import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,31,0))
r=w0.sketch().segment((-44,16),(-44,39)).segment((46,39)).arc((46,40),(45,40)).arc((-19,98),(-44,16)).assemble().reset().face(w0.sketch().arc((-28,-27),(9,-44),(46,-27)).close().assemble()).finalize().extrude(-112).union(w0.workplane(offset=50/2).moveTo(11,-55).cylinder(50,45))