{
 "slug": "guard-rail",
 "triangles": 3672,
 "texture_px": 2048,
 "triangles_light": null,
 "texture_px_light": null,
 "files": {
  "glb": {
   "name": "guard-rail.glb",
   "bytes": 966596
  },
  "blend": {
   "name": "guard-rail.blend",
   "bytes": 932261
  },
  "fbx": {
   "name": "guard-rail.fbx",
   "bytes": 1753244
  },
  "obj": {
   "name": "guard-rail-obj.zip",
   "bytes": 1480120
  },
  "usdz": {
   "name": "guard-rail.usdz",
   "bytes": 1745304
  }
 },
 "extras": {
  "license": "CC0-1.0",
  "source": "grab3d.com",
  "dimensions_m": "4.000 x 0.300 x 0.754",
  "triangles": 3672,
  "textures": "PBR 2048px: base color, roughness, metallic, normal (baked)",
  "generator": "Created by grab3d",
  "created": "2026-09-26",
  "real_size": "4.0 m tileable steel guard rail: A-profile (double-wave W-beam) rail 310 x 83 x 3 mm, top edge 0.75 m, sigma posts 100 x 50 x 4 mm every 2.0 m (x = -1.0 / +1.0 m), 150 mm spacer blocks, M16 button-head bolts",
  "notes": "Tileable along X: seam edges at x = -2.0 and +2.0 m where the rail sits in its base position, so tiles join without offset (4 m element, post spacing 2 m continues). Rail splice with 320 mm overlap on the post at x = +1.0 m, upstream rail on the traffic side (traffic along +X on the -Y side), 8 splice bolts. Traffic side = -Y, posts end at ground level (z = 0). Hot-dip galvanized, light road grime.",
  "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
 }
}