3D Printer Opinions

3D Printing seems to have crossed a major mile stone in that a start-up, called Defense Distributed, has used a 3D printer to create a working gun. It’s still mostly a curiosity since the cost to make such a gun and that it isn’t yet very robust still keeps it firmly in the early adopter era.

So here’s what I’ve found out so far :

No matter which printer you get, the materials for it are currently over $100 a pound. To me, that makes it fairly impractical for most uses. I could imagine...