http://www.popsci.com/category/tags/3d-printing http://www.popularmechanics.com/technology/how-to/tips/how-to-get-started-3d-modeling-and-printing http://live.wsj.com/video/is-3d-printing-the-way-of-the-future/7950BA64-FAEC-4C4C-A4B4-8E5994C25144.html#!7950BA64-FAEC-4C4C-A4B4-8E5994C25144 http://online.wsj.com/article/PR-CO-20120628-907060.html http://online.wsj.com/article/SB10001424052702304373804577524940666273890.html?mod=googlenews_wsj#slide/1
I've seen articles in PopSci, PopMech, and the WSJ within the last three months on open source 3D printing. It is going mainstream fast.
Keep an eye out for 3D scanning to start becoming popular too.
http://www.popsci.com/category/tags/3d-printing
http://www.popularmechanics.com/technology/how-to/tips/how-to-get-started-3d-modeling-and-printing
http://live.wsj.com/video/is-3d-printing-the-way-of-the-future/7950BA64-FAEC-4C4C-A4B4-8E5994C25144.html#!7950BA64-FAEC-4C4C-A4B4-8E5994C25144
http://online.wsj.com/article/PR-CO-20120628-907060.html
http://online.wsj.com/article/SB10001424052702304373804577524940666273890.html?mod=googlenews_wsj#slide/1