import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-3))
w1=cq.Workplane('YZ',origin=(-7,0,0))
r=w0.sketch().segment((-42,0),(-40,-1)).arc((-39,0),(-38,2)).segment((-41,3)).close().assemble().reset().face(w0.sketch().segment((-34,-4),(-31,-5)).segment((-30,-2)).segment((-33,-1)).arc((-33,-3),(-34,-4)).assemble()).finalize().extrude(21).union(w0.workplane(offset=53/2).moveTo(41,0).cylinder(53,1)).union(w1.workplane(offset=-14/2).moveTo(0,-33).cylinder(14,17))