import cadquery as cq
w0=cq.Workplane('YZ',origin=(34,0,0))
r=w0.sketch().push([(-21,33)]).circle(17).reset().face(w0.sketch().segment((-19,-45),(19,-45)).segment((23,-50)).segment((29,-45)).segment((38,-45)).segment((38,-3)).segment((-19,-3)).close().assemble()).reset().face(w0.sketch().segment((-11,-26),(4,-33)).segment((5,-33)).segment((9,-34)).segment((15,-16)).segment((10,-14)).segment((9,-19)).segment((-4,-13)).close().assemble(),mode='s').finalize().extrude(-69)