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3d-io - Code Plugins - Dec 23, 2022
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UV-Packer is a free, fast and exact tool for automatic packing of UV maps.

  • Supported Platforms
  • Supported Engine Versions
    5.0 - 5.3
  • Download Type
    Engine Plugin
    This product contains a code plugin, complete with pre-built binaries and all its source code that integrates with Unreal Engine, which can be installed to an engine version of your choice then enabled on a per-project basis.

UV-Packer for Unreal Engine is a free, fast and exact tool for automatic packing of UV maps. UV-Packer optimally packs even massive geometries with a single click without the need to leave Unreal Engine or reimport assets. 

The main advantage of UV-Packer is the automatic workflow of rescaling UV clusters relative to the surface they cover on the mesh and arranges them to utilize as much space on the UV map as possible. This increases the texture quality for the mesh, fixes overlapping UV and results in optimized light maps.

For more information about UV-Packer and how to use it you can find the documentation here:

Technical Details


  • Accessible - One click UV packing directly from within the Static Mesh Editor.
  • Fast - High performance for massive geometries and large numbers of UV charts. 
  • Customizable - Options for uniform scaling, padding and rotation steps.
  • Robust - No overlaps, tolerance for damaged meshes.
  • Reliable - Stress-tested on millions of assets and polished in heavy production environments.
  • Automatable - Includes blueprint for custom editor utilities.

Code Modules: UVPacker (Editor), UVPackerLib (External)

Number of Blueprints: 1

Number of C++ Classes: 12

Network Replicated: No

Supported Development Platforms: Win64

Supported Target Build Platforms: All