import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,8,0))
r=w0.sketch().arc((-26,12),(-44,-25),(-5,-12)).arc((-4,10),(-26,12)).assemble().finalize().extrude(-33).union(w0.sketch().push([(0,9)]).circle(22).push([(-16,20)]).circle(1,mode='s').finalize().extrude(-4)).union(w0.workplane(offset=17/2).moveTo(36,19).cylinder(17,14))