| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,9)) | |
| r=w0.sketch().segment((-50,2),(-37,-12)).arc((-28,-27),(-14,-37)).segment((-1,-50)).segment((13,-37)).arc((27,-28),(36,-15)).segment((50,-2)).segment((37,12)).arc((28,27),(14,37)).segment((1,50)).segment((-13,37)).arc((-27,28),(-36,15)).close().assemble().finalize().extrude(-19) |