| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,-21,0)) | |
| r=w0.sketch().segment((-20,0),(19,0)).segment((20,0)).segment((20,42)).segment((19,42)).arc((0,50),(-20,42)).close().assemble().push([(12,-24)]).circle(2).finalize().extrude(-2).union(w0.workplane(offset=45/2).moveTo(12,-24).box(6,52,45)) |