{
 "slug": "letter",
 "triangles": 5512,
 "texture_px": 2048,
 "triangles_light": null,
 "texture_px_light": null,
 "files": {
  "glb": {
   "name": "letter.glb",
   "bytes": 435940
  },
  "blend": {
   "name": "letter.blend",
   "bytes": 387255
  },
  "fbx": {
   "name": "letter.fbx",
   "bytes": 796348
  },
  "obj": {
   "name": "letter-obj.zip",
   "bytes": 284667
  },
  "usdz": {
   "name": "letter.usdz",
   "bytes": 703524
  }
 },
 "extras": {
  "license": "CC0-1.0",
  "source": "grab3d.com",
  "dimensions_m": "0.220 x 0.110 x 0.008",
  "triangles": 5512,
  "textures": "PBR 2048px: base color, roughness, metallic, normal (baked)",
  "generator": "Created by grab3d",
  "created": "2026-10-18",
  "real_size": "sealed envelope, 22 x 11 cm",
  "notes": "lies flat with the back side up; pointed flap closed with a red wax seal embossed with a star; sender lines suggested as blank ink bars; parchment paper slightly curved; no text",
  "set": "Cozy Curiosities 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
 }
}