import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,27))
w1=cq.Workplane('ZX',origin=(0,6,0))
r=w0.sketch().push([(11,0)]).circle(39).circle(5,mode='s').reset().face(w0.sketch().segment((42,11),(44,3)).segment((50,4)).segment((47,12)).close().assemble(),mode='s').finalize().extrude(-59).union(w1.workplane(offset=33/2).moveTo(31,-32.5).box(2,35,33))