import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-16,0))
w1=cq.Workplane('YZ',origin=(68,0,0))
r=w0.workplane(offset=-84/2).moveTo(67,-37).cylinder(84,31).union(w1.sketch().segment((-60,-98),(12,-98)).segment((12,-36)).segment((14,-36)).segment((14,-47)).segment((57,-47)).segment((57,-36)).segment((100,-36)).segment((100,55)).segment((57,55)).segment((57,85)).segment((14,85)).segment((14,55)).segment((-27,55)).segment((-27,1)).segment((-60,1)).close().assemble().finalize().extrude(-8))