Features:

1) 3D-model is fully suitable for use in games, applications, as well as VR and AR.
2) The package has a full set of pbr textures. Additional texture sets for the popular game engines Unity and Unreal Engine.
3) The mesh has 4 levels of detail.
4) All necessary formats are added to the package.
5) The package also has all the renders.

All questions can be asked to me through my website.

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Resolution of all textures - (4096x4096).

PBR - textures:

1) Base color
2) Metalness
3) Roughness
4) Normal
5) AO

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Ready for Unity:

1) Albedo
2) MetallicSmoothness
3) Normal
4) AO

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Ready for Unreal Engine:

1) Base Color
2) Normal
3) OcclusionRoughnessMetallic

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Content:

1) The package contains 5 variations stones

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Formats:

1) .fbx
2) .png
3) .obj
4) .ply
5) .dae
6) .stl

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Software used:

1) Blender
2) UVLayout
3) Substance Painter
4) Marmoset Toolbag
5) CrazyBump
6) GIMP