Could there be a better way? Of course there could, and [Sasa Karanovic] thought he had it all figured out with this PCB-based LED cube. At first glance, it seems to make perfect sense ...

The device is able to quickly move the LEDs back and forth quietly and efficiently thanks to a permanent magnet and magnetic coils integrated into the flexible PCB. With no motors or gears ...

Integrated voltage regulators allow the PCB design to simplify the PDN by being placed as close as possible to the load, ...