| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,13,0)) | |
| r=w0.workplane(offset=-26/2).moveTo(-10,-12).cylinder(26,4).union(w0.sketch().segment((-28,-42),(-7,-50)).segment((28,42)).segment((7,50)).segment((-12,0)).arc((-21,-7),(-19,-19)).close().assemble().finalize().extrude(-5)) |