4 Vertices

 From:  Frenchy Pilou (PILOU)
11590.5 
it's more funny to make directly subdivision in Moi!
With only 4 functions!
(And of course any native Moi functions! (Like Extrude...in some conditions :)

thx Max Smirnov!

EDITED: 7 Nov 2024 by PILOU