| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,13,0)) | |
| r=w0.sketch().push([(-47,44)]).circle(3).push([(-47,45)]).circle(2,mode='s').finalize().extrude(-42).union(w0.sketch().arc((14,-32),(31,-47),(47,-33)).arc((31,-3),(14,-32)).assemble().finalize().extrude(15)) |