by Maro3D·Workflow
Images © Maro3D. Used for product review; image policy.
Vertex Group Assistant earns its place in the Blender extensions library as a focused rigging toolset. It began life as VRChat Outfit Helper and was reuploaded under a more general name with added features, following feedback that the tools are useful beyond VRChat work.
Vertex Group Assistant is a Blender add-on by Maro3D that simplifies transferring vertex groups, weight paint, and armatures between objects. It's built specifically for outfit creation for VRChat avatars.
The Transfer Vertex Groups operation moves vertex groups from the active object and parents the selected objects to the active object's armature, and it can handle multiple targets at once. Two cleanup operations round out the toolset: Delete Unused Vertex Groups removes groups with no weight assignments, and Delete Unused Bones strips bones not associated with any vertex group, with an option to duplicate the armature before making changes. All functions live under Object > Vertex Groups > Vertex Group Assistant.
Version 1.0.2 is a reupload of a previous extension formerly called VRChat Outfit Helper, given a more general name and additional suggested features. The add-on requires no special permissions and is released under the GNU General Public License v3.0 or later.
Vertex Group Assistant is best for blender artists preparing outfits and clothing rigging for VRChat avatars, and anyone transferring vertex groups, weight paint, and armatures between objects.
Vertex Group Assistant is completely free to download and use.
Vertex Group Assistant is compatible with Blender 4.2 LTS and newer, so a current Blender release will run it. The add-on is written entirely in Python and requires no special permissions to install or use. Version 1.0.2, published in January 2025, is the release listed here. Because it targets 4.2 and later, older Blender builds are not covered, so it's worth confirming your Blender version before installing to avoid compatibility issues.
Vertex Group Assistant installs like a standard Blender add-on. Download the zip file, then open Blender and go to Edit > Preferences > Add-ons, click Install, and select the downloaded zip. Enable the add-on by checking the box next to its name. You can also drag and drop the file into Blender to install it. Once enabled, its functions appear under Object > Vertex Groups > Vertex Group Assistant in the menus.
Vertex Group Assistant is released under the GNU General Public License v3.0 or later, and its source is available on the developer's GitHub page. The add-on requires no special permissions in Blender to run. Version 1.0.2 is the release listed here, and it's listed as free to download. For the current terms and any usage details, check the developer's page linked with this listing.
Vertex Group Assistant is listed as free to download here, and it's distributed under the GNU General Public License v3.0 or later. It carries no special permission requirements in Blender. Downloads on the Blender extensions site have passed ten thousand, and it holds a small number of user ratings. For the most current licensing and download details, refer to the developer's page linked with this listing.
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