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2024 | OriginalPaper | Buchkapitel

Influence of the Printing Direction on the Surface Appearance in Multi-material Fused Filament Fabrication

verfasst von : Riccardo Tonello, Md. Tusher Mollah, Kenneth Weiss, Jon Spangenberg, Are Strandlie, David Bue Pedersen, Jeppe Revall Frisvad

Erschienen in: Computer-Aided Design and Computer Graphics

Verlag: Springer Nature Singapore

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Abstract

Multi-material fused filament fabrication (FFF) offers the ability to print 3D objects with very diverse surface appearances. However, control of the surface appearance is largely a matter of trial and error unless the employed materials are very similar and very translucent, so we can think of them as blending together. When the multiple materials are fused into one filament in a diamond hotend extruder but do not blend, the resulting surface appearance depends on the printing direction. We explore how this leads to milli-scale colorations as a function of the printing direction. By having preferable printing directions, it is possible to exploit the limited color blending of this nozzle with multiple inlets and one outlet and further enhance particular color effects, such as goniochromatism. We present a framework based on both experimental and computational fluid dynamics analysis for controlling the extrusion process and the coloration of the surface according to preferable printing directions and mixing ratios with the aim of enabling fused filament fabrication of intricate surface appearances.

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Literatur
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Metadaten
Titel
Influence of the Printing Direction on the Surface Appearance in Multi-material Fused Filament Fabrication
verfasst von
Riccardo Tonello
Md. Tusher Mollah
Kenneth Weiss
Jon Spangenberg
Are Strandlie
David Bue Pedersen
Jeppe Revall Frisvad
Copyright-Jahr
2024
Verlag
Springer Nature Singapore
DOI
https://doi.org/10.1007/978-981-99-9666-7_7

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