import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-31))
r=w0.sketch().segment((-99,89),(-41,25)).segment((-82,-26)).segment((-19,-77)).segment((32,-14)).segment((27,-10)).segment((99,-10)).segment((99,26)).segment((21,26)).segment((21,-5)).segment((-28,35)).segment((-87,100)).close().assemble().push([(-25,-20)]).circle(31,mode='s').finalize().extrude(-9).union(w0.sketch().push([(-74,-85)]).circle(15).circle(10,mode='s').finalize().extrude(71))