Get This Open-Source Blur By Normal Substance 3D Designer Node

Texture Artist Andrey Frolov, with whom we had the opportunity to speak earlier this year about the workflow behind a vibrant cloth material created in Substance 3D Designer, has now released an update to his custom Blur By Normal node featuring several exciting improvements.

This node blurs an image based on a normal map, running 64 iterations that blend with the previous one using Copy, Max, or Min modes, with an opacity of 1/n, where n represents the current iteration. This means the pattern gradually fades with each iteration, similar to a slope blur.

Each iteration uses a modified Vector Morph Grayscale node and offers three modes for calculating point values:

• Normal mode: Uses the point's value along the normal path;
• Blur mode: Averages the values along the path;
• Max mode: Uses the maximum value along the path.

Andrey Frolov has introduced a new smoothing mode that also blurs based on normals, added the option to use an intensity map, and introduced an additional fading mode, enabling the creation of more captivating shapes. The node is also open-source, allowing you to delve into the code and tailor the algorithm to your specific needs.

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