This study aims to describe the numerical modeling and nonlinear finite element analysis of typical spinal braces as a first step towards optimizing their topology for 3D printing. Numerical simulation was carried out in Abaqus CAE software Version 2021. utilizing a CAD (Meshmixer Version 3. 5. https://www.lightemupsequences.com/save-big-Playstation-5-Console-Disc-Version-Playstation-5-Used-Complete-in-box-p30507-amazing-save/