Unreal Engine 4 material demo.
Unreal Engine 4 node-setup for Instancing materials.

Day 25 – Material Instancing

TUTORIAL: Introduction to Materials | v4.0 | Unreal Engine by Unreal Engine

Material instancing fundamentals and demo in Unreal Engine 4.

After watching this tutorial, I wonder why you would even make new materials. I suppose they do have their place, but instancing materials is definitely useful information to have in the back pocket.