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i'm trying to use curvature while painting texture, but it seems to fail in some way.

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dirty vertex color seems fail too

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i just modeled this object in one minute in freshly opened blender. what am i supposed to do to make right curvature calculations?

more simplier shape just appears to have no cavity at all.

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i'm using blender 2.76b btw

EDIT: just tested it with deformed plane and it worked!!!

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but how am i supposed to paint over complex mesh?

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come to a solution based on the fact that cavity is calculated in blender based on the verticies. made a tripple subdivisio and was able to paint edges properly.

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Another solution is to generate a curvature map by baking the mesh's curvature then add a layer and paint in overlay mode.

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