Zen UV is an advanced add-on for Blender for professional UV mapping. It contains a unique tool called Transform that allows for the manipulation and movement of UVs. It also comes with a Stack System featuring UV Island management and a Relax Operator that provides for the unwrapping of more organic models.

Sergey Tyapkin – Zen UV Blender Features

• Register UVs: You can now use the new Zen UV Gizmo to move, turn, scale, and line up UV entities in 3D and 2D views with ease.
• Texel Control: Handle and manage texel density on the UV islands effectively to supple efficient texture baking.
• Efficient UV Organization: Supports a stack system, trimming your UVs and finishing for better UV storage.
• UV Unwrapping: Contains different methods of exposing your 3d models such as relaxing, unwrapping constraints, matching, and Stitch.
• Integration: Integrates with popular software packages such as UVPackmaster and Hard Ops and has fast support through Discord.

Zen UV Documentation

Image 1: Use It to move, rotate, scale, fit, align, and flip islands in the 3D View and UV Editor.

Image 2: Automatically and manually stack and unstack UV islands to enhance texel density and improve baking results.