Recent developments suggest the use of triply periodic minimal surfaces (such as the gyroid) as a possibility for bone tissue scaffold. Moreover, through functional gradients of cellular structures, the mechanical properties can be edited and enhanced to achieve the most efficient results. One of the main concerns when designing bone scaffold is avoiding stress shielding, which occurs when the Young’s modulus of the implant is higher than the Young’s modulus of the bone it is replacing. If so, bone decay occurs in the surrounding tissue. While the literature possesses some approaches exploring functional gradients of material density, there are no solutions based on bone tissue phenomenological laws. Thus, the gyroid infill obtained with PLA ($E=3145$ MPa) was characterized with mechanical tests, namely tensile and compression, and the obtained model was implemented in a bone remodelling algorithm. Using the natural neighbour radial point interpolation method (NNRPIM) it was found that similar bone density distributions were obtained for the gyroid infill and for bone tissue when subject to the same boundary conditions. Finally, the gyroid mechanical behaviour was extrapolated to other materials and it was concluded that similar properties can be obtained for bone tissue and titanium alloy ($E=110\mathrm{GPa}$) scaffold.

最近的发展表明使用三重周期性最小表面（例如陀螺仪）作为骨组织支架的可能性。此外，通过细胞结构的功能梯度，可以编辑和增强机械性能以获得最有效的结果。设计骨支架时的主要问题之一是避免应力屏蔽，当植入物的杨氏模量高于它所替代的骨骼的杨氏模量时，就会发生应力屏蔽。如果是这样，骨腐烂会发生在周围组织中。虽然文献中有一些探索材料密度功能梯度的方法，但没有基于骨组织现象学定律的解决方案。因此，用PLA获得的gyroid填充物（$乙=3145$ MPa) 以力学测试为特征，即拉伸和压缩，获得的模型在骨重建算法中实现。使用自然相邻径向点插值法 (NNRPIM) 发现，当受到相同边界条件时，回转体填充物和骨组织获得了相似的骨密度分布。最后，将陀螺仪的力学行为外推到其他材料，得出的结论是，骨组织和钛合金可以获得类似的性能。$乙=110\mathrm{GPa}$) 脚手架。