Multi-axis 3D printing of spiral parts without support structures. Journal of Additive Manufacturing Technologies, [S. l.], v. 1, n. 2, p. 558, 2021. DOI: 10.18416/JAMTECH.2111558. Disponível em: https://development.journals.infinite-science.de/index.php/jamtech/article/view/558. Acesso em: 27 may. 2026.