That's what he explains in this pic, yes.
A German domain, no doubt!
Some say overengineering ...this is Italian engineering. "Super Leggera", weighs 1.7Kg. and supports 100 kilo. Designed in 1956 by Gio Ponti and still in production.
You mean the chair? Now that Carlo has professionally derailed this topic, here's a Dutch design for y'allDesigned by Gispen in 1931. Brilliant.