import cadquery as cq
w0=cq.Workplane('YZ',origin=(-5,0,0))
r=w0.sketch().segment((-46,40),(-36,-23)).segment((24,-13)).segment((24,-50)).segment((46,-50)).segment((46,19)).segment((24,19)).segment((24,-7)).segment((14,50)).close().assemble().push([(-10,14)]).circle(30,mode='s').finalize().extrude(-29).union(w0.sketch().segment((-16,-14),(-7,-16)).segment((-4,4)).arc((0,13),(-3,21)).segment((-3,26)).segment((-11,27)).segment((-11,24)).arc((-20,14),(-14,4)).close().assemble().finalize().extrude(40))