Surface Roughness Analysis of Low-cost Metal Material Extrusion Fabricated Parts and Prediction by Machine Learning Methods. X-Disciplinarity, [S. l.], v. 2, n. 1, p. 2, 2026. DOI: 10.63174/xdi.ZVHP5789. Disponível em: https://www.instipub.com/xdi/article/view/84. Acesso em: 6 jun. 2026.