{
 "object": "tri-clamp-piston-plug",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "fp-piston-plug-1.5in",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-1.5in.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-1.5in.stl",
   "note": "1.5 in piston plug: drops into the open skirt, two Ø3 × 16 wrist dowels through its legs at 17.6 mm retain it, Ø5 tube socket 15 deep, Ø3.4 clearance for the displacer rod (it runs in the piston's Ø3 crown bore, not here)"
  },
  {
   "name": "fp-piston-plug-2in",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-2in.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-2in.stl",
   "note": "2 in piston plug: drops into the open skirt, two Ø3 × 16 wrist dowels through its legs at 23.5 mm retain it, Ø5 tube socket 15 deep, Ø3.4 clearance for the displacer rod (it runs in the piston's Ø3 crown bore, not here)"
  },
  {
   "name": "fp-piston-plug-3in",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-3in.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-3in.stl",
   "note": "3 in piston plug: drops into the open skirt, two Ø3 × 16 wrist dowels through its legs at 37.0 mm retain it, Ø5 tube socket 15 deep, Ø3.4 clearance for the displacer rod (it runs in the piston's Ø3 crown bore, not here)"
  }
 ]
}