import cadquery as cq
w0=cq.Workplane('YZ',origin=(3,0,0))
w1=cq.Workplane('ZX',origin=(0,-7,0))
r=w0.sketch().segment((-20,-15),(21,-15)).segment((21,13)).segment((50,23)).segment((41,50)).segment((8,39)).segment((14,24)).segment((-20,24)).segment((-20,7)).arc((-40,-1),(-20,-8)).close().assemble().push([(-28.5,-0.5)]).rect(15,7,mode='s').finalize().extrude(-13).union(w0.workplane(offset=9/2).moveTo(0,4).cylinder(9,4)).union(w0.sketch().segment((0,-1),(1,-1)).arc((1,10),(0,-1)).assemble().finalize().extrude(33)).union(w1.sketch().segment((-50,-36),(-26,-36)).arc((-38,-30),(-50,-36)).assemble().finalize().extrude(-43))