FoldaRap by Emmanuel Gilloz
"The FoldaRap is made with robust aluminium extrusions. All the electronics are safely enclosed in the base, connected via USB. The max build envelope is 140 x 140 x 140 mm. Most important: it can be folded and carried on a bike or shipped in a flight case."
You can support the project here: http://www.ulule.com/foldarap/ !