| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(1,0,0)) | |
| r=w0.workplane(offset=-51/2).moveTo(-16,-9.5).box(22,15,51).union(w0.sketch().segment((-41,-29),(9,-29)).segment((9,-16)).segment((16,-24)).segment((41,-2)).segment((12,29)).segment((-8,10)).segment((-41,10)).close().assemble().finalize().extrude(49)) |