| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-40,0,0)) | |
| r=w0.sketch().segment((-50,-27),(-29,-49)).segment((-3,-23)).arc((16,-17),(24,2)).segment((50,27)).segment((29,49)).segment((3,23)).arc((-16,17),(-24,-2)).close().assemble().finalize().extrude(80) |