What do you guys think about the advancements in 3D printing in the past 5-10 years? Are they more than you would have expected or do you think they could have advanced faster? 3D Printer inventor Charles Hull has said that he has been quite amazed by some of the inventions within the industry. He is especially amazed by how well 3D printing has advanced in the medical fields. Where do you see 3D printing going in the future? Will it continue to advance at the same rate? What do you think?