{
 "slug": "worm-gear",
 "triangles": 29768,
 "texture_px": 2048,
 "triangles_light": null,
 "texture_px_light": null,
 "files": {
  "glb": {
   "name": "worm-gear.glb",
   "bytes": 2358864
  },
  "blend": {
   "name": "worm-gear.blend",
   "bytes": 1858089
  },
  "fbx": {
   "name": "worm-gear.fbx",
   "bytes": 4136188
  },
  "obj": {
   "name": "worm-gear-obj.zip",
   "bytes": 2137413
  },
  "usdz": {
   "name": "worm-gear.usdz",
   "bytes": 3775754
  }
 },
 "extras": {
  "license": "CC0-1.0",
  "source": "grab3d.com",
  "dimensions_m": "0.236 x 0.144 x 0.143",
  "triangles": 29768,
  "textures": "PBR 2048px: base color, roughness, metallic, normal (baked)",
  "generator": "Created by grab3d",
  "created": "2026-10-26",
  "real_size": "worm gear drive, ratio 30:1, centre distance 50 mm, base plate 24 x 14 cm",
  "notes": "Single start steel worm (module 2.5, 25 mm pitch diameter, real helical thread, lead angle 5.7 degrees) driving a throated worm wheel with 30 teeth (brass rim on a steel centre), ratio 30:1, shafts at 90 degrees in painted pillow block bearings on a base plate. Wheel teeth are inclined by the worm lead angle and sit in the worm thread. Rotating parts: 'rotor_a' (worm wheel and shaft, axis Y) and 'rotor_b' (worm shaft, axis X), origins on the axes. One worm turn = 1/30 wheel turn.",
  "set": "Cozy Mechanical Parts 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
 }
}