According to most analysts, the 3D printing market is expected to grow by leaps and bounds over the coming years. Experts say that the worldwide shipments of 3-D printers in 2015 will more than double from 2014. Staggering as the forecast is, they say even those numbers will be a small fraction of the total potential market. According to a forecast by Canalys, the size of the 3-D printing market ...