Evaluation of the Mechanical Behavior of PLA Samples Produced by FFF 3D Printing Using Heterogeneous Filling Modes. Revista Brasileira de Iniciação Científica. Published online April 1, 2025:e025004. Accessed September 23, 2026. https://periodicoscientificos.itp.ifsp.edu.br/index.php/rbic/article/view/2231