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Hey Folks! For my custom Shader I want to use the object's normals in view space. Therefor I need the gl_NormalMatrix. I know how to construct it (inverted and transposed MVMatrix) but I don't want to construct it manually for each object. I found this thread [SOLVED] - Shader Programs Attributes And Uniforms, but there was no hint on how the gl_NormalMatrix is called in babylon. I also searched the babylon git-repository, but could not find where the shader attributes and such are declared. Can anyone please point me in the right direction? Thank you for your time -Mainequin