| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(7,0,0)) | |
| r=w0.workplane(offset=-57/2).moveTo(7,-8).cylinder(57,7).union(w0.sketch().arc((-14,-6),(21,-24),(7,13)).arc((-22,25),(-14,-6)).assemble().finalize().extrude(8)).union(w0.sketch().push([(7,-8)]).circle(18).circle(2,mode='s').finalize().extrude(43)) |