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The Recreation of a Human Face Using a Low-Cost Reverse Engineering System

[+] Author Affiliations
C. Jacobsen, A. Dominguez, R. Noorani

Loyola Marymount University, Los Angeles, CA

Paper No. IMECE2014-38830, pp. V02AT02A012; 7 pages
doi:10.1115/IMECE2014-38830
From:
  • ASME 2014 International Mechanical Engineering Congress and Exposition
  • Volume 2A: Advanced Manufacturing
  • Montreal, Quebec, Canada, November 14–20, 2014
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4643-8
  • Copyright © 2014 by ASME

abstract

The primary goal of this research is to evaluate the effectiveness of a low-cost reverse engineering system to recreate a 3D model of a human face. In order to achieve the goal of this research, three key objectives were fulfilled: (1) the first objective was to recreate the physical model of the human face using a low-cost experimental setup (< $5000) using a NextEngine 3D Scanner and Makerbot Replicator 2, (2) the second objective was to investigate the dimensional accuracy at which models can be produced by the system and (3) the third objective was to evaluate the surface finish of the physical models. A chosen test subject had his face scanned several times using several different orientations. From these scans, a model of the face was generated and built using a low-cost Makerbot Replicator 2 Desktop 3D Printer. The dimensional accuracy and surface finish were then measured on the finished product. Three iterations of two different 3D models of the human face were printed using the MakerBot Replicator 2 in order to create a dimensionally accurate model (< 5% error). While it was known that the reverse engineering system could recreate simple objects with easily defined characteristics with minimal error (< 5%) with no holes or other significant imperfections to the surface finish, it was not known how well it would be able to create something as detailed and complex as the human face. The first printed model of the human face was not recognizable as a human face. The second model possessed dimensional errors of up to 33.33%, the third 3D model had dimensional errors less than 4%. The final model showed no holes or other significant imperfections to the surface finish. Further research can be done trying to recreate the fine details and textures of the human face, such as the eyebrows, lip structure and facial hair.

Copyright © 2014 by ASME

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