import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-13,0))
w1=cq.Workplane('ZX',origin=(0,-15,0))
r=w0.sketch().arc((-48,13),(39,-31),(-23,44)).arc((-32,26),(-48,13)).assemble().circle(9,mode='s').finalize().extrude(-34).union(w1.sketch().arc((22,-4),(23,0),(22,4)).close().assemble().finalize().extrude(62))