import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,16,0))
r=w0.sketch().push([(-28,-22)]).circle(22).circle(13,mode='s').finalize().extrude(-34).union(w0.sketch().push([(-4,-19)]).circle(8).push([(39,25.5)]).rect(22,37).finalize().extrude(2))