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Expand Filter grows (dilates) the current mask outward, making white areas larger. This is useful for padding the edges of a mask — for example, after a Textures Filter you can expand the masked area slightly so objects can also spawn just outside the painted texture boundary.

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Settings

  • Kernel Size — controls how much the mask is dilated. Larger values expand the mask further. Minimum is 0.1. Default is 1.