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It is worth to mention that, regardless of the method, in 3Delight there is no need to set a number of subdivisions to pre-tessellate subdivisions, nor a "strategy" to subdivide the mesh (e.g. length/distance/angle); 3Delight always resolves subdivision surfaces analytically, at render time. This has an obvious advantage in UI/UX simplicity and in visual quality since no matters matter how close you render your subdivision meshes, they will always be smooth.