import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-61))
r=w0.sketch().segment((-100,-62),(-42,-66)).segment((-42,-52)).segment((-18,-52)).segment((-99,-47)).close().assemble().finalize().extrude(23).union(w0.sketch().segment((68,-19),(100,-19)).segment((100,66)).segment((96,60)).arc((95,59),(94,57)).segment((88,48)).segment((82,51)).arc((76,53),(72,59)).segment((68,61)).close().assemble().finalize().extrude(123))