import cadquery as cq
w0=cq.Workplane('YZ',origin=(-8,0,0))
r=w0.sketch().arc((-15,5),(-14,-8),(-6,-17)).segment((-6,-11)).segment((-1,-11)).segment((-1,-19)).arc((25,-5),(10,20)).segment((10,5)).close().assemble().push([(6,-10)]).circle(1,mode='s').finalize().extrude(-42).union(w0.workplane(offset=58/2).moveTo(-15,1).cylinder(58,11))