import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-66,0))
r=w0.workplane(offset=30/2).moveTo(-79,26).cylinder(30,5).union(w0.sketch().segment((-67,-66),(21,-100)).segment((84,66)).segment((-4,100)).close().assemble().finalize().extrude(132))