| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,-19,0)) | |
| w1=cq.Workplane('ZX',origin=(0,0,0)) | |
| r=w0.workplane(offset=39/2).moveTo(0.5,-37.5).box(71,25,39).union(w1.sketch().segment((-39,-31),(12,-31)).segment((12,-16)).arc((31,38),(-26,29)).segment((-39,29)).close().assemble().push([(5,17)]).circle(28,mode='s').finalize().extrude(-2)) |