| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,48,0)) | |
| r=w0.workplane(offset=-97/2).cylinder(97,47).union(w0.sketch().segment((-50,-16),(-36,-16)).arc((0,-40),(36,-16)).segment((50,-16)).segment((50,14)).segment((36,14)).arc((0,38),(-36,14)).segment((-50,14)).close().assemble().push([(-1,-1)]).rect(46,64,mode='s').finalize().extrude(-79)) |