Procedural Eye Textures,
Is completely made in substance designer that can run on substance painter
demo recorded with substance painter
You can download this Textures in 'SBSAR' file format from link down below
https://gplinks.co/1jEn5n
including
Basic textures in 'TARGA' format ,
Eye and Cortana geo. (FBX)
One HDRI
Marmoset Toolbag Scene
And Maya ASCII Scene