Zisopol, D.G. et al. 2021. A Theoretical and Experimental Research on the Influence of FDM Parameters on Tensile Strength and Hardness of Parts Made of Polylactic Acid. Engineering, Technology & Applied Science Research. 11, 4 (Aug. 2021), 7458–7463. DOI:https://doi.org/10.48084/etasr.4311.