import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,8))
r=w0.sketch().segment((0,12),(1,-1)).arc((-1,-9),(2,-18)).segment((3,-31)).segment((30,-29)).segment((29,-16)).arc((31,-7),(28,1)).segment((27,14)).close().assemble().push([(41,5)]).circle(9).finalize().extrude(-18).union(w0.sketch().segment((-46,-38),(-4,-38)).segment((-4,-11)).segment((-1,-10)).segment((-4,-2)).segment((-4,1)).segment((-5,1)).segment((-9,13)).arc((-13,31),(-30,38)).arc((-34,33),(-40,35)).arc((-50,19),(-41,1)).segment((-46,1)).close().assemble().reset().face(w0.sketch().segment((-22,1),(-20,1)).segment((-21,3)).close().assemble(),mode='s').finalize().extrude(2))