import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,11,0))
r=w0.sketch().segment((-38,-28),(-11,-37)).segment((15,41)).segment((-12,50)).close().assemble().reset().face(w0.sketch().segment((-6,-37),(-4,-41)).segment((-1,-40)).arc((24,-48),(35,-25)).segment((38,-23)).segment((36,-19)).segment((33,-20)).arc((8,-12),(-3,-36)).close().assemble()).finalize().extrude(-21)