{
 "object": "bell-cranks",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "bell-crank-30x30-90",
   "step": "/files/hardware/bell-cranks/bell-crank-30x30-90.step",
   "stl": "/files/hardware/bell-cranks/bell-crank-30x30-90.stl",
   "note": "bell crank, 30 \u00d7 30 mm arms at 90\u00b0, \u00d810 pocket for a 623 bearing pivot, \u00d83 arm holes"
  },
  {
   "name": "bell-crank-20x40-90",
   "step": "/files/hardware/bell-cranks/bell-crank-20x40-90.step",
   "stl": "/files/hardware/bell-cranks/bell-crank-20x40-90.stl",
   "note": "bell crank, 20 \u00d7 40 mm arms (2:1) at 90\u00b0, \u00d810 pivot pocket, \u00d83 arm holes"
  }
 ]
}