3-D printed nipples for breast cancer survivors http://www.nbcnews.com/watch/cnbc/3-d-printed-nipples-for-breast-cancer-survivors-462268483577 In the future, you will be able to 3d-print any part of your body. Not just for medical reasons, but for vainity reasons. And, it will be done using your own stem cells so there won't be any rejection by your immune system. Breat implants, penis enlargement, wigs, etc all artificially done now, will be a thing of the past.