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Processing and 3D printing of Gradient Heterogeneous Bio-Model Based on Computer Tomography Images

Li, Zongan (Jiangsu Key Laboratory of 3D Printing Equipment and Manufacturing, Nanjing Normal University, Nanjing, China ) ; Yang, Jiquan (Jiangsu Key Laboratory of 3D Printing Equipment and Manufacturing, Nanjing Normal University, Nanjing, China ) ; Wang, Qiong (School of Mechanical Engineering, Southeast University, Nanjing, China ) ; Shi, Jianping (Jiangsu Key Laboratory of 3D Printing Equipment and Manufacturing, Nanjing Normal University, Nanjing, China ) ; Zhu, Liya (Jiangsu Key Laboratory of 3D Printing Equipment and Manufacturing, Nanjing Normal University, Nanjing, China ) ; Xu, Rongjian (Jiangsu Key Laboratory of 3D Printing Equipment and Manufacturing, Nanjing Normal University, Nanjing, China ) ; Li, Kelou (School of Mechanical Engineering, Southeast University, Nanjing, China ) ; Tang, Wencheng ;
  • 초록  

    A kind of digitally designing and manufacturing system for the gradient heterogeneous 3-D printing was designed. The molar model of PLY format was composed based on the CT images, and a novel method for the gradient heterogeneous material model designing based on the material distribution control function and the sliced edge rings was proposed. The point color slicing algorithm based on the topological structure was achieved. Based on the system, a gradient heterogeneous dental model was prepared. The algorithm used for constructing and slicing of the molar model could store the geometry and material information effectively, and maintain the compatibility for the heterogeneous 3-D printer. The system supplied a fast and integrating method for the heterogeneous 3-D bio-model printing.


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