Zortrax, not long after announcing that sales of their M200 printer had tripled between 2014 and 2015, has stated that their materials sales went up 350% in the same time period. Things are looking good for the Polish company, who recently released their multi-material Inventure printer, which is garnering a lot of interest. They have also added a second US distributor through a partnership with Media Supply Inc. Read more at 3DPrint.com: http://3dprint.com/121352/zortrax-material-sales/