This 3d printing has so many applications, it's certainly going to be one of the most important developments in the coming years. It will change the way we manufacture, create and recycle in countless ways. I'm glad you and others are investing in it .
I'm going to resteem this
On a side note, I see you are a geeky guitarist. I think you'll like this post I made about my guitar making work
https://steemit.com/music/@stillgideon/photos-from-my-guitar-making-workshop-ecotrain