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treepleks @fbfe776 The idea is to randomly but somewhat evenly (using a Poisson distribution) throw vertices on the surface and then compute Voronoi diagrams from these random vertices. One must then refine the original surface (a lot) and delete every vertex which is too far from an edge of the Voronoi diagram. The free software "Meshlab" has all these operations in it, but it's a pain to use it.