import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,2,0))
w1=cq.Workplane('YZ',origin=(-28,0,0))
r=w0.sketch().segment((21,0),(21,6)).segment((42,6)).segment((42,-13)).segment((28,-13)).arc((61,-13),(64,20)).arc((54,16),(55,27)).arc((29,24),(21,0)).assemble().finalize().extrude(-48).union(w0.sketch().push([(10,-97)]).rect(38,6).push([(10,-96.5)]).rect(4,5,mode='s').finalize().extrude(-17)).union(w1.workplane(offset=128/2).moveTo(14,-38).cylinder(128,32))