# Surface Roughness in Metal Material Extrusion 3D Printing: The Influence of Printing Orientation and the Development of a Predictive Model

> Research article (Engineering Technology & Applied Science Research, 2023) · cited 12× · AI/ML

**Wikidata**: [openalex:W4387641985](https://www.wikidata.org/wiki/openalex:W4387641985)  
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