SOLIDWORKS Bridge

{
 "id": "cswa-04-3dengr-q9-l-bracket",
 "title": "3dengr Q9: an L-bracket in AISI 1020, ONE polyline sketch",
 "source": "https://www.3dengr.com/cswa-practice-questions.html",
 "official": false,
 "units": "MMGS",
 "origin": "the base's corner at the origin: base 80 (X) x 10 (Y) x 40 (Z), the upright 10 thick at X 0..10 rising to Y 60",
 "material": {
  "name": "AISI 1020",
  "densityKgM3": 7900
 },
 "expected": {
  "massG": 410.8,
  "centerOfMassMm": [
   26.54,
   16.54,
   20.0
  ],
  "tolerancePct": 1.0
 },
 "keyBasis": "3dengr's worked answers (410.80 g; centre of mass (26.54, 16.54, 20.00))",
 "needsOps": [],
 "script": [
  {
   "op": "new_part"
  },
  {
   "op": "sketch",
   "plane": "Front Plane",
   "entities": [
    {
     "polyline": {
      "points": [
       [
        0,
        0
       ],
       [
        80,
        0
       ],
       [
        80,
        10
       ],
       [
        10,
        10
       ],
       [
        10,
        60
       ],
       [
        0,
        60
       ]
      ],
      "close": true
     }
    }
   ]
  },
  {
   "op": "extrude",
   "depthMm": 40
  },
  {
   "op": "set_material",
   "name": "AISI 1020",
   "densityKgM3": 7900
  }
 ]
}