{
 "slug": "gatehouse",
 "triangles": 39465,
 "texture_px": 2048,
 "triangles_light": 22736,
 "texture_px_light": 1024,
 "files": {
  "glb": {
   "name": "gatehouse.glb",
   "bytes": 2357028
  },
  "blend": {
   "name": "gatehouse.blend",
   "bytes": 1786978
  },
  "fbx": {
   "name": "gatehouse.fbx",
   "bytes": 3697116
  },
  "obj": {
   "name": "gatehouse-obj.zip",
   "bytes": 1396498
  },
  "usdz": {
   "name": "gatehouse.usdz",
   "bytes": 3121133
  },
  "glb_light": {
   "name": "gatehouse-light.glb",
   "bytes": 1403640
  },
  "fbx_light": {
   "name": "gatehouse-light.fbx",
   "bytes": 2226716
  }
 },
 "extras": {
  "license": "CC0-1.0",
  "source": "grab3d.com",
  "dimensions_m": "13.340 x 7.755 x 17.040",
  "triangles": 39465,
  "textures": "PBR 2048px: base color, roughness, metallic, normal (baked)",
  "generator": "Created by grab3d",
  "created": "2026-09-26",
  "real_size": "castle gatehouse with twin round towers, gate block 7.2 x 6 m, towers 4.2 m diameter, approx. 12.6 x 7.3 m footprint, 17.8 m tall incl. pennants, passage 3.1 m wide",
  "notes": "exterior only (closed towers, dark slits); front faces -Y. gatehouse_portcullis (lowered) has its origin at the bottom centre of the grate: translate along +Z (about +3.4 m fully raised, the bars slide into the wall above the arch). gatehouse_gate_left/right (closed, behind the portcullis) rotate about local Z on their hinge axis: left positive, right negative angles open them inwards (up to about 90 degrees). Pennants without emblem, no text",
  "set": "Cozy Medieval 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
 }
}