Over the past five years there has been tremendous growth in the 3-d printing technology landscape. What used to be a small industry built around hobbies has blossomed into a full-fledged, world-changing market that is driving down costs. We’ve already explored the explosive growth of this technology and some possible uses here, so once you’ve read that check out the infographic below on what those technologies look like and how boundaries are being pushed, especially at places like Northrop Grumman.