hI

Many thanks Elang
Very clear and clever

il wil try to to it


To help people to draw "manualy" an isocahedron, find below 2 links to youtube videos
One is about drawing a golden rectangle, the other is about drawing the isocahedron

https://youtu.be/ud60mzxu4NE

https://youtu.be/3TWRvqVgCEI