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## Description / English
Limb Fit is a Unity tool for adjusting arm and leg lengths on VRChat Humanoid avatars.
Set the upper arm, forearm, thigh and lower leg separately. You can enter a percentage of the original length or the distance between joints in centimetres. There’s also a single control for both leg segments. The left and right sides use the same ratio, so any existing asymmetry stays in proportion.
If you’re fitting the avatar to yourself, enter your height and limb measurements. You can match your proportions at the avatar’s scale or use the exact lengths you entered. Drag the head and sole guides in Scene view to set the avatar’s reference height.
### How to use it
1. Import the .unitypackage and add one **Avatar Proportions** component to the avatar root or an empty child.
2. Open **Fit** to see the original lengths and adjust them. To work from your measurements, start in **Setup**.
3. Build a copy from **Preview** and check how your clothes, shoes, wrists and ankles look. Upload the original avatar with the component attached.
The changes apply at build time, so your source model files stay intact. You can also keep the ankles at the same average height when changing leg length, and have the VRChat viewpoint follow the head.
### Requirements
Target environment: Unity 2022.3.22f1, VRChat Avatars SDK, NDMF 1.14.8 and Modular Avatar 1.18.7. The avatar needs a Humanoid Animator, a VRChat Avatar Descriptor and the same positive scale on all three root axes. Each segment can end up between 50% and 150% of its original length.
Clothing fit and joint deformation depend on the model’s skin weights. Check the preview and test the result in VRChat. PhysBones and colliders may need manual adjustment.
The download contains the Unity tool (.unitypackage). The avatars and outfits in the images are examples.
### Terms of use
- Buyers may use Limb Fit for personal and commercial work and modify the tool for their own use.
- You may upload adjusted avatars publicly to VRChat, use them in streams or videos, and use the tool for paid avatar commissions, subject to the licenses of the original avatars, outfits and other assets.
- Do not share, redistribute or resell Limb Fit or its files, including modified copies. Keep the tool files out of Unity projects or avatar packages you distribute or sell.