import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-30))
r=w0.sketch().segment((-100,-66),(17,-66)).segment((17,66)).segment((1,66)).segment((1,41)).segment((-25,41)).segment((-25,66)).segment((-100,66)).close().assemble().finalize().extrude(-44).union(w0.sketch().segment((-16,6),(63,-9)).arc((77,13),(100,24)).segment((92,39)).segment((67,25)).segment((74,13)).segment((-16,13)).close().assemble().reset().face(w0.sketch().segment((3,5),(7,4)).segment((9,12)).segment((6,13)).close().assemble(),mode='s').finalize().extrude(105))