import cadquery as cq
w0=cq.Workplane('YZ',origin=(9,0,0))
r=w0.sketch().segment((-50,-16),(-36,-23)).segment((-19,10)).segment((-4,9)).segment((-3,44)).segment((-28,45)).segment((-29,25)).close().assemble().push([(-30,6)]).circle(2,mode='s').finalize().extrude(-18).union(w0.sketch().arc((0,-3),(22,-45),(47,-5)).arc((23,-18),(0,-3)).assemble().finalize().extrude(-11))