{
 "digest": null,
 "links": {
  "fits": [],
  "members": [],
  "cases": [],
  "assemblies": []
 },
 "prints": [],
 "part": {
  "id": "ada-324-nema17-stepper",
  "name": "NEMA 17 Stepper 12V 350mA (Adafruit 324, short body)",
  "kind": "",
  "method": "",
  "vendor": "adafruit",
  "sku": "324",
  "model": "",
  "buy": [
   "https://www.adafruit.com/product/324"
  ],
  "url": "https://www.adafruit.com/product/324",
  "category": "motor",
  "owned_qty": 0
 },
 "facts": {
  "id": "ada-324-nema17-stepper",
  "name": "NEMA 17 Stepper 12V 350mA (Adafruit 324",
  "vendor": "adafruit",
  "sku": "324",
  "url": "https://www.adafruit.com/product/324",
  "qty_owned": 1,
  "category": "motor",
  "frame": "origin plan bottom-left of 42.3 square, Z=0 rear face, shaft +Z (rotated from vendor STEP to match amz-nema17-42ncm frame)",
  "body": {
   "size_mm": [
    42.3,
    42.3,
    55.0
   ],
   "outline": "rect",
   "notes": "SHORT body (32.65) vs the STEPPERONLINE 42Ncm (38) - do not interchange mounts that trap body length"
  },
  "mounting": {
   "holes": [
    {
     "xy": [
      5.65,
      5.65
     ],
     "dia": 3.0,
     "thread": "M3",
     "depth": 4.5
    },
    {
     "xy": [
      36.65,
      5.65
     ],
     "dia": 3.0,
     "thread": "M3",
     "depth": 4.5
    },
    {
     "xy": [
      5.65,
      36.65
     ],
     "dia": 3.0,
     "thread": "M3",
     "depth": 4.5
    },
    {
     "xy": [
      36.65,
      36.65
     ],
     "dia": 3.0,
     "thread": "M3",
     "depth": 4.5
    }
   ],
   "pattern": "31.0 x 31.0 (NEMA 17 standard - same coords as amz-nema17-42ncm)",
   "shaft": {
    "dia": 5.0,
    "len": 20.15,
    "notes": "tip at z=55; pilot boss ~22 dia x 2.2"
   }
  },
  "electrical": {
   "vin": "12V, 350mA/phase",
   "notes": "200 steps/rev, bipolar 4-wire"
  },
  "cad": {
   "file": "ada-324-nema17-stepper.step",
   "fidelity": "vendor",
   "source": "adafruit/Adafruit_CAD_Parts @ ab3dfc47c324, '324 NEMA-17 Stepper Motor/...step', rotated Y->Z + re-based (original in ref/)",
   "verified": true
  },
  "sources": [
   {
    "facts": "all geometry",
    "ref": "vendor STEP (measured after transform)",
    "date": "2026-07-23"
   }
  ],
  "confidence": "high - official model; body length differs from amz NEMA17, both parts kept"
 },
 "models": [
  {
   "handle": "sarg",
   "fidelity": "vendor",
   "verified": true,
   "visibility": "public",
   "url": "/m/sarg/ada-324-nema17-stepper",
   "files": [
    "ada-324-nema17-stepper.step",
    "part.yaml"
   ]
  }
 ],
 "related": {
  "notes": {
   "exact": [],
   "chip": [],
   "addr": []
  },
  "parts": {
   "variants": [],
   "interface": [],
   "mounting": [
    {
     "product": "stepperonline-nema17-42ncm",
     "name": "STEPPERONLINE NEMA 17 Stepper 42Ncm 1.5A",
     "why": "pattern 31.0x31.0 mm",
     "url": "/p/stepperonline-nema17-42ncm"
    }
   ],
   "cooccur": [],
   "owners": [],
   "addr": []
  }
 }
}