Gray Tree is a 1911 oil painting by Piet Mondrian. This painting was made in 1911 on canvas on a board measuring 78.5 × 107.5 cm. It is exhibited at Gemeentemuseum Den Haag, The Hague. From Wikipedia
Researchers identify fractal-like scaling in tree branches depicted in works by da Vinci, Mondrian, and others, linking art and natural geometry.