In Feb., 2013, President Obama indicated that 3D printing is a revolution of manufacturing,and claimed to establish more than 15 “3D printing research centers” in USA.
What is 3D printing?
In recent years, we often learned news reports about 3D printing - building houses, prosthetic arms, chocolate cakes, or even human kidneys, etc.
Yes, 3D printing has started becoming a part of our life, just like the computers happened 30 years ago.