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/hot-deal-FLNY-056H-C-p30443-big-deal/