",
    "dims_mm": [
      2.0,
      20.0,
      20.0
    ]
  },
  {
    "name": "hex_nut_m8",
    "title": "DIN 934 hex nut (M8)",
    "category": "simple",
    "goal": "Clone this hex nut as a 3D-printable model",
    "note": "DIN 934 M8: across-flats 13, height 6.5 mm",
    "reference_stl": "data/examples/hex_nut_m8/reference.stl",
    "preview": "data/examples/hex_nut_m8/preview.png",
    "dims_mm": [
      6.5,
      13.0,
      15.0
    ]
  },
  {
    "name": "die_16",
    "title": "Six-sided die (16 mm)",
    "category": "simple",
    "goal": "Clone this die as a 3D-printable model",
    "note": "Standard 16 mm cube",
    "reference_stl": "data/examples/die_16/reference.stl",
    "preview": "data/examples/die_16/preview.png",
    "dims_mm": [
      16.0,
      16.0,
      16.0
    ]
  },
  {
    "name": "lego_2x4",
    "title": "LEGO 2\u00d74 brick (3001)",
    "category": "medium",
    "goal": "Clone this LEGO brick as a 3D-printable model",
    "note": "LEGO 3001: 31.8\u00d715.8\u00d79.6 mm + 8 studs",
    "reference_stl": "data/examples/lego_2x4/reference.stl",
    "preview": "data/examples/lego_2x4/preview.png",
    "dims_mm": [
      11.4,
      15.8,
      31.8
    ]
  },
  {
    "name": "mug",
    "title": "Coffee mug",
    "category": "medium",
    "goal": "Clone this mug as a 3D-printable model",
    "note": "~95 mm tall, 80 mm dia (approx)",
    "reference_stl": "data/examples/mug/reference.stl",
    "preview": "data/examples/mug/preview.png",
    "dims_mm": [
      80.0,
      95.0,
      112.0
    ]
  },
  {
    "name": "spur_gear",
    "title": "20-tooth spur gear",
    "category": "complex",
    "goal": "Clone this gear as a 3D-printable model",
    "note": "20-tooth gear \u2014 shows the fidelity gap on complex geometry",
    "reference_stl": "data/examples/spur_gear/reference.stl",
    "preview": "data/examples/spur_gear/preview.png",
    "dims_mm": [
      6.0,
      45.0,
      45.0
    ]
  },
  {
    "name": "gso_mug",
    "title": "Coffee mug (GSO scan)",
    "category": "real \u00b7 medium",
    "goal": "Clone this mug as a 3D-printable model",
    "note": "Google Scanned Objects (CC-BY 4.0)",
    "reference_stl": "data/examples/gso_mug/reference.stl",
    "preview": "data/examples/gso_mug/preview.png",
    "dims_mm": [
      90.6,
      126.3,
      134.9
    ]
  },
  {
    "name": "gso_teapot",
    "title": "Porcelain teapot (GSO scan)",
    "category": "real \u00b7 complex",
    "goal": "Clone this teapot as a 3D-printable model",
    "note": "Google Scanned Objects (CC-BY 4.0)",
    "reference_stl": "data/examples/gso_teapot/reference.stl",
    "preview": "data/examples/gso_teapot/preview.png",
    "dims_mm": [
      136.3,
      184.3,
      186.7
    ]
  },
  {
    "name": "gso_panda",
    "title": "Android panda figure (GSO scan)",
    "category": "real \u00b7 complex",
    "goal": "Clone this figurine as a 3D-printable model",
    "note": "Google Scanned Objects (CC-BY 4.0)",
    "reference_stl": "data/examples/gso_panda/reference.stl",
    "preview": "data/examples/gso_panda/preview.png",
    "dims_mm": [
      46.3,
      60.8,
      75.7
    ]
  }
]