Reply To: Difference between quads and tris
I also notice that if you add a single vertice on a edge that is completely useless, it change the shape…?? But it should not. Why? Because the it influence the subsurf?
Yes, that is because of the Catmull-Clark algorithm, that uses the ‘centers’ of Faces, which are calculated by taking the average of the Vertices that make up that Face and adding a Vertex changes the position of that ‘Face center’:
