import cadquery as cq
w0=cq.Workplane('YZ',origin=(2,0,0))
r=w0.sketch().segment((-67,-100),(20,-100)).segment((20,-16)).segment((17,-16)).segment((67,22)).segment((65,25)).segment((10,-16)).segment((-67,-16)).close().assemble().finalize().extrude(-80).union(w0.sketch().push([(-3,55)]).circle(45).circle(34,mode='s').circle(25).finalize().extrude(-66)).union(w0.workplane(offset=76/2).moveTo(-15,19).box(82,86,76))