{
 "object": "fin-keel-bulb",
 "license": "Xem Studio Design License (https://xemstudio.com/license/), Xem Studio",
 "files": [
  {
   "name": "fin-keel-bulb-appendage",
   "step": "/files/hardware/fin-keel-bulb/fin-keel-bulb-appendage.step",
   "stl": "/files/hardware/fin-keel-bulb/fin-keel-bulb-appendage.stl",
   "note": "fin keel bulb: 420 mm deep, 60 mm chord, NACA 00-series foil, bulb Ø40 × 180 mm"
  }
 ]
}