0 0 0 1 0 1 2 0 2 3 0 3
4 1 4 7 1 5 6 1 6 5 1 7
0 2 8 4 2 9 5 2 10 1 2 11
1 3 12 5 3 13 6 3 14 2 3 15
2 4 16 6 4 17 7 4 18 3 4 19
4 5 20 0 5 21 3 5 22 7 5 23
</polygons> what kind of normals i have? Because i have 4 normal for face,I suppose that are vertex normals but if i have a normal for vertex i would have 24 normals(6*4 = 24) and i have only 18 normals. Thanks in advance.