Polymer Composite Manufacturing by FDM 3D Printing Technology Katarzyna Bryll, Elżbieta Piesowicz, Paweł Szymański, Wojciech Ślączka and Marek Pijanowski MATEC Web Conf., 237 (2018) 02006 Published online: 26 November 2018 DOI: 10.1051/matecconf/201823702006