Dark steel
Dark steel: free seamless metal PBR material with albedo, normal, roughness, AO, and metalness maps. CC0 licensed.

Crafted from the prompt: "Gunmetal steel, dark gray steel surface, subtle industrial manufacturing texture, authentic steel microstructure, restrained surface variation, slightly matte finish, realistic physically based material, neutral grayscale albedo suitable for tinting, military industrial sci-fi aesthetic, designed as a clean base material for further weathering and blending."
PBR maps included: albedo, normal, roughness, height, ambient occlusion, metalness. Resolution 1K. License CC0 (public domain).
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