The Vortex-RC 4 Axis Hot WIre CNC is built using Precision laser cut MDF interlocking parts and uses drawer slides/threaded rods to keep the costs low.
Full 4 Axis operation and 750MM operation in X-Z Axis and 450 MM in Y-A Axis helps you create any airfoil or wing , including tapered flying wings.
For more information Visit : http://www.vortex-rc.com/41-4-axis-diy-hot-wire-cnc/196-4-axis-diy-hot-wire-cnc-for-rc-hobbyists-aeromodellers-and-designers.html