| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-3,0,0)) | |
| r=w0.sketch().segment((-41,29),(-37,22)).arc((-38,-21),(-1,-43)).segment((3,-50)).segment((41,-29)).segment((37,-22)).arc((38,21),(1,43)).segment((-3,50)).close().assemble().finalize().extrude(7) |