@zachagreg ; We're talking about a colour node, here. The range is 0 to 1. What's between 0 and 1? If I set the colour node to [0,0,1] (black, black, white) I get full blue, which means the X and Y axis are fully tilted toward left and up. The flat normal map colour is [128,128,255] (grey, grey, white). And [grey, grey,…