zbrush/substance look dev video

this time step by step

https://www.youtube.com/watch?v=5WMiRGqk8Po

No 3d object
No uv !!
A flat plane with an render
100 % substance
100 % step by step video 1 hour at 1080p

Some swearing and language

*disclaimer :-) !!
I am not claiming to have invented that workflow.. since it is an old regular compositing way of doing things .. could do it in after effect or nuke ( as long that the 3d plane support normal maps )
not reinventing the wheel .. just make it shinier and rotate faster :-)