Below are some images of 3D printing samples of the Free Universal Construction Kit in VeroWhitePlus and VeroGray. The Universal Construction Kit is an effort by Free Art and Technology (F.A.T.) and Sy-Lab to provide compatibility between LEGO blocks, Tinkertoys, K’Nex, Duplo and other proprietary building blocks and toys.
Photos with dark background: Free Art and Technology [F.A.T.] Lab and Sy-Lab. “The Free Universal Construction Kit.” Fffff.at, 20 March 2012. <http://fffff.at/free-universal-construction-kit>.
Photos with light background: PartSnap 3D Printing