| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-40)) | |
| r=w0.sketch().push([(-24.5,-30)]).rect(51,14).push([(-15,-25)]).circle(1,mode='s').finalize().extrude(44).union(w0.sketch().arc((27,37),(5,-5),(50,-19)).arc((30,6),(27,37)).assemble().finalize().extrude(81)) |