Vicki Holt of Proto Labs via The Huffington Post:  It wasn’t long ago that 3D printing was one of the buzziest technologies around.  We watched as a 3D printer recreated a bust of Stephen Colbert on TV. We heard from industry analysts who were bullish on adoption of the technology. We imagined a future with a 3D printer in every home when major retailers began selling them online and in stores.

Fast forward to today. The potential of 3D printing remains enormous. Global spend on the technology is expected to climb from $11 billion in 2015 to nearly $27 billion in 2019. But with all of the early excitement now behind us, where does 3D printing stand today? And where will it go in the future?  It can be summed up in three key developments.  Cont'd...