The other day I built a 3×3×3 LED cube, following the excellent instructable by gzip . Now that I have drifted away a little bit from the Arduino platform, and, mostly for the ridiculously cheap PICAXE-08M, have looked into the PICAXE platform, I have decided to port my LED cube over to a 3V PICAXE-20X2 microcontroller.

Before doing that, I wanted to more thoroughly understand the procedural approach to LED patterns that gzip used in his design, so I programmed a litte LED cube simulator in Javascript: