Researchers found a hidden mathematical rule in tree-like art. Branch thickness follows a predictable ratio, making trees recognizable.

Yet only “Gray Tree” has scale-invariant branch diameters. When Mondrian removes the scale invariance in “Blooming Apple Tree ...

Scientists uncover hidden maths depicted in tree branch patterns in da Vinci and Mondrian artwork - Study offers perspective to ‘appreciate and recreate beauty of trees’ in art, scientists say ...

This drawing would be easier to work with at twice this size, but there are always workarounds. Using erasers, tissue and paper stumps for background texture draw the eye to the contrasting tones ...