{
 "object": "glass-marbles",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "marble-16mm",
   "step": "/files/hardware/sticks-skewers-wire-bbs/marble-16mm.step",
   "stl": "/files/hardware/sticks-skewers-wire-bbs/marble-16mm.stl",
   "note": "glass marble Ø16 (15.9); shooter Ø25"
  },
  {
   "name": "marble-5-8in",
   "step": "/files/hardware/sticks-skewers-wire-bbs/marble-5-8in.step",
   "stl": "/files/hardware/sticks-skewers-wire-bbs/marble-5-8in.stl",
   "note": "glass marble 5/8 in (Ø15.875), the common size"
  },
  {
   "name": "marble-1-2in",
   "step": "/files/hardware/sticks-skewers-wire-bbs/marble-1-2in.step",
   "stl": "/files/hardware/sticks-skewers-wire-bbs/marble-1-2in.stl",
   "note": "glass marble 1/2 in (Ø12.70)"
  }
 ]
}