| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,6)) | |
| r=w0.sketch().segment((-19,-47),(50,-47)).segment((50,-28)).segment((-10,-28)).segment((-19,-39)).close().assemble().finalize().extrude(-21).union(w0.workplane(offset=8/2).moveTo(-14,16).box(72,62,8)) |