A Folding RepRap...

The FoldaRap is an open-source 3d-Printer, easy to assemble, and most important : foldable to bring it anywhere !

See http://www.ulule.com/foldarap/ and http://reprap.org/wiki/FoldaRap for more informations :)

And check the following links for more video/pictures :
http://www.flickr.com/photos/watsdesign/tags/foldarap/
http://www.youtube.com/results?search_query=foldarap&search=tag
http://www.ustream.tv/channel/foldarap