import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-30))
w1=cq.Workplane('ZX',origin=(0,-75,0))
r=w0.sketch().arc((80,35),(82,36),(83,38)).close().assemble().finalize().extrude(38).union(w0.sketch().push([(-46,63)]).circle(37).circle(9,mode='s').reset().face(w0.sketch().segment((7,-100),(55,-100)).segment((55,-63)).arc((58,-50),(55,-38)).segment((55,-1)).segment((7,-1)).segment((7,-38)).arc((4,-50),(7,-63)).close().assemble()).finalize().extrude(64)).union(w1.sketch().segment((-59,-79),(17,-79)).arc((32,-54),(59,-40)).segment((59,-21)).segment((-59,-21)).close().assemble().finalize().extrude(21))