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Hi everyone, I am looking for a good approach to generating curves that follow the curvature of a mesh. The goal is to generate line art in 3D, so not in post-process. First Approach My first attempt was based on vertex normal to find the lines, but if I push too far the sharp edge detection, I end up with duplicated lines along my curvature which gives an undesirable result. Expected result: Second Approach My second idea was to scatter points on my mesh and push these points in the direction that the principal curvature method gives me. I keep pushing the points in that direction as long as the next position has a stronger curvature than the previous one. The problem is that the principal curvature doesn't give me a constant direction through my mesh, and can flip from one vertex to another. The other problem is that I don't know how to connect the points into a curve. Thanks in advance for your help.