I just got the new Model Aviation and noticed an ad for "emachineshop.com" Pretty novel concept. You go to their website, download & install their CAD software, draw your latest gizmo, choose it's material and machine tool(s) of choice, get an automatic price quote and email them your order for a gazillion new widgets! I downloaded the CAD program and so far it looks pretty good. Doesn't save as .dxf though.