GIMP Plugin Registry

Offsets all layers by half. Image/Half_Tile_Offset Useful when creating a tilable texture. Just press Alt+I,O and you can start editing the image-edge seams.

A workflow-friendly fast alternative to going around every layer and selecting Layer/Transform/Offset... / Offset by x2,y2 / OK

Usage:

Let's say we have this 256x256 crop:

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