{
 "slug": "tram",
 "triangles": 29124,
 "texture_px": 2048,
 "triangles_light": null,
 "texture_px_light": null,
 "files": {
  "glb": {
   "name": "tram.glb",
   "bytes": 1614300
  },
  "blend": {
   "name": "tram.blend",
   "bytes": 1268421
  },
  "fbx": {
   "name": "tram.fbx",
   "bytes": 2853964
  },
  "obj": {
   "name": "tram-obj.zip",
   "bytes": 1245416
  },
  "usdz": {
   "name": "tram.usdz",
   "bytes": 2190663
  }
 },
 "extras": {
  "license": "CC0-1.0",
  "source": "grab3d.com",
  "dimensions_m": "3.300 x 22.600 x 5.237",
  "triangles": 29124,
  "textures": "PBR 2048px: base color, roughness, metallic, normal (baked)",
  "generator": "Created by grab3d",
  "created": "2026-09-26",
  "real_size": "two-section articulated tram on a short street track piece, approx. 20.7 x 2.4 x 5.2 m (L x W x H incl. raised pantograph; car body height 3.5 m above rail), wheel diameter 0.68 m, standard gauge 1435 mm",
  "notes": "front faces -Y; both ends have a driver's cab; doors (coral, closed) on the right-hand side; the pantograph arms (tram_pantograph_arms) are a separate object with origin on the hinge of the fixed base frame (tram_pantograph_base) - rotate around local X (glTF X) by about -30 deg to lower them onto the roof; 12 wheels on 3 bogies (one Jacobs bogie under the articulation) are separate objects with origin on the axle (rotate around local X to roll); the track embedded in paving (tram_track) is a separate object, rail top at 0.30 m; neutral glowing destination displays without text or line number; opaque tinted windows, no interior; no brand, no text",
  "set": "Cozy Boats & Aircraft Kit"
 },
 "origin": {
  "method": "procedural",
  "detail": "Built procedurally with Blender scripts. The scripts were written with the help of an AI coding assistant. No generative AI model produced the geometry or textures directly.",
  "ai_content": false,
  "ai_assisted_code": true
 }
}