This add-on helps to reduce time creating materials from textures. You can get roughness, specular and bump textures from one original image at one click, every one of them can be adjusted by you. 

Just press alt+t after selecting principled bsdf shader, and you will get working node tree. 

Saves up to 40 seconds per material.

How your 3d model material will look like without our add-on:

And now with our add-on. Just simply click alt+t

You can see the difference between materials with add-on

without add-on

Update Roadmap:

In future updates, we are planning to add new node tree presets, which will improve your workflow. We are also ready to work with your requests. So feel free to send us a message.