The code is released under the GNU General Public License.
This is the code is for controlling a 4x4 single color LED Cube.
You can check out a video demonstration of the project here: http://www.youtube.com/watch?v=B-WWk5ZBK34
For more information see my blog post at http://blog.tkjelectronics.dk/2012/12/4x4-arduino-controlled-led-cube/ or send me an email at thomasj@tkjelectronics.dk.