M. J. Carvajal Loaiza, P. Gónzalez Diaz, C. A. Mejía Blandón, L. M. Bustamante Góez, and J. A. Villarraga Ossa, “Influence of the Printing position and the Infill Density on the Mechanical Properties of 3D Printed ABS Specimens”, rev.ing.univ.Medellin, vol. 19, no. 37, pp. 179-193, Mar. 2020.