Sat, 18 May 2013 16:56:32 GMT Ponoko - All items tagged with Penrose Triangle http://www.ponoko.com/showroom/Dizingof/8527 The impossible triangle made possible with 3D Printing. http://en.wikipedia.org/wiki/Penrose_triangle An eye catcher pendant. Note the optical illusion.. Turntable GIF: http://i1080.photobucket.com/albums/j322/dizingof/Album2/3D-Penrose-Triangle-Pendant-by-dizingofanigif.gif Purchase this design file, upload it to your Ponoko account then 3D Print it with your favorite material. <br></br><img alt="3d-penrose-triangle-pendant-by-dizingof" src="http://static3.ponoko.com/design_images/images/18512/9dc8b064-2347-3f12-0745-97477f4dc6cd/3d-penrose-triangle-pendant-by-dizingof.6009-a390x390_showroom_image.jpg?1345314506" /> Sat, 18 Aug 2012 20:53:25 GMT http://www.ponoko.com/showroom/Dizingof/8527?time=Sat+Aug+18+17%3A23%3A13+UTC+2012 Dizingof