import cadquery as cq
w0=cq.Workplane('YZ',origin=(15,0,0))
w1=cq.Workplane('YZ',origin=(-6,0,0))
r=w0.sketch().push([(79,-40)]).circle(21).circle(16,mode='s').finalize().extrude(-94).union(w1.workplane(offset=85/2).moveTo(-22,0).box(156,166,85))