There have been several threads on 3D printing here, and IMO you will see many more in the years to come. I think most people don't realize what a breakthrough 3D printing will be in lots of market/industries.
No one agrees with other people's opinions; they merely agree with their own opinions -- expressed by somebody else. Sydney Tremayne
Retired Jun 2011 at age 57
Target AA: 60% equity funds / 35% bond funds / 5% cash
Target WR: Approx 2.5% Approx 20% SI (secure income, SS only)