| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-7,0,0)) | |
| r=w0.sketch().push([(0,-11)]).circle(19).circle(1,mode='s').finalize().extrude(-43).union(w0.workplane(offset=-22/2).moveTo(0,-11).cylinder(22,6)).union(w0.sketch().segment((-19,-15),(-12,-15)).arc((-9,-20),(-4,-23)).segment((-2,-28)).segment((15,-18)).segment((12,-13)).arc((12,-7),(8,-1)).segment((8,30)).segment((-19,30)).close().assemble().finalize().extrude(57)) |