Textures (4096x4096 and 2048x2048):
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) Base
2) Core
3) Floor

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LODs:

1) Base

lod0 - 11042 tris,
lod1 - 8315 tris,
lod2 - 5589 tris,
lod3 - 2817 tris.

2) Core

lod0 - 380 tris,
lod1 - 284 tris,
lod2 - 192 tris,
lod3 - 96 tris.

3) Floor

lod0 - 2 tris,

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Formats:
1) .fbx
2) .png
3) .obj
4) .3ds
5) .dae
6) .stl

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Software used:
1) Blender
2) Substance Painter
3) Marmoset Toolbag
4) CrazyBump