import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-40))
r=w0.sketch().arc((-24,25),(39,58),(-22,95)).arc((1,66),(-21,36)).arc((-21,30),(-24,25)).assemble().finalize().extrude(6).union(w0.sketch().segment((-6,-10),(9,-10)).segment((9,42)).segment((-6,42)).arc((5,16),(-6,-10)).assemble().finalize().extrude(66)).union(w0.workplane(offset=80/2).moveTo(-5,-66).cylinder(80,34))