by Hodgson3d·Workflow
Images © Hodgson3d. Used for product review; image policy.
Grid Layout earns its place in the blender_extensions library for focusing on UDIM-heavy UV work, bundling stacking, shifting, selection and texel density tools into a single add-on of about 30 KB.
Grid Layout is a UV layout add-on for Blender, built by Hodgson3d to ease the process of UVing high-res assets that span many UDIMs. Models in VFX often contain hundreds of UDIMs, and laying out repeating objects, translating and selecting large amounts of UDIMs can slow work down substantially.
The add-on centers on a set of dedicated operators. UnStack arranges repeating objects' UVs into a clean layout, building vertical columns and shifting horizontally when a column fills, then continuing into the next UDIM if the objects exceed one tile. Stack brings UVs back on top of each other for global adjustments. Shift UVs moves large numbers of UDIM tiles while respecting UDIM limits, and Fill UDIM Selection selects UDIMs from any selected component. A Get/Set Texel Density tool samples and sets texel density using a unified or individual scale.
Grid Layout runs on Blender 4.2 LTS and newer and is released under the GNU General Public License v3.0 or later. It sits at rank 398 in the blender_extensions library.
Grid Layout is best for laying out and adjusting UVs on high-res VFX assets that span many UDIM tiles in Blender.
Grid Layout is completely free to download and use.
Grid Layout is compatible with Blender 4.2 LTS and newer, so the 4.2 LTS release and later versions are covered. The add-on ships as an extension of about 30 KB and requires no special permissions to run. You can add it by dragging and dropping the download into Blender, or by installing it from disk through Blender's extension preferences. Support for versions older than 4.2 LTS is not indicated, so check the developer's page if you are on an earlier build.
Grid Layout can be installed by dragging and dropping the add-on file into Blender, or by downloading it and choosing Install from Disk in Blender's extension preferences. It is distributed as an extension of roughly 30 KB and requires no special permissions once added. After installation, the tools for laying out, stacking, shifting and selecting UVs become available for your UV work. The current release is version 1.5.8, following its original publication on December 6th, 2024.
Grid Layout is built around UDIM workflows. Its UnStack tool arranges repeating objects' UVs into columns and continues into the next UDIM when the objects exceed one tile, while Shift UVs moves large numbers of UDIM tiles and respects UDIM limits. Fill UDIM Selection lets you select UDIMs by picking any component inside them and running the tool. These UDIM-focused tools target high-res assets that can span hundreds of tiles.
Grid Layout added UV sync handling in version 1.5.8. The Fill UDIM Selection operator now works with UV sync on and off, and the Shift UVs operator now works with UV sync on and off as well. This means you can select and shift UDIMs regardless of the sync setting in Blender's UV editor. That update carried the version to 1.5.8 from the add-on's original December 6th, 2024 release.
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