2026. Simulation-Based Optimization of 3D-Printed PLA Octet-Truss Lattices Reinforced with Directionally Aligned Recycled Steel Fibers Using ANSYS. iJournals:International Journal of Software & Hardware Research in Engineering ISSN:2347-4890. 14, 10 (Nov. 2026). DOI:https://doi.org/10.26821/ijshre.14.10.2026.141002.