Pack - Stone Wall And Stone Piles
Each model has its own texture set so one material per model . Texture packing as per UE4 standard , Base color , Normal and Roughness , Metallic and AO are packed as : R = AO , G = Roughness , B = Metallic .
If you use this in Blender ( or any other render that uses OpenGL and Gloss instead of Roughness ) make sure to add inverted color ramps for Roughness and for the G channel of the normal map .
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