> For the complete documentation index, see [llms.txt](https://learn.overlaymr.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://learn.overlaymr.com/dive-deeper/understanding-colliders.md).

# Understanding colliders

{% embed url="<https://youtu.be/UlYLrDyIt-E>" %}

The collider is the physical shape of your model.&#x20;

If what you are trying to model can be represented by a box or a ball, make sure to set its collider to the proper type. It will make a big difference in accuracy and performance.


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