| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-50)) | |
| r=w0.sketch().segment((-30,-4),(-5,-30)).segment((9,-16)).arc((13,-13),(16,-10)).segment((30,4)).segment((5,30)).segment((-9,16)).arc((-13,13),(-16,10)).close().assemble().finalize().extrude(100) |