| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-1)) | |
| r=w0.sketch().segment((-16,-39),(16,-39)).segment((16,-24)).arc((30,0),(16,26)).segment((16,41)).segment((-16,41)).segment((-16,26)).arc((-30,0),(-16,-24)).close().assemble().finalize().extrude(-3).union(w0.sketch().push([(1,0)]).rect(58,100).push([(0.5,0.5)]).rect(23,31,mode='s').finalize().extrude(5)) |