import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-42,0))
w1=cq.Workplane('ZX',origin=(0,-17,0))
r=w0.sketch().push([(-91.5,-6.5)]).rect(17,33).push([(-97,3)]).circle(3,mode='s').finalize().extrude(17).union(w1.workplane(offset=59/2).moveTo(48.5,15.5).box(103,15,59))