Manufacturing Technology 2025, 25(4):489-499 | DOI: 10.21062/mft.2025.058

Geometric Accuracy of Elements Made Using the FFF Method from Selected Polymers with Different Internal Structure Densities

Małgorzata Gontarz-Kulisiewicz ORCID..., Jacek Bernaczek ORCID..., Mariusz Dębski ORCID...
Faculty of Mechanical Engineering and Aeronautics, Rzeszów University of Technology. Al. Powstańców Warszawy 12, 35-959 Rzeszów, Poland

Due to their availability and ease of use, additive techniques are experiencing dynamic development. This applies to both the industrial sector and individual recipients. The authors of numerous publications address in their research the subject of the influence of selected printing process parameters on the strength of models, usually made using selected MEX (Material Extrusion) methods. Among the MEX methods, the most frequently chosen are the FFF (Fused Filament Fabrication) and FDM (Fused Deposition Modeling) methods. This is due to the high availability and low cost of devices using the methods mentioned above and the high availability of polymer materials. In their research, the authors increasingly consider the influence of the internal structure of the samples and their density on selected strength parameters, often without considering whether they affect the geometric accuracy of sample mapping. For the above reasons, it was decided in the article to conduct research covering the indicated subject using the example of standardized samples made of six selected polymers used in the FFF method.

Keywords: MEX method, FFF method, Internal structure, Geometric accuracy, 3D printing

Received: May 18, 2025; Revised: October 15, 2025; Accepted: October 16, 2025; Prepublished online: November 6, 2025; Published: November 11, 2025  Show citation

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Gontarz-Kulisiewicz M, Bernaczek J, Dębski M. Geometric Accuracy of Elements Made Using the FFF Method from Selected Polymers with Different Internal Structure Densities. Manufacturing Technology. 2025;25(4):489-499. doi: 10.21062/mft.2025.058.
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