# Mesh Reduction

After merging, or if you have massive static meshes, you can still do post-processing on them to limit the impact on performance.

* Weld , Jacket and clean mesh with modelingtools.
* Reduce the number of material slots
* Reduce the number of triangles and test reducing the number of triangles by percentage (simplygon is super powerful and allows very large reductions in the number of triangles without visible changes)
* Prefer to separate the transparency of your merges in order to be able to make high-quality proxies, or HLOD.

Some tools are available to perform these operations (WARNING: these are prototypes, be careful with the result).

<figure><img src="/files/Dd22sFcjgav3rZ3yub7W" alt=""><figcaption></figcaption></figure>


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