import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,6))
r=w0.sketch().push([(-26,-19)]).circle(24).reset().face(w0.sketch().segment((7,-9),(13,-9)).arc((23,-11),(33,-9)).segment((39,-9)).segment((39,-6)).arc((50,16),(39,38)).segment((39,41)).segment((33,41)).arc((23,43),(13,41)).segment((7,41)).segment((7,38)).arc((-4,16),(7,-6)).close().assemble()).finalize().extrude(-13).union(w0.sketch().push([(21,-32)]).circle(4).reset().face(w0.sketch().arc((24,-33),(25,-32),(24,-31)).arc((18,-32),(24,-33)).assemble(),mode='s').finalize().extrude(-10))