import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,19))
r=w0.sketch().segment((-28,7),(-19,7)).arc((-24,0),(-27,-9)).arc((-22,-10),(-17,-13)).arc((-22,-19),(-25,-26)).segment((-9,-26)).segment((-9,-49)).arc((6,-47),(15,-35)).arc((28,-15),(20,7)).segment((23,7)).segment((23,50)).segment((-28,50)).close().assemble().finalize().extrude(-38)