Oh, right, I updated the link.
Here it is : https://www.brick-a-brack.com/brickfilms/fiche/1960/ (In the "Making-of" tab.)
It's in French but there is some pictures that can help you.
Hopefully Google translate may translate it well enough. I might translate it myself some day.
Last edited by Aiwha (July 4, 2017 (12:14am))