import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-35,0))
r=w0.sketch().segment((-81,-100),(-2,-100)).segment((-2,-22)).arc((65,-13),(39,49)).segment((39,72)).segment((-44,72)).segment((-44,-18)).segment((-81,-18)).close().assemble().finalize().extrude(-57).union(w0.sketch().segment((-41,-5),(81,-5)).segment((81,91)).segment((64,91)).arc((42,100),(21,91)).segment((-41,91)).close().assemble().finalize().extrude(41)).union(w0.workplane(offset=128/2).moveTo(20,43).cylinder(128,47))