{
 "object": "pin-gauges",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "pin-gauge-2-8-to-3-2",
   "step": "/files/hardware/printer-calibration-coupons/pin-gauge-2-8-to-3-2.step",
   "stl": "/files/hardware/printer-calibration-coupons/pin-gauge-2-8-to-3-2.stl",
   "note": "printed pin gauge 2.8–3.2: which prints to a true Ø3 hole in a bearing?"
  },
  {
   "name": "pin-gauge-4-8-to-5-2",
   "step": "/files/hardware/printer-calibration-coupons/pin-gauge-4-8-to-5-2.step",
   "stl": "/files/hardware/printer-calibration-coupons/pin-gauge-4-8-to-5-2.stl",
   "note": "printed pin gauge 4.8–5.2 (625 bearing bore test)"
  }
 ]
}