import cadquery as cq
w0=cq.Workplane('YZ',origin=(11,0,0))
r=w0.sketch().segment((-49,-54),(-33,-29)).segment((0,-50)).arc((-28,7),(-49,-54)).assemble().push([(57,59)]).circle(41).finalize().extrude(-90).union(w0.workplane(offset=67/2).moveTo(-85,-87).cylinder(67,13))