{
 "slug": "railway-crossing-signal",
 "triangles": 9898,
 "texture_px": 2048,
 "triangles_light": null,
 "texture_px_light": null,
 "files": {
  "glb": {
   "name": "railway-crossing-signal.glb",
   "bytes": 1511912
  },
  "blend": {
   "name": "railway-crossing-signal.blend",
   "bytes": 1364809
  },
  "fbx": {
   "name": "railway-crossing-signal.fbx",
   "bytes": 2329308
  },
  "obj": {
   "name": "railway-crossing-signal-obj.zip",
   "bytes": 1735708
  },
  "usdz": {
   "name": "railway-crossing-signal.usdz",
   "bytes": 2288982
  }
 },
 "extras": {
  "license": "CC0-1.0",
  "source": "grab3d.com",
  "dimensions_m": "1.400 x 0.832 x 3.845",
  "triangles": 9898,
  "textures": "PBR 2048px: base color, roughness, metallic, normal (baked)",
  "generator": "Created by grab3d",
  "created": "2026-09-26",
  "real_size": "3.9 m level-crossing signal: 114.3 mm galvanized pole on a 600 x 600 mm concrete foundation, St. Andrew's cross with 1.20 x 0.17 m arms at 50 degrees (centre at 3.08 m), two 200 mm red flashing lights on 500 mm black backplates (centre height 2.15 m), bell on top",
  "notes": "European-style crossbuck, red/white retro-reflective stripes as geometry (no texture needed), no text. Lens objects (lens_left/lens_right) are separate with emissive material for alternating flashing. Junction box and cable conduit on the back of the pole.",
  "set": "Urban Street 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
 }
}