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. 2018 Sep 5;1:5. doi: 10.1186/s42492-018-0004-3

Fig. 3.

Fig. 3

Lightweight structure design method based on the media axis algorithm. a Origin model. b The media axis. c Restricted centroid voronoi tessellation. d Hexagonal frame. e. Sampling points. f Projection in media axis. g Group nearby points. h Resulting frame. i Connecting results of projection point. j Connecting results of group points. k Adaptive connecting results. l Details of the final structure. m Final frame. n Addictive manufacturing of origin model. o Addictive manufacturing of the lightweight structure [18]