| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,16)) | |
| r=w0.sketch().segment((-50,12),(-36,12)).segment((-36,-48)).segment((50,-48)).segment((50,48)).segment((-36,48)).segment((-36,21)).segment((-50,21)).close().assemble().reset().face(w0.sketch().arc((-20,12),(-11,7),(-2,12)).close().assemble(),mode='s').reset().face(w0.sketch().segment((-20,21),(-2,21)).arc((-11,27),(-20,21)).assemble(),mode='s').finalize().extrude(-32) |