Maya: Arnold Rendering MASH Color

Folks, don‘t blame me! This tutorial covers the long and tedious from a nice looking MASH colour distribution to rendering those colours in Arnold. Why so complicated? Ask Autodesk (Maya), ask Mainframe North (MASH).
You find a step by step text in my blog: www.maxschoenhe...
Pls check the comments by Mainframe North about this topic, see below.