import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-41,0))
r=w0.sketch().segment((-100,-15),(-67,-15)).segment((-67,-16)).segment((5,-16)).arc((93,-39),(5,-13)).segment((-19,-13)).segment((-19,37)).segment((10,37)).segment((10,62)).segment((-79,62)).segment((-79,58)).segment((-100,58)).close().assemble().finalize().extrude(49).union(w0.workplane(offset=83/2).moveTo(-34,29).cylinder(83,8))