| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,-10,0)) | |
| r=w0.sketch().segment((-28,-43),(-11,-50)).segment((11,1)).segment((-3,7)).segment((28,7)).segment((28,50)).segment((-19,50)).segment((-19,7)).segment((-6,7)).close().assemble().finalize().extrude(20) |