Rasterbator

The Rasterbator creates huge, rasterized images from any picture. Upload an image, print the resulting multi-page pdf file and assemble the pages into extremely cool looking poster up to 20 meters in size.

Pretty cool when you put the 'dotted' papers together...a cheap and nice wall poster....

It looks better with more papers and gaps in between to create the 'window' effect...here's a cool example from the website...