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How to combine 2 normal maps?

Hi!I’d like to know:

I have a tiling brick texture,with of course a normal map of it.

I also have a normal map from my high poly mesh baking

How can I combine them together with the node system so that I still can tile my brick,and also have my NormalMap from my high poly mesh,Would love to have a picture if possible :slight_smile:

Thanks a lot!

Here’s one option https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/HowTo/DetailTexturing/index.html

Typically it’s called using a detail normal map.