Dynamic Extrusion Control in Spot Deposition Modeling for Porous 3D Clay Structures

Author:

Tabakova Vesela1ORCID,Klug Christina1ORCID,Schmitz Thomas H.1

Affiliation:

1. Department of Visual Arts, Faculty of Architecture, RWTH Aachen University, Schinkelstr. 1, 52062 Aachen, Germany

Abstract

The dynamic state of the viscous clay in Liquid Deposition Modeling (LDM) often leads to discrepancies between the digital model and the resulting physical object. This emergent behavior can be harnessed to produce complex physical structures that would not be possible with other methods. This study takes advantage of the viscous state and tensile strength of the extruded clay strand to explore the impact of dynamic extrusion and deformations through travel paths in LDM to manufacture complex porous physical structures. The effects of these parameters are discussed in two case studies: (1) regular and semi-random Spot Deposition surfaces with either open or thickened regions, and (2) porous 3D lattice structures created through the controlled bending of vertical extrusions. The achieved higher geometrical complexity of objects through the algorithmically programmed alternations in the sequence and rate of material deposition allows for a wide range of buildup approaches that expand the production spectrum of sustainable small- and large-scale elements.

Publisher

MDPI AG

Subject

Materials Science (miscellaneous),Ceramics and Composites

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5. Mohite, A., and Kotnik, T. (2019, January 11–13). Speed of Deposition: Vehicle for structural and aesthetic expression in CAM. Proceedings of the International Conference on Education and Research in Computer Aided Architectural Design in Europe: Architecture in the Age of the 4th Industrial Revolution, Porto, Portugal.

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