import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,6,0))
w1=cq.Workplane('ZX',origin=(0,12,0))
r=w0.workplane(offset=-80/2).moveTo(-55,46).cylinder(80,45).union(w0.sketch().arc((-13,-30),(-20,-78),(29,-83)).arc((98,-45),(60,25)).arc((13,55),(-3,2)).arc((-10,-13),(-13,-30)).assemble().finalize().extrude(42)).union(w1.workplane(offset=61/2).moveTo(-55,46).cylinder(61,4))