This is a demonstration only. I am too disorganised in my method and choice of colours to do a real-time lesson. My constant changes of mind and revisions would drive you crazy.
Each frame taken every minute – about 100 hours in total. For an explanation of the grid and the elastic strings see my other video https://youtu.be/XpBl3xGO0Ho
Cylinder Three by Chris Zabriskie is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)