While 3D Systems (DDD 2.31%) has long been a reliably exciting stock due to the huge amount of potential 3-D printing has in the manufacturing world, the stock has also been somewhat inflated due to high investor expectations. Recently, it took a hit. In this video, Motley Fool industrials analyst Blake Bos tells us about a new competitor on the horizon for 3D Systems, and why it may have several competitive advantages.