期刊
ACM TRANSACTIONS ON GRAPHICS
卷 38, 期 1, 页码 -出版社
ASSOC COMPUTING MACHINERY
DOI: 10.1145/3269979
关键词
Transforming structures; computational fabrication; folding; motion planning
资金
- National Science Foundation of China [61725204, 61432003, 61521002, 61661130156]
- Royal Society-Newton Advanced Fellowship [NA150431]
In this article, we introduce a novel method that can generate a sequence of physical transformations between 3D models with different shape and topology. Feasible transformations are realized on a chain structure with connected components that are 3D printed. Collision-free motions are computed to transform between different configurations of the 3D printed chain structure. To realize the transformation between different 3D models, we first voxelize these input models into a similar number of voxels. The challenging part of our approach is to generate a simple path-as a chain configuration to connect most voxels. A layer-based algorithm is developed with theoretical guarantee of the existence and the path length. We find that collision-free motion sequence can always be generated when using a straight line as the intermediate configuration of transformation. The effectiveness of our method is demonstrated by both the simulation and the experimental tests taken on 3D printed chains.
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