This is an on-going project to create a 3D POV-fan. It aims to be a cross between an LED-cube and a POV-fan. Getting the same nice effect as a full-colour LED-cube, but using a rotating PCB and persistence-of-vision to get a much higher resolution, with a much simpler construction.
Contact: Kristian Nielsen <knielsen@knielsen-hq.org>
Links:
LEDs soldered and shining:
The reverse side of the PCB:
Check here for high-resolution pictures of the soldered PCB (to aid in soldering another board).