import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,8))
r=w0.sketch().arc((38,47),(47,33),(42,48)).arc((43,41),(38,47)).assemble().finalize().extrude(-16).union(w0.sketch().segment((-50,-1),(-44,-15)).segment((-44,-32)).segment((-37,-32)).segment((-30,-48)).segment((8,-32)).segment((10,-32)).segment((10,-31)).segment((16,-28)).segment((10,-14)).segment((10,2)).segment((3,2)).segment((-4,18)).segment((-42,2)).segment((-44,2)).segment((-44,1)).close().assemble().push([(-18,-15)]).circle(5,mode='s').push([(0,-19)]).circle(3,mode='s').finalize().extrude(-1))