DXF2GCODE now has drag knife option. The following Link is to a download package that I made up for the program I use to create gcode for the Donek drag knife to cut Redi-Board for making RC model airplanes has now been updated. If you are hobbyist on a low budget it is worth the look. This updated with tips for for cam software that is included, (DXF2GCODE) .I will keep this available until readily available from developers site. this is a zip file, in Windows 7 after you download the file right click on the file and choose to extract. All the software that is included is free to use no strings attached.http://ubuntuone.com/41QpyBkkTxyKiMY5ImKYWz