| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,17,0)) | |
| r=w0.workplane(offset=-40/2).moveTo(18.5,-21).box(11,58,40).union(w0.sketch().segment((-9,-10),(9,-10)).segment((9,-5)).arc((26,20),(9,45)).segment((9,50)).segment((-9,50)).segment((-9,45)).arc((-26,20),(-9,-5)).close().assemble().finalize().extrude(6)) |