import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,27,0))
r=w0.sketch().arc((-65,-53),(28,-68),(-57,-25)).arc((-88,-30),(-65,-53)).assemble().push([(-17,-53)]).circle(43,mode='s').finalize().extrude(-101).union(w0.sketch().arc((-23,27),(21,15),(8,-29)).arc((85,1),(49,75)).arc((37,100),(22,76)).arc((-9,59),(-23,27)).assemble().finalize().extrude(48))