import cadquery as cq
w0=cq.Workplane('YZ',origin=(6,0,0))
r=w0.sketch().segment((-50,6),(-45,3)).segment((-33,19)).segment((-38,23)).arc((-41,13),(-50,6)).assemble().finalize().extrude(-35).union(w0.sketch().segment((-35,-18),(-10,-28)).segment((-3,-10)).arc((0,-5),(1,0)).segment((8,18)).segment((-17,28)).segment((-24,10)).arc((-27,5),(-28,0)).close().assemble().push([(39,-11)]).circle(11).finalize().extrude(22))