import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-19,0))
r=w0.sketch().segment((-46,-12),(-38,-14)).arc((-13,-49),(25,-32)).segment((28,-33)).segment((46,29)).segment((-28,50)).close().assemble().reset().face(w0.sketch().arc((-25,-18),(-10,-37),(13,-29)).close().assemble(),mode='s').finalize().extrude(27).union(w0.workplane(offset=38/2).moveTo(-4,-16).cylinder(38,3))