This is awesome.

http://www.washingtonpost.com/news/speaking-of-science/wp/2014/12/17/meet-derby-the-dog-who-runs-on-3-d-printed-legs/?tid=hpModule_9d3add6c-8a79-11e2-98d9-3012c1cd8d1e&hpid=z11

cool.

https://makezine.com/2014/12/03/3d-scanning-and-printing-the-president/