About this 3D model

Remix from https://www.thingiverse.com/thing:301982 4 in 1 system for multi colors 3D printingRead more in italian Blog - Immagina e Creahttps://immaginaecrea.wordpress.com/2014/10/13/flusso-canalizzatore-a-4-vie-la-stampa-3d-a-4-colori-e-gia-realta-per-lambiente-reprap-prima-parte/