| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,2)) | |
| r=w0.sketch().segment((-46,-50),(46,-50)).segment((46,-11)).arc((47,0),(46,11)).segment((46,50)).segment((-46,50)).segment((-46,11)).arc((-47,0),(-46,-11)).close().assemble().finalize().extrude(-5) |