import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,36,0))
r=w0.sketch().push([(-13,-15)]).circle(35).reset().face(w0.sketch().segment((-12,48),(46,10)).segment((48,12)).segment((6,39)).arc((1,40),(-2,45)).segment((-10,50)).close().assemble()).finalize().extrude(-73)