FLUX CAPACITOR - 3D colors printing with a single hotend

Summary Dualstrusion and (next step) multistrusion in a single hotend. Work in progress Immagina e Crea italian blog - "free Flux capacitor project" http://immaginaecrea.wordpress.com/2014/04/17/il-flusso-canalizzatore-stampa-3d-a-piu-colori-singolo-ugello/ Video First step https://www.youtube.com/watch?v=yBWdgMddcVs Second step https://www.youtube.com/watch?v=OKU5ZYAYz1g "OBSOLETE" - See http://www.thingiverse.com/thing:498922