{
 "slug": "subway-car",
 "triangles": 29492,
 "texture_px": 2048,
 "triangles_light": 20069,
 "texture_px_light": 1024,
 "files": {
  "glb": {
   "name": "subway-car.glb",
   "bytes": 1789824
  },
  "blend": {
   "name": "subway-car.blend",
   "bytes": 1527963
  },
  "fbx": {
   "name": "subway-car.fbx",
   "bytes": 3240412
  },
  "obj": {
   "name": "subway-car-obj.zip",
   "bytes": 1633008
  },
  "usdz": {
   "name": "subway-car.usdz",
   "bytes": 2624128
  },
  "glb_light": {
   "name": "subway-car-light.glb",
   "bytes": 1023496
  },
  "fbx_light": {
   "name": "subway-car-light.fbx",
   "bytes": 1974668
  }
 },
 "extras": {
  "license": "CC0-1.0",
  "source": "grab3d.com",
  "dimensions_m": "2.792 x 16.500 x 4.120",
  "triangles": 29492,
  "textures": "PBR 2048px: base color, roughness, metallic, normal (baked)",
  "generator": "Created by grab3d",
  "created": "2026-09-26",
  "real_size": "subway / metro motor car on a short track piece, approx. 16.7 x 2.8 x 4.1 m (L x W x H incl. track and roof units), car body 15.6 m, wheel diameter 0.80 m, standard gauge 1435 mm",
  "notes": "front (driver's cab) faces -Y; 8 wheels are separate objects with origin on the axle (rotate around local X to roll); the track (subway-car_track) is a separate object, rail top at 0.30 m; three double sliding doors per side are modelled closed (fixed); third-rail operation, no pantograph; neutral glowing destination display without text; opaque tinted windows, no interior; no brand, no line number, 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
 }
}