LED cubes are all the rage right now. High-end hardware capable of driving large arrays keeps getting cheaper in price, and 3D printers and ... seeing the builds on display, [Sebastian] wanted ...

and the LED matrix displays are just 8×8 arrays of red/green LEDs, each driven by a HT16K33 LED controller IC. The enclosure and stand are both 3D-printed, and a PCB not only mounts the ...