| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,-7,0)) | |
| r=w0.sketch().arc((-29,18),(-32,-38),(9,0)).arc((4,38),(-29,18)).assemble().push([(-19,-10.5)]).rect(12,11,mode='s').finalize().extrude(-43).union(w0.sketch().segment((-1,-25),(47,-27)).segment((49,17)).segment((1,19)).close().assemble().finalize().extrude(57)) |