import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-83,0))
w1=cq.Workplane('XY',origin=(0,0,-25))
r=w0.sketch().arc((-56,49),(1,45),(-42,7)).arc((53,62),(-56,49)).assemble().finalize().extrude(33).union(w0.sketch().segment((-31,-51),(-7,-51)).segment((-7,-60)).segment((-1,-60)).segment((-1,-100)).segment((1,-100)).segment((1,-60)).segment((6,-60)).segment((6,-51)).segment((30,-51)).segment((30,12)).segment((6,12)).segment((6,21)).segment((-7,21)).segment((-7,12)).segment((-31,12)).close().assemble().finalize().extrude(37)).union(w1.workplane(offset=6/2).moveTo(35,53).cylinder(6,30))