| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(4,0,0)) | |
| r=w0.workplane(offset=-50/2).moveTo(-38,31).cylinder(50,12).union(w0.sketch().push([(42,-35)]).circle(8).push([(47,-35)]).circle(2,mode='s').finalize().extrude(-40)).union(w0.sketch().arc((16,-9),(21,-19),(20,-31)).segment((24,-32)).segment((31,-16)).close().assemble().finalize().extrude(41)) |