3D Printing

I've been asked to write a piece on technology trends for the coming year. I've been fascinated with 3D printing for a number of years. If you're not familiar with the term, the Wikipedia article on 3D printing is a good place to start. 

To see how interest has grown recently, I decided to go to Google Trends (an excellent resource as well!) and type in "3D Printer". The results are shown below. I think I'm on to something! Now I have a topic, but I still have to write....