import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,32,0))
r=w0.sketch().push([(8,54)]).rect(184,66).push([(66,80)]).circle(5,mode='s').finalize().extrude(-64).union(w0.sketch().arc((-100,-87),(-79,-34),(-100,19)).segment((-100,-6)).arc((-93,-34),(-100,-63)).close().assemble().finalize().extrude(-19))