| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,-23,0)) | |
| r=w0.workplane(offset=-20/2).moveTo(17,-6).cylinder(20,33).union(w0.sketch().segment((-34,-18),(-29,-18)).arc((-21,-19),(-12,-18)).segment((-8,-18)).segment((-8,-16)).arc((8,10),(-8,36)).segment((-8,38)).segment((-12,38)).arc((-21,39),(-29,38)).segment((-34,38)).segment((-34,36)).arc((-50,10),(-34,-16)).close().assemble().finalize().extrude(-17)).union(w0.sketch().push([(17,-6)]).circle(4).circle(3,mode='s').finalize().extrude(66)) |