Jan van den Hemel writes: Manually painting a mask for edge wear can be a good alternative to using a procedural method, as it can add a bit more of a hand-made look to your model. But Blender only comes with a simple round brush. Fortunately you can create your own brushes.
from BlenderNation https://www.blendernation.com/2021/04/27/painting-texture-masks-with-custom-brushes/
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