| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-6,0,0)) | |
| r=w0.sketch().segment((-50,-9),(-40,-9)).arc((-28,-29),(-7,-40)).segment((-7,-46)).segment((7,-46)).segment((7,-40)).arc((28,-29),(40,-9)).segment((50,-9)).segment((50,9)).segment((40,9)).arc((28,29),(7,40)).segment((7,46)).segment((-7,46)).segment((-7,40)).arc((-28,29),(-40,9)).segment((-50,9)).close().assemble().finalize().extrude(13) |