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import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-17))
w1=cq.Workplane('XY',origin=(0,0,-35))
r=w0.workplane(offset=-35/2).moveTo(-13,-38).box(28,64,35).union(w0.sketch().push([(-71,8)]).circle(29).reset().face(w0.sketch().arc((-34,-7),(-32,-71),(25,-41)).arc((15,-28),(14,-12)).arc((2,-3),(-13,0)).segment((-33,3)).close().assemble()).finalize().extrude(69)).union(w1.workplane(offset=3/2).moveTo(63,39).cylinder(3,37))