Tensile tests of specimens made of selected group of the filament materials manufactured with FDM methodCezary Grabowik, Krzysztof Kalinowski, Grzegorz Ćwikła, Iwona Paprocka and Paweł KogutMATEC Web Conf., 112 (2017) 04017DOI: https://doi.org/10.1051/matecconf/201711204017