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This research paper presents results of a study evaluating the influence of multi-level printing process parameters on 3D printed parts in FDM of PLA Plus. In this study, the effects of printing temperature, printing speed along with skirt/brim with and without top/bottom thickness were considered. The investigations show that the measured dimensions are always more than the CAD dimension along the z-direction (height) but dimensions along x- and y-directions (length and width) are less than the CAD dimension and not necessarily equal. The surface roughness fluctuated over independent printing process parameters along with the density. The results show that the Q-Q (quantile-quantile) plot of density is a very impressive and promising method in 3D FDM printing process parameters optimization.

american journal of mechanical engineering

Influence of Multi-Level Printing Process Parameters on 3D Printed Parts in Fused Deposition Molding of Poly(lactic) Acid Plus: A Comprehensive Investigation