Model content:
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Archive - Shotgun-Ue4-fbx.rar - Cartridge.fbx, Shotgun.fbx, Shotgun-Clip.fbx, Shotgun-knife.fbx
Archive - Shotgun-Ue4-texture.rar - Color, Normal.png, RGB-Roughness-metall-AO.psd
naming example (Shotgun-Color)
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Archive - Shotgun-Unity-fbx.rar
Archive - Shotgun-Unity-texture.rar (TGA8bit) - Albedo, AO, Normal, SpecularSmoothness
naming example (Shotgun-Albedo)
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Archive - Shotgun-All-texture.rar (PNG8bit) - AO, Cavity, Color, Diffuse, Glossiness, Metallic, Normal, Roughness, Specular
naming example (Shotgun-Cavity)
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Archive - Shotgun-obj.rar
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Archive - Shotgun-3ds.rar
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File - Shotgun-max-2013.max