| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,18)) | |
| r=w0.sketch().push([(28.5,27.5)]).rect(43,27).push([(28,28)]).circle(6,mode='s').finalize().extrude(-48).union(w0.sketch().segment((-15,-30),(-6,-30)).segment((-6,-13)).arc((-9,-17),(-14,-19)).arc((-50,-22),(-15,-30)).assemble().reset().face(w0.sketch().arc((-21,-8),(-13,-3),(-6,-8)).segment((-6,9)).segment((-21,9)).close().assemble()).finalize().extrude(12)) |