I also tried replicating this technique a while back. I color sampled the RGB from the GDC slides because I too was having problems with seams. I hand painted the bevels and the RGB I ended up with were: Top: 128, 218, 218 Right: 214, 124, 189 Bottom: 130, 36, 218 Left: 37,128, 217 In Maya with High Quality viewport…