| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-7)) | |
| r=w0.sketch().segment((-45,37),(-17,37)).arc((-31,43),(-45,37)).assemble().finalize().extrude(-43).union(w0.sketch().arc((42,-43),(45,-41),(44,-43)).segment((42,-42)).close().assemble().finalize().extrude(57)) |