Build your own multitouch display

If you look back in the archives you will find is this post about new GUI ideas, including a multitouch display. With the release of the iPhone and the Micro$oft multitouch table there is some interest in making a DIY multitouch display to physically interact with your files, pictures, music, etc.

When browsing yesterday I ran across this Instructable about making a DIY multitouch table using some IR LEDs and an LCD projector. The theory behind the acrylic reflection is really cool and documented and there are even multitouch libraries out there to handle the input for multiple points.

So if you have some time and cash and want a multitouch display on the cheap then take a look!

Interactive Multitouch Display

UPDATE:
Here is another multitouch Instructable - Mini-Multitouch Interface

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