BOSTON--(BUSINESS WIRE)--The 3D printing industry is still going from strength to strength. According to the IDTechEx Research report “3D Printing: 2015-2025: Technologies, Markets, Players” this industry is set to grow from $1bn in 2012 to $20bn in 2025. This growth is due to both improvements in existing printing technologies and the development of completely new technologies. Keeping track of these developments is a challenge. IDTechEx have been tracking the 3D printing industry for years by