5 trends to watch for in 3D printing in 2015 | VentureBeat | Gadgets | by Zack Schildhorn, Lux Capital: "It’s been a fast-paced year for 3D printing, with more capital, more companies, and more big ideas than ever. Behind the scenes, we’ve witnessed no fewer than 50 new ventures raising money in the 3D printing sector."A bizarre and exciting field.