| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-14)) | |
| r=w0.sketch().arc((-11,-5),(0,-3),(-3,-13)).arc((13,10),(-11,-5)).assemble().push([(1,6)]).circle(6,mode='s').finalize().extrude(-32).union(w0.sketch().segment((-50,-8),(-26,-8)).segment((-22,-20)).segment((16,-8)).segment((50,-8)).segment((50,40)).segment((-50,40)).close().assemble().finalize().extrude(41)).union(w0.sketch().push([(3,0)]).circle(40).circle(8,mode='s').finalize().extrude(61)) |