import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-25,0))
r=w0.sketch().segment((-48,-35),(-37,-37)).arc((-16,-49),(7,-46)).segment((18,-48)).segment((21,-32)).arc((24,-25),(25,-18)).segment((31,-18)).segment((31,50)).segment((12,50)).segment((12,12)).arc((-7,18),(-26,15)).segment((-37,16)).segment((-39,0)).arc((-43,-9),(-44,-19)).close().assemble().finalize().extrude(-8).union(w0.sketch().segment((-7,8),(26,8)).arc((26,17),(33,22)).segment((33,25)).segment((-7,25)).close().assemble().reset().face(w0.sketch().arc((38,22),(45,17),(45,8)).segment((48,8)).segment((48,25)).segment((38,25)).close().assemble()).finalize().extrude(58))