{
 "object": "extension-springs",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "extension-d0.6-od6-l30",
   "step": "/files/hardware/springs/extension-d0.6-od6-l30.step",
   "stl": "/files/hardware/springs/extension-d0.6-od6-l30.stl",
   "note": "extension spring envelope: wire Ø0.6, OD 6, ID 4.8, 30 mm over the loops, 20 coils"
  },
  {
   "name": "extension-d1-od10-l50",
   "step": "/files/hardware/springs/extension-d1-od10-l50.step",
   "stl": "/files/hardware/springs/extension-d1-od10-l50.stl",
   "note": "extension spring envelope: wire Ø1.0, OD 10, ID 8, 50 mm over the loops, 25 coils"
  }
 ]
}