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IJAT Vol.10 No.2 pp. 222-230
doi: 10.20965/ijat.2016.p0222
(2016)

Paper:

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Fractals and Additive Manufacturing

A. M. M. Sharif Ullah*1,†, D. M. D’Addona*2, Khalifa H. Harib*3, and Than Lin*4

*1Department of Mechanical Engineering, Kitami Institute of Technology
165 Koen-cho, Kitami, Hokkaido 090-8507, Japan

†Corresponding author,

*2Department of Chemical, Material, Production, and Industrial Engineering, University of Naples Federico II
Piazzale Tecchio 80, 80125 Naples, Italy

*3Department of Mechanical Engineering, United Arab Emirates University
P.O. Box 15551-Al-Ain, UAE

*4School of Engineering and Technology, Asian Institute of Technology
P.O. Box 4, Klong Luang, Pathumthani 12120, Thailand

Received:
October 1, 2015
Accepted:
December 8, 2015
Online released:
March 4, 2016
Published:
March 5, 2016
Creative Commons License
Keywords:
fractal geometry, additive manufacturing, point-cloud, convex-concave-hull, non-contact measurement
Abstract
Fractal geometry can create virtual models of complex shapes as CAD data, and from these additive manufacturing can directly create physical models. The virtual-model-building capacity of fractal geometry and the physical-model-building capacity of additive manufacturing can be integrated to deal with the design and manufacturing of complex shapes. This study deals with the manufacture of fractal shapes using commercially available additive manufacturing facilities and 3D CAD packages. Particular interest is paid to building physical models of an IFS-created fractal after remodeling it for manufacturing. This article introduces three remodeling methodologies based on binary-grid, convex/concave-hull, and line-model techniques. The measurements of the manufactured fractal shapes are also reported, and the degree of accuracy that can be achieved by the currently available technology is shown.
Cite this article as:
A. Ullah, D. D’Addona, K. Harib, and T. Lin, “Fractals and Additive Manufacturing,” Int. J. Automation Technol., Vol.10 No.2, pp. 222-230, 2016.
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