import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-30,0))
r=w0.sketch().segment((4,-4),(14,-12)).segment((24,0)).segment((34,-8)).segment((50,11)).segment((40,19)).segment((50,31)).segment((40,39)).segment((30,27)).segment((21,35)).segment((4,15)).segment((14,7)).close().assemble().finalize().extrude(4).union(w0.sketch().segment((-50,-39),(9,-39)).segment((9,-17)).arc((-15,-6),(-17,19)).segment((-50,19)).close().assemble().finalize().extrude(8)).union(w0.workplane(offset=61/2).moveTo(-21,-10).cylinder(61,27))