AutoCAD is an architectural tool that allows you to export flat 2-D shapes to plate processing machines. Its inability to export 3-D shapes, such beams, channels and angles, is where it falls short. AutoCAD exports DWG and DXF DWG files which are great for creating plates.
Voortman CNC Beam coping machine's cuttinghead is an easy, inexpensive oxyfuel head. It utilizes oxygen as well as any fuel of your choosing, including propylene (acetylene), natural gas, and propane. These gases are cheap and readily available at your welding supplier. Welders experienced in hand torch cutting will easily set up the flow rates for the Oxy-Fuel as they are accustomed to.