import cadquery as cq
w0=cq.Workplane('YZ',origin=(-26,0,0))
w1=cq.Workplane('XY',origin=(0,0,3))
r=w0.sketch().push([(40,42)]).circle(3).circle(1,mode='s').finalize().extrude(10).union(w0.sketch().push([(-34,-8.5)]).rect(32,47).push([(36.5,-32)]).rect(27,26).push([(36,-32)]).circle(7,mode='s').finalize().extrude(54)).union(w1.sketch().segment((-25,-29),(-11,-29)).segment((-11,-1)).arc((-6,30),(-25,6)).close().assemble().push([(-25,9)]).circle(1,mode='s').finalize().extrude(17))