关键词: 3D打印, 熔融沉积成型, 林氏系统, 树状支撑结构, 建模

Abstract: To generate the stability support structure needed by Fused Deposition Modeling (FDM) quickly,and to provide richer and more diverse supports for 3D Printing,a tree-like support structure design method were proposed through analyzing the features of typical tree generative algorithms.The parametric strings were uniformly expressed according to the basic law of L-system.With the improved algorithm of L-system,the generative algorithms of simplest,general monopodial and sympodial branching structure were designed.On the basis of the above theories,the support structure for FDM was designed and implemented.The feasibility and stability of the proposed method were also verified.

Key words: 3D printing, fused deposition modeling, L-system, tree-like supporting structure, modeling