| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-50,0,0)) | |
| r=w0.sketch().circle(13).reset().face(w0.sketch().segment((-10,7),(8,-9)).segment((10,-7)).segment((-8,9)).close().assemble(),mode='s').push([(2,7)]).circle(2,mode='s').finalize().extrude(100) |