391377c804
Caused by NaN propagation. If a face becomes 0 area, the resulting normal becomes a zero vector. This normal cannot be used to calculate the distance to a plane. To fix this case more generally, we clamp the strength to 1.0 at most to avoid introducing scenarios where a given vertex can have a zero vector normal. Pull Request: https://projects.blender.org/blender/blender/pulls/145952
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