import cadquery as cq
w0=cq.Workplane('YZ',origin=(-3,0,0))
w1=cq.Workplane('ZX',origin=(0,14,0))
r=w0.sketch().push([(14,3)]).rect(44,36).circle(11,mode='s').finalize().extrude(26).union(w0.sketch().segment((-50,-31),(-42,-41)).segment((-28,-31)).segment((-12,-31)).segment((-12,-18)).segment((-5,-12)).segment((-13,-2)).segment((-27,-13)).segment((-43,-13)).segment((-43,-26)).close().assemble().push([(39,30)]).circle(11).finalize().extrude(34)).union(w1.sketch().arc((-6,-24),(22,-28),(30,1)).segment((33,1)).segment((33,2)).segment((29,2)).arc((27,6),(24,9)).arc((-13,13),(-6,-24)).assemble().finalize().extrude(-1))