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Install

Follow these steps to install izom.PropUI as a Rigify external feature set in Blender.

What you get

When you download izom.PropUI, you get:

  • izom_propui.zip — the feature-set package you install in Blender
  • izom_propui_feature_set_demo_Blender5x.blend — the demo scene
  • LICENSE.txt — the product license

The documentation site is public and available separately.

  1. Open Edit → Preferences.
  2. Go to Add-ons.
  3. Enable Rigify if it is not already enabled.
  4. Click the small menu in the top-right of the Add-ons area and choose Install Feature Set from File....
  5. Select the izom.PropUI ZIP file you downloaded.
  6. Click Add External Feature Set.
  7. Confirm that izom.PropUI now appears in Rigify's available feature sets.

After install: where to find the editor

To open the izom.PropUI editor in Blender:

  1. Select an armature.
  2. Switch to Pose Mode.
  3. Select the bone you want to use as the host bone.
  4. Go to Properties → Bone Properties.
  5. Open Rigify Type.
  6. In Rig Type, select izom.PropUI.

After that, continue with Overview or go straight to Main Panel.

Compatibility notes

  • Designed for Blender 5 and later.
  • The earliest tested version is Blender 4.4.
  • After installation, Blender may show an inline message saying it was made for Blender 5 and later. It still seems to work in 4.4, but compatibility there is not guaranteed.
  • Linux has not been tested yet, but because izom.PropUI does not use external libraries, it should work there as well.

Common install issues

  • Rigify is not enabled — Turn on Rigify first in Edit → Preferences → Add-ons.
  • The wrong file was selected — Install izom_propui.zip, not the .blend demo file and not an already-unzipped folder.
  • The feature set does not appear after install — Reopen the Rigify feature-set list and confirm izom.PropUI appears in the available feature sets.

Installation walkthrough

Install izom.PropUI from Blender Preferences and add it as an external Rigify feature set.