| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(11,0,0)) | |
| r=w0.workplane(offset=-21/2).moveTo(-44,-20).cylinder(21,6).union(w0.sketch().segment((-12,-12),(17,-12)).arc((41,-17),(48,7)).segment((48,9)).segment((47,9)).arc((36,16),(22,14)).segment((22,26)).segment((-12,26)).close().assemble().push([(34,10)]).circle(3,mode='s').finalize().extrude(-9)) |