> For the complete documentation index, see [llms.txt](https://wiki.redmodding.org/cyberpunk-2077-modding/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.redmodding.org/cyberpunk-2077-modding/for-mod-creators-theory/3d-modelling/meshes-and-armatures-rigging.md).

# Meshes and Armatures: Rigging

## Summary

This page will give you a short explanation on why 3d objects are moving.

### Wait, this is not what I want!

* To learn what a rig even is, check [Armatures: .rig files](/cyberpunk-2077-modding/for-mod-creators-theory/files-and-what-they-do/file-formats/armatures-.rig-files.md)
* Maybe you want the [Weight Painting for Gonks](/cyberpunk-2077-modding/for-mod-creators-theory/3d-modelling/meshes-and-armatures-rigging/weight-painting-for-gonks.md) guide?
* For a documentation of the import/export options in Wolvenkit, check [here](https://wiki.redmodding.org/wolvenkit/wolvenkit-app/editor/import-export/models#choosing-rigs-correctly).
* Guides on how to transfer weights between rigs: [blender plugin](/cyberpunk-2077-modding/for-mod-creators-theory/modding-tools/wolvenkit-blender-io-suite.md#transfer-vertex-weights), [youtube video](https://www.youtube.com/watch?v=bR_Vke__voU), [wiki page](/cyberpunk-2077-modding/modding-guides/npcs/custom-facial-piercings-prc-framework.md#weight-painting)

The connection between a mesh and a rig is made via **vertex groups**. Any number of vertices can be assigned to a group, which is then matched to a rig's bone via **name**.

<figure><img src="/files/yOkQKNnqdbiVqLArWoVI" alt=""><figcaption><p>These vertices move with the bone "Spine3"</p></figcaption></figure>

How much every bone influences the vertices is determined by vertex weight, which can be altered in Blender's Weight Paint perspective:

<figure><img src="/files/xuClCU0naG09JYXGsXzy" alt=""><figcaption><p>Weight painting</p></figcaption></figure>

Vertex weights are assigned for every vertex group, and each vertex will move on the basis of the sum of all its weights.

{% hint style="success" %}
To preview the deform in Blender, you can select the mesh's parent armature and enter the "Pose Mode". There, you can either apply an [exported animation](https://wiki.redmodding.org/wolvenkit/guides/modding-community/exporting-to-blender/exporting-rigs-and-anims), or select individual bones and rotate/move them. The **Armature modifier** will morph your mesh according to the pose, letting you spot errors much faster than trying to debug them in-game.
{% endhint %}

{% hint style="info" %}
You can see a video of the process [here](/cyberpunk-2077-modding/modding-guides/npcs.md) (courtesy of Vesna).
{% endhint %}


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