import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-28,0))
w1=cq.Workplane('ZX',origin=(0,-32,0))
r=w0.workplane(offset=61/2).moveTo(-48,26).cylinder(61,2).union(w1.sketch().push([(18,0)]).circle(32).circle(23,mode='s').finalize().extrude(50))