High Quality Content by WIKIPEDIA articles! Patterns in nature are visible regularities of form found in the natural world. These patterns recur in different contexts and are modelled mathematically. Natural patterns include symmetries, trees, spirals, meanders, waves, foams, arrays, cracks and stripes. Early Greek philosophers studied pattern, with Plato, Pythagoras and Empedocles attempting to explain order in nature. The modern understanding of visible patterns developed gradually over time.