Traditional flexure hinges are designed by using a single material. and their performance is inadequate. compared to the ideal hinge. This paper presents a topology-optimization design method for multi-material flexure hinges based on the element stacking method. https://www.hindigyanvishv.com/quick-find-ULTRA-VIOLETTE-Sheen-Screen-SPF-50-Hydrating-Lip-Balm-great-save/