import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-50))
w1=cq.Workplane('ZX',origin=(0,-24,0))
r=w0.sketch().segment((-47,31),(-41,24)).arc((-40,25),(-38,26)).segment((-44,33)).close().assemble().reset().face(w0.sketch().segment((-34,-14),(-7,-14)).segment((-7,-9)).arc((-20,-12),(-34,-9)).close().assemble()).reset().face(w0.sketch().arc((-34,41),(-20,45),(-7,41)).segment((-7,46)).segment((-34,46)).close().assemble()).reset().face(w0.sketch().segment((-31,10),(-26,2)).segment((-23,4)).segment((-28,12)).arc((-30,11),(-31,10)).assemble()).finalize().extrude(2).union(w1.sketch().segment((8,37),(50,37)).segment((50,47)).segment((45,47)).segment((13,47)).segment((8,47)).close().assemble().finalize().extrude(-22))