# Data Preparation Fundamentals

> Core concepts for CAD/3D data preparation and optimization in Asset Transformer Studio

Asset Transformer Studio is a powerful tool allowing you to convert, prepare and optimize versatile, complex and large CAD/3D data.

To use it to its maximum extent, refer to the following topics to learn more about all the main concepts around CAD/3D data preparation and optimization:

* [About 3D Models Types](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-3d-models-types.md)
* [Typical Data Preparation Workflow](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/typical-data-preparation-workflow.md)
* [About Tessellation](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-tessellation.md)
* [About Decimation](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-decimation.md)
* [About the Product Structure (Tree)](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-the-product-structure-tree.md)
* [About Occurrences](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-occurrences.md)
* [About Instances & Prototypes](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-instances-and-prototypes.md)
* [About Face and Vertex Normals](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-face-and-vertex-normals.md)
* [About Animation](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-animation.md)