This is my attempt at building the Daft Punk Coffee Table but using the light array implemented in a slightly different context. You can find all the arduino code, schematics, and more good details in the Daft Punk Coffee Table instructable.
The one thing that probably scares people off in attempting to build one of these light matrices is the somewhat tedious task of soldering all the LEDs together. Similarly, if you are trying to build a 3 dimensional LED matrix , even a simple 3 x 3 cube, it requires more patience and skill in soldering together the individual LEDs.
You can buy LOL(lots of lights) shields or prefab LED matrix units but they don't allow you to expand where the LEDs are placed. With this, you can make giant or bigger Game of Life, Pong, Daft Punk Table displays a whole lot easier.
My idea is to do all the wiring on a circuit board and just plug in the LEDs. This allows you to place the LED matrix wherever you want and on whatever you want to use as a substrate. The LEDs would just have a length of extention wire cabled back to the plug-in point. This would allow you to construct soft circuit garments like having a daft punk grid on the back of a jacket or attach up to a grid embedded in a couch cushion. This method would also allow me to embed the LED in things like pingpong balls or bigger glass spheres or bottles to use as a diffuser. Build the art piece first and then place the lights. Routing the LED light cables would not be confined to the matrix pattern needed in a hardwired setup.
This technique will be used with Arduino Sew Easy Wearable Shield.
CAUTION: Learn how to solder safely and work carefully with electronic components.