import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,26))
w1=cq.Workplane('ZX',origin=(0,-13,0))
r=w0.sketch().push([(-26,-36)]).circle(8).reset().face(w0.sketch().segment((22,-16),(47,-23)).segment((50,-10)).segment((28,-4)).arc((-29,13),(22,-16)).assemble()).finalize().extrude(-19).union(w0.sketch().arc((-50,31),(-20,9),(-6,44)).arc((-8,40),(-11,38)).segment((-11,31)).close().assemble().finalize().extrude(3)).union(w1.workplane(offset=38/2).moveTo(-26,-32).cylinder(38,3))