Install

To install this add-on, choose [edit] > [preferences...] > [Add-ons] > [Install...] > choose downloaded ZIP file.

To enable the add-on for future uses, check the box next to its name to enable it.

"Symmetrize UV Util" panel will be appeared in the UV Editor (while a UV map is displayed for editing).

Usage

Blender add-on: Symmetrize Uv Util – Basic usage

Blender add-on: Symmetrize Uv Util – Axis setup