import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,22))
r=w0.sketch().push([(-32,-22.5)]).rect(36,51).push([(26,24)]).circle(24).push([(36,21)]).circle(6,mode='s').finalize().extrude(-60).union(w0.sketch().arc((23,21),(26,19),(30,21)).close().assemble().finalize().extrude(15))