{
  "version": 1,
  "id": "planetary-reducer",
  "title": "Planetary gear reducer",
  "input": "Design a 5:1 planetary reducer, module 2: 12-tooth sun, three 18-tooth planets on a carrier, a 48-tooth ring gear in a flanged housing with eight bolt holes, input and output shafts.",
  "sourceKind": "repository-authored-deterministic-example",
  "aiGenerated": false,
  "sourceCommit": "e782a9528f1421d10775353c769cb987074c45c3",
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    "module": 2,
    "sunTeeth": 12,
    "planetTeeth": 18,
    "faceWidth": 12,
    "backlash": 0.1,
    "flange": 6,
    "bolts": 8,
    "boltHole": 6.6,
    "pin": 8,
    "inputShaft": 12,
    "outputShaft": 20,
    "shaftLength": 24
  },
  "originalSource": "scripts/public-cases/planetary-reducer.mjs",
  "rights": "Original Lovcad repository example; no user project or third-party design.",
  "geometry": {
    "units": "mm",
    "dimensions": [134, 134, 72],
    "volumeMm3": 205311.6313760164,
    "parts": [
      {
        "name": "Ring gear housing",
        "volumeMm3": 127207.24702536542
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      {
        "name": "Sun gear and input shaft",
        "volumeMm3": 7748.071954220671
      },
      {
        "name": "Planet gear 1",
        "volumeMm3": 11078.41786720443
      },
      {
        "name": "Planet gear 2",
        "volumeMm3": 11078.417867204427
      },
      {
        "name": "Planet gear 3",
        "volumeMm3": 11078.417867204442
      },
      {
        "name": "Carrier and output shaft",
        "volumeMm3": 37121.05879481699
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    ],
    "clearanceCheck": "passed",
    "stepRoundtrip": "passed",
    "boundsCheck": "passed",
    "volumeCheck": "not declared",
    "volumeReference": "kernel volume recorded at generation; bounds checked against the declared envelope"
  },
  "limitations": [
    "No manufacturing, fit, strength or safety certification.",
    "Source-built example, not an AI generation benchmark.",
    "Drawing declarations and unrequested dimensions remain unverified."
  ],
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