import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,26,0))
r=w0.sketch().segment((-50,15),(-41,-10)).segment((-41,-23)).segment((-35,-23)).segment((-34,-27)).segment((-24,-23)).segment((1,-23)).segment((1,-14)).segment((10,-10)).segment((1,14)).segment((1,28)).segment((-4,28)).segment((-6,32)).segment((-16,28)).segment((-41,28)).segment((-41,18)).close().assemble().finalize().extrude(-53).union(w0.sketch().arc((14,-21),(26,-18),(26,-31)).arc((30,-32),(34,-31)).arc((36,-19),(48,-22)).arc((32,6),(14,-21)).assemble().finalize().extrude(-48))