{
 "object": "free-piston-cylinder-liner",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "cylinder-liner-30x120",
   "step": "/files/hardware/free-piston-core/cylinder-liner-30x120.step",
   "stl": "/files/hardware/free-piston-core/cylinder-liner-30x120.stl",
   "note": "cylinder liner Ø30 bore × 120, 3 wall"
  },
  {
   "name": "cylinder-liner-40x160",
   "step": "/files/hardware/free-piston-core/cylinder-liner-40x160.step",
   "stl": "/files/hardware/free-piston-core/cylinder-liner-40x160.stl",
   "note": "cylinder liner Ø40 bore × 160, 3 wall"
  }
 ]
}