| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,22,0)) | |
| r=w0.workplane(offset=-44/2).moveTo(4,-27).cylinder(44,23).union(w0.sketch().arc((6,26),(-23,-22),(27,3)).segment((31,3)).segment((31,50)).segment((6,50)).close().assemble().finalize().extrude(-44)) |