import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-18))
r=w0.sketch().segment((-50,7),(-45,4)).segment((-32,24)).segment((-38,27)).close().assemble().reset().face(w0.sketch().segment((-28,-8),(41,-8)).segment((41,-7)).segment((34,-2)).segment((41,11)).segment((41,34)).segment((-28,34)).close().assemble()).reset().face(w0.sketch().segment((-3,12),(15,7)).segment((17,14)).segment((-2,19)).close().assemble(),mode='s').finalize().extrude(23).union(w0.sketch().arc((-7,-20),(23,-13),(-5,-26)).segment((4,-26)).segment((4,-21)).segment((19,-21)).segment((19,-16)).segment((-2,-16)).segment((-2,-19)).segment((-7,-19)).close().assemble().push([(46.5,-12)]).rect(7,16).finalize().extrude(37))