| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-50)) | |
| r=w0.sketch().circle(40).push([(0.5,5.5)]).rect(21,19,mode='s').reset().face(w0.sketch().segment((-4,-33),(4,-33)).segment((4,-21)).arc((0,-22),(-4,-21)).close().assemble(),mode='s').reset().face(w0.sketch().arc((-4,21),(0,22),(4,21)).segment((4,33)).segment((-4,33)).close().assemble(),mode='s').finalize().extrude(100) |