Swirls

Posted by Dan (Chi-town, United States) on 21 December 2008 in Business & Industry.

"...stop sometimes and look into stains of walls, or the ashes of a
fire, or clouds, or mud, or like things, in which, if you consider
them well, you will find marvelous ideas...because the mind is
stimulated to new inventions by obscure things."
- Leonardo, Trattato della Pittura