| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(25,0,0)) | |
| r=w0.workplane(offset=-75/2).moveTo(0,-9).box(60,14,75).union(w0.sketch().segment((-23,-41),(-18,-41)).segment((-18,-37)).arc((33,-9),(-18,19)).segment((-18,42)).segment((-23,42)).segment((-23,15)).arc((-33,-9),(-23,-33)).close().assemble().finalize().extrude(25)) |