import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,19,0))
r=w0.sketch().arc((-41,-67),(-18,-100),(11,-72)).segment((42,-72)).segment((42,100)).segment((-41,100)).close().assemble().push([(-31,-41)]).circle(5,mode='s').finalize().extrude(-38)