Zisopol, D.G., Iacob, D.V. and Portoaca, A.I. 2022. A Theoretical-Experimental Study of the Influence of FDM Parameters on PLA Spur Gear Stiffness. Engineering, Technology & Applied Science Research. 12, 5 (Oct. 2022), 9329–9335. DOI:https://doi.org/10.48084/etasr.5183.