"and my dreams are composed either by my mind or by chance" - Italo Calvino, Invisible Cities, 1972

Take a simple algorithm, arrange basic geometric units by chance, take half of that composition and mirror it, repeat it again and again until opulence is conveyed. 

The subtle grain effect is done with p5.grain library by @gorillasu & @meezwhite.

Look out for the FOMO keyboard key to unlock more variations.