Near Support-free Multi-directional 3D Printing via Global-optimal Decomposition

Yisong Gao Lifang W Dong-Ming Yan Liangliang Nan

Geometric Analysis and Geometric Topology Geometric Modeling and Processing arXiv subject: Geometric Topology (math.GT) mathscidoc:2106.15001

Graphical Models, 104, (101034), 2019.7
In 3D printing, it is critical to use as few as possible supporting materials for efficiency and material saving. Multiple model decomposition methods and multi-DOF (degrees of freedom) 3D printers have been developed to address this issue. However, most systems utilize model decomposition and multi-DOF independently. Only a few existing approaches combine the two, i.e. partitioning the models for multi-DOF printing. In this paper, we present a novel model decomposition method for multidirectional 3D printing, allowing consistent printing with the least cost of supporting materials. Our method is based on a global optimization that minimizes the surface area to be supported for a 3D model. The printing sequence is determined inherently by minimizing a single global objective function. Experiments on various complex 3D models using a five-DOF 3D printer have demonstrated the effectiveness of our approach.
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@inproceedings{yisong2019near,
  title={Near Support-free Multi-directional 3D Printing via Global-optimal Decomposition},
  author={Yisong Gao, Lifang W, Dong-Ming Yan, and Liangliang Nan},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20210621151515927260842},
  booktitle={Graphical Models},
  volume={104},
  number={101034},
  year={2019},
}
Yisong Gao, Lifang W, Dong-Ming Yan, and Liangliang Nan. Near Support-free Multi-directional 3D Printing via Global-optimal Decomposition. 2019. Vol. 104. In Graphical Models. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20210621151515927260842.
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