4096x4096.png Exported Textures, Normal map is OpenGL
Substance Designer SBS for allowing variations and edits
No graph parameters have been exposed but I have organized it neatly so you can trace back and make changes to any material easily or reverse engineer sections for your own work.
Standard License
$4
License: Standard License
Stock Assets
For personal use and one commercial project (up to 2,000 sales or 20,000 views).