import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,83,0))
w1=cq.Workplane('ZX',origin=(0,39,0))
r=w0.sketch().segment((-43,-50),(2,-50)).arc((97,-29),(33,45)).segment((33,71)).segment((-20,71)).segment((-20,46)).segment((-43,46)).close().assemble().finalize().extrude(-108).union(w1.sketch().arc((-59,0),(-72,-81),(-33,-8)).arc((-18,81),(-59,0)).assemble().finalize().extrude(-123))