{
 "object": "e-clip-grooved-rods-5mm",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "piston-rod-5x120-grooved",
   "step": "/files/hardware/linear-alternator-kit/piston-rod-5x120-grooved.step",
   "stl": "/files/hardware/linear-alternator-kit/piston-rod-5x120-grooved.stl",
   "note": "Ø5 × 120 piston rod with two DIN 6799 E-clip grooves Ø4.0 × 0.7, 10 mm from each end (free-piston core version; the tri-clamp kit uses the 5 mm tube)"
  },
  {
   "name": "displacer-rod-5x150-grooved",
   "step": "/files/hardware/free-piston-core/displacer-rod-5x150-grooved.step",
   "stl": "/files/hardware/free-piston-core/displacer-rod-5x150-grooved.stl",
   "note": "Ø5 × 150 displacer rod with two DIN 6799 E-clip grooves Ø4.0 × 0.7, 10 mm from each end"
  }
 ]
}