import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-37,0))
r=w0.sketch().segment((-16,-47),(-2,-39)).segment((-5,-33)).arc((-10,-41),(-16,-47)).assemble().finalize().extrude(53).union(w0.sketch().push([(-9,-15)]).rect(78,70).reset().face(w0.sketch().segment((16,39),(27,39)).arc((33,36),(37,39)).segment((48,39)).segment((48,47)).segment((37,47)).arc((33,50),(27,47)).segment((16,47)).close().assemble()).finalize().extrude(74))