Advertising Fan

Enjoy a refreshing breeze that stays firmly on brand message.

"The FanScreen works by persistence of vision. As the fan spins, the vane containing the 85 full colour LEDs displays text, graphics and animations." Marketed by Space Writer through local dealers along with such equally cool stuff as iBall, SpaceWriter, SignLine, and WallScreen.

Check out this 1994 CalTech student project called ROPOD, which stands for rotating polar display.
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