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Drew Owens 0.11.0 source 1b7115e 5d ago

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{
 "id": "cswa-01-3dengr-q5-block",
 "title": "3dengr Q5: a 100 x 20 x 60 block in 6061",
 "source": "https://www.3dengr.com/cswa-practice-questions.html",
 "official": false,
 "units": "MMGS",
 "origin": "a corner of the block at the origin, the block on +X +Y +Z (Front Plane sketch, extruded +Z)",
 "material": {
  "name": "6061 Alloy",
  "densityKgM3": 2700
 },
 "expected": {
  "massG": 324.0,
  "volumeMm3": 120000.0,
  "centerOfMassMm": [
   50.0,
   10.0,
   30.0
  ],
  "tolerancePct": 1.0
 },
 "keyBasis": "3dengr's worked answer (324.00 g); volume and centre of mass by arithmetic on the stated dimensions",
 "needsOps": [],
 "script": [
  {
   "op": "new_part"
  },
  {
   "op": "sketch_rect",
   "plane": "Front Plane",
   "xMm": 0,
   "yMm": 0,
   "widthMm": 100,
   "heightMm": 20
  },
  {
   "op": "extrude",
   "depthMm": 60
  },
  {
   "op": "set_material",
   "name": "6061 Alloy",
   "densityKgM3": 2700
  }
 ]
}