{
 "object": "tri-clamp-hot-fin-sleeve",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "hot-fin-sleeve-2in-80x9",
   "step": "/files/hardware/tri-clamp-hot-fin-sleeve/hot-fin-sleeve-2in-80x9.step",
   "stl": "/files/hardware/tri-clamp-hot-fin-sleeve/hot-fin-sleeve-2in-80x9.stl",
   "note": "hot-end fin sleeve for the 2 in tube: bore Ø50.8 (the tube OD) × 49.0, 3 mm wall, 9 ring fins Ø80 × 1.5 at 5 pitch, 7 mm band over the top fin with 3 × M4 tapped (Ø3.3) at 0 / 120 / 240°"
  }
 ]
}