{
 "object": "pins-3mm",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "pin-3x12",
   "step": "/files/hardware/stirling-shafts-and-rods/pin-3x12.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/pin-3x12.stl",
   "note": "Ø3 × 12 pin: crank pin, wrist pin, link pivot"
  },
  {
   "name": "pin-3x16",
   "step": "/files/hardware/stirling-shafts-and-rods/pin-3x16.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/pin-3x16.stl",
   "note": "Ø3 × 16 pin: crank pin, wrist pin, link pivot"
  },
  {
   "name": "pin-3x19",
   "step": "/files/hardware/stirling-shafts-and-rods/pin-3x19.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/pin-3x19.stl",
   "note": "Ø3 × 19 pin: crank pin, wrist pin, link pivot"
  },
  {
   "name": "pin-3x20",
   "step": "/files/hardware/stirling-shafts-and-rods/pin-3x20.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/pin-3x20.stl",
   "note": "Ø3 × 20 pin: crank pin, wrist pin, link pivot"
  },
  {
   "name": "pin-3x23",
   "step": "/files/hardware/stirling-shafts-and-rods/pin-3x23.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/pin-3x23.stl",
   "note": "Ø3 × 23 pin: crank pin, wrist pin, link pivot"
  }
 ]
}