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Originally shared by Sergio Lottaroli3-D printing enters the fourth dimension![](http://www.nature.com/polopoly_fs/7.7226.1351772226!/image/3d%20puzzle%201.jpg_gen/derivatives/box_118/3d%20puzzle%201.jpg)
3-D printing enters the fourth dimension
![](http://www.nature.com/polopoly_fs/7.7226.1351772226!/image/3d%20puzzle%201.jpg_gen/derivatives/box_118/3d%20puzzle%201.jpg)
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+1'd by: Susanta Dutta, Michael Velik
This post was originally on Google+
This post was originally on Google+