Just saw this on Hackaday.  This sounds pretty cool.  I wonder if it has any known issues though.<div><br></div><div><a href="http://hackaday.com/2012/09/21/3d-printer-filament-made-of-wood/" target="_blank">http://hackaday.com/2012/09/21/3d-printer-filament-made-of-wood/</a></div>