{
 "object": "tri-clamp-engine-base-plate",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "base-plate-1.5in",
   "step": "/files/hardware/gamma-base-plate-and-beam/base-plate-1.5in.step",
   "stl": "/files/hardware/gamma-base-plate-and-beam/base-plate-1.5in.stl",
   "note": "base plate for a 1.5 in tri-clamp engine, 140.5 × 80.5 × 6: Ø52.5 spool passage (flange Ø + 2), two crank-stand-625 seats at x ±41.25, each 2 × M3 slots 3.4 × 16 (along y) on y ±21 (the stand's 42 mm foot pitch), 4 × M5 clearance (Ø5.5) at x ±58.25, y ±25 to 2020 extrusion"
  },
  {
   "name": "base-plate-2in",
   "step": "/files/hardware/gamma-base-plate-and-beam/base-plate-2in.step",
   "stl": "/files/hardware/gamma-base-plate-and-beam/base-plate-2in.stl",
   "note": "base plate for a 2 in tri-clamp engine, 154 × 94 × 6: Ø66 spool passage (flange Ø + 2), two crank-stand-625 seats at x ±48, each 2 × M3 slots 3.4 × 16 (along y) on y ±21 (the stand's 42 mm foot pitch), 4 × M5 clearance (Ø5.5) at x ±65, y ±25 to 2020 extrusion"
  },
  {
   "name": "base-plate-3in",
   "step": "/files/hardware/gamma-base-plate-and-beam/base-plate-3in.step",
   "stl": "/files/hardware/gamma-base-plate-and-beam/base-plate-3in.stl",
   "note": "base plate for a 3 in tri-clamp engine, 181 × 121 × 6: Ø93 spool passage (flange Ø + 2), two crank-stand-625 seats at x ±61.5, each 2 × M3 slots 3.4 × 16 (along y) on y ±21 (the stand's 42 mm foot pitch), 4 × M5 clearance (Ø5.5) at x ±78.5, y ±25 to 2020 extrusion"
  }
 ]
}