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Model Toolkit
Mustard edited this page Oct 7, 2026
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The Model Toolkit collects tools to edit a model: armature, outfits, meshes, physics, effects, naming and optimizations.
Documentation version: 2026.10.x
In the add-on settings, enable Show Model Toolkit. The Model Toolkit panel then appears in the MustardUI tab of the Viewport sidebar (press N).
The Model Toolkit is not reserved to creators: users can also use it on any model, with or without a MustardUI configured.
- Most sections (Armature, Outfits, Mesh, Physics, Effects) work on the selected objects, and are available even without a MustardUI model.
- The Model and Optimizations sections are for creators: they are shown only for a MustardUI model in Configuration mode.
- Some tools need to know which model to act on. If Viewport Model Selection is enabled, the panel asks to disable it and select the model in the Model Selection panel.
Tip
Each section has a ? button in its header that opens the related page of this guide.
- Model — Rename Model, Enforce Naming on Data, Rename Image Nodes.
- Armature — IK Spline, Face Controller.
- Outfits — Add Outfit, Add Outfit from File, Export Outfits, Fit to Body.
- Mesh — Transfer Shape Keys, Link Shape Keys, Smooth Shape Key, Transfer Vertex Groups, Select Solid Preview Texture.
- Physics — Jiggle Cages, Hair Cage, Accessory Physics, Bone Physics, Collision Cage and Assign Physics.
- Effects — Squish, Ripple, Sticky Strands, Disintegration, Hex Dissolve, Rope, Tape and Fireball.
- Optimization — Optimize Modifiers, Optimize Shaders, Optimize Shape Keys, Convert Images.
Some tools (Squish, Fit to Body and Smooth Shape Key) start a live preview instead of applying the result immediately:
- Run the tool. The result is shown on the mesh as you change the settings, which appear below the tool button in the Model Toolkit.
- Tweak the settings. Presets can be saved and recalled from the top of the settings box.
- Apply the result, or press Esc to cancel it.
Only one live preview can run at a time.