{
 "digest": null,
 "links": {
  "fits": [],
  "members": [],
  "cases": [],
  "assemblies": []
 },
 "prints": [],
 "part": {
  "id": "mg90s-micro-servo",
  "name": "9g Micro Servo family (MG90S / FS90R / SG90 body)",
  "kind": "",
  "method": "",
  "vendor": "generic",
  "sku": "",
  "model": "",
  "buy": [
   "https://www.amazon.com/s?k=mg90s+micro+servo"
  ],
  "url": "",
  "category": "servo",
  "owned_qty": 0
 },
 "facts": {
  "id": "mg90s-micro-servo",
  "name": "9g Micro Servo family (MG90S / FS90R / SG90 body)",
  "aka": [
   "SG90",
   "MG90S",
   "FS90R",
   "9g servo",
   "ada-2941 DC-in-servo-body"
  ],
  "vendor": "amazon",
  "url": null,
  "qty_owned": 6,
  "category": "servo",
  "frame": "origin plan bottom-left (incl. flange ears), Z=0 body bottom; shaft axis up +Z at (5.9, 21.3)",
  "body": {
   "size_mm": [
    11.8,
    32.4,
    29.9
   ],
   "outline": "irregular",
   "notes": "body between ears spans y=4.7..27.3; flange plate at z=15.9..18.4"
  },
  "mounting": {
   "holes": [
    {
     "xy": [
      5.9,
      2.4
     ],
     "dia": 2.0,
     "thread": null,
     "notes": "flange ear, screw from top"
    },
    {
     "xy": [
      5.9,
      29.6
     ],
     "dia": 2.0,
     "thread": null,
     "notes": "flange ear"
    }
   ],
   "pattern": "27.25 hole-to-hole (single row)",
   "shaft": {
    "dia": 4.7,
    "notes": "output spline axis at (5.9, 21.3) - 5.9 offset from near body end; horn adds ~3 height"
   },
   "notes": "servo pocket: 23.0 x 12.2 cutout with flange sitting on 15.9 shelf is the classic fit (add tolerances.md slide fit)"
  },
  "electrical": {
   "vin": "4.8-6V",
   "protocols": [
    "pwm"
   ],
   "notes": "MG90S metal gear 180deg; FS90R continuous rotation (same body); 3-wire lead exits low on one end"
  },
  "cad": {
   "file": "amz-mg90s-micro-servo.step",
   "fidelity": "vendor",
   "source": "step.parts sg90_micro_servo sha256:7e9aeb4eebf5565e8dd049bb2697a001f2bbaf6de86ca118cef7e66e6268c19c (re-based; original in ref/)",
   "verified": true
  },
  "sources": [
   {
    "facts": "all geometry",
    "ref": "step.parts SG90 STEP, measured after re-base",
    "date": "2026-07-23"
   }
  ],
  "confidence": "model is SG90; MG90S/FS90R share the body class within ~0.3mm (community consensus) - caliper-check pocket fits before printing tight"
 },
 "models": [
  {
   "handle": "sarg",
   "fidelity": "vendor",
   "verified": true,
   "visibility": "public",
   "url": "/m/sarg/mg90s-micro-servo",
   "files": [
    "amz-mg90s-micro-servo.step",
    "part.yaml"
   ]
  }
 ],
 "related": {
  "notes": {
   "exact": [],
   "chip": [],
   "addr": []
  },
  "parts": {
   "variants": [],
   "interface": [],
   "mounting": [],
   "cooccur": [],
   "owners": [],
   "addr": []
  }
 }
}