| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,9,0)) | |
| r=w0.sketch().segment((-50,-21),(-17,-21)).arc((17,-36),(-11,-12)).segment((-50,-12)).close().assemble().push([(-20.5,-16.5)]).rect(5,1,mode='s').finalize().extrude(-49).union(w0.workplane(offset=-20/2).moveTo(21,12).cylinder(20,29)).union(w0.sketch().arc((-39,28),(-37,28),(-35,27)).arc((-31,27),(-27,24)).segment((-25,24)).segment((-20,42)).segment((-34,45)).close().assemble().finalize().extrude(31)) |