{"description":"Electronics tray, 1 mm aluminium, 120x80 base (outside), 20 mm walls on four sides, R1 K0.44, round corner reliefs, 4x D3.2 holes on 100x60.",
 "commands":[
  {"command":"sheet.manage_rules","params":{"name":"Al 1 mm","thickness":"1 mm","bend_radius":"1 mm","k_factor":0.44,"corner_relief_shape":"round","corner_relief":"4 mm","active":true}},
  {"command":"sketch.create","params":{"plane":"XY","name":"Base"}},
  {"command":"sketch.rectangle.two_point","params":{"p0":[0,0],"p1":[120,80]}},
  {"command":"sketch.finish","params":{}},
  {"command":"sheet.flange","params":{"type":"base","sketch":"Base","name":"BaseFlange"}},
  {"command":"sheet.flange","params":{"edges":[[60,0,1],[120,40,1],[60,80,1],[0,40,1]],"height":"20 mm","angle":"90 deg","position":"inside","corner_relief_shape":"round","corner_relief":"4 mm","name":"Walls"}},
  {"command":"sketch.create","params":{"plane":"XY","name":"Holes"}},
  {"command":"sketch.circle.center","params":{"center":[10,10],"radius":1.6}},
  {"command":"sketch.circle.center","params":{"center":[110,10],"radius":1.6}},
  {"command":"sketch.circle.center","params":{"center":[10,70],"radius":1.6}},
  {"command":"sketch.circle.center","params":{"center":[110,70],"radius":1.6}},
  {"command":"sketch.finish","params":{}},
  {"command":"solid.extrude","params":{"through_all":true,"direction":"symmetric","operation":"cut","name":"MountHoles"}}
 ]}