Silicon Desert Insider: What’s so exciting about metal 3-D printing anyway?

The ability to take a model of some object on a computer and make a physical copy with one machine, 3-D Printing or Additive Manufacturing, has been around for more than twenty-five years.  Recently, the bug noise in 3D Printing has been around metal 3D Printing.  It is a big deal, and in “What’s so exciting about metal 3-D printing anyway?” I explain why engineers are so head-over-heals for this new capability.