M. J. Mardlotila, M. Trifiananto, D. Dwilaksana, H. A. Basuki, M. N. Kustanto, and I. Hardiatama, “Effect of layer height, infill geometry, nozzle temperature, and fan speed on tensile strength of 3D printing PETG specimens”, INVOTEK, vol. 22, no. 3, pp. 149–158, Oct. 2022.