Why The Future Of 3D Printing Is In 'Multi-Material Printing' By: Benzinga via Benzinga September 02, 2015 at 14:20 PM EDT The 3D printing space has been filled with ups and downs as investors wait for the next big revolution. It's been a slow process, ... Read More >> Related Stocks: Bio-Techne Corp Ford Motor Forward Inds Inc G6 Materials Corp