import cadquery as cq
w0=cq.Workplane('YZ',origin=(-16,0,0))
w1=cq.Workplane('XY',origin=(0,0,-20))
r=w0.sketch().segment((7,-96),(10,-100)).segment((16,-96)).close().assemble().reset().face(w0.sketch().segment((68,-8),(77,-8)).segment((74,-3)).close().assemble()).reset().face(w0.sketch().arc((80,-18),(88,-29),(93,-43)).segment((99,-38)).segment((80,-12)).close().assemble()).finalize().extrude(-54).union(w0.sketch().arc((2,-51),(4,-50),(5,-48)).segment((2,-48)).close().assemble().finalize().extrude(-23)).union(w1.sketch().segment((-52,-77),(-35,-77)).arc((9,-99),(54,-77)).segment((70,-77)).segment((70,-9)).segment((54,-9)).arc((9,13),(-35,-9)).segment((-52,-9)).close().assemble().push([(9,-42.5)]).rect(64,77,mode='s').finalize().extrude(120))