import cadquery as cq
w0=cq.Workplane('YZ',origin=(-40,0,0))
r=w0.sketch().segment((-27,-8),(-20,-8)).arc((0,-22),(20,-8)).segment((27,-8)).segment((27,8)).segment((20,8)).arc((0,22),(-20,8)).segment((-27,8)).close().assemble().finalize().extrude(16).union(w0.workplane(offset=65/2).cylinder(65,13)).union(w0.sketch().segment((-42,-32),(-28,-36)).segment((-28,-43)).segment((-7,-43)).segment((16,-50)).segment((19,-43)).segment((28,-43)).segment((28,-12)).segment((42,32)).segment((28,36)).segment((28,43)).segment((7,43)).segment((-16,50)).segment((-19,43)).segment((-28,43)).segment((-28,12)).close().assemble().finalize().extrude(80))