{
  "name": "Crane",
  "author": "J-Toastie",
  "source_url": "https://poly.pizza/m/gCcpjaxFdv",
  "download_url": "https://static.poly.pizza/0242ec01-e2ee-47f5-9403-4d65366f2307.glb",
  "license": "CC BY 3.0",
  "license_url": "https://creativecommons.org/licenses/by/3.0/",
  "file": "j-toastie-crane.glb",
  "bytes": 542664,
  "sha256": "052539d5ee78213e86e6feb5b69bd8148d75f879b73e1e41e52c878dd74c4d84",
  "source_units": "unspecified; GLB Y-up",
  "adaptation": "Runtime uniformly scales and places the model; original GLB retained unchanged. Not a certified equipment model.",
  "source_asset_status": "integrated; actual Web scene placement reviewed on 2026-09-23",
  "scene_use": "Auxiliary tower crane behind the cable-stayed bridge pylon; dedicated deck erection derricks are separate teaching geometry.",
  "uniform_scale": 3.2,
  "teaching_height_m": 46.74,
  "placement_physical_xyz_m": [84, 42, 3.0512],
  "placement_note": "Teaching placement on an independent platform; original model units unspecified, no real crane capacity or dimensions asserted."
}