| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,29,0)) | |
| r=w0.sketch().push([(-4,3)]).circle(6).circle(5,mode='s').finalize().extrude(-63).union(w0.sketch().arc((-21,28),(10,-25),(-15,31)).segment((-15,50)).segment((-21,50)).close().assemble().finalize().extrude(-31)).union(w0.workplane(offset=4/2).moveTo(21.5,-22).box(27,56,4)) |