import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-23))
r=w0.sketch().push([(24,48)]).rect(82,38).push([(23,37)]).circle(5,mode='s').finalize().extrude(15).union(w0.sketch().segment((-53,-78),(-49,-78)).segment((-49,-85)).segment((6,-85)).segment((6,-78)).segment((8,-78)).segment((8,-73)).arc((11,-71),(14,-68)).segment((14,-100)).segment((64,-100)).segment((64,-19)).segment((32,-19)).arc((30,-11),(27,-3)).arc((52,92),(-24,29)).segment((-49,29)).segment((-49,23)).segment((-51,23)).segment((-51,17)).arc((-76,-27),(-53,-72)).close().assemble().reset().face(w0.sketch().segment((-4,29),(6,29)).segment((6,22)).segment((9,22)).segment((9,17)).arc((16,11),(22,4)).segment((51,4)).segment((51,92)).segment((-4,92)).close().assemble(),mode='s').finalize().extrude(46))