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.bekindtopets.com/flash-grab-Red-Dragon-Airwing-Dart-Flights-Standard-Black-Grey-amazing-save/