Predictive Modelling of Surface Roughness in Layered Manufacturing Using H15N5D4B and KH28M6A. V. Ripetskiy, E. V. Mikhailova, D. V. Fedoseev, N. Yu. Temicheva and S. A. SitnikovE3S Web of Conf., 413 (2023) 04017DOI: https://doi.org/10.1051/e3sconf/202341304017