import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,33,0))
r=w0.sketch().segment((-84,-78),(-8,-100)).segment((14,-24)).segment((-61,-2)).close().assemble().reset().face(w0.sketch().arc((47,73),(57,87),(47,100)).close().assemble()).finalize().extrude(-67).union(w0.workplane(offset=-40/2).moveTo(73,-66).box(22,50,40))