iOrnament: Symmetry Art App

Created by a mathematician, iOrnament is a mobile app drawing tool that creates stunning patterns and mandalas according to rules of symmetry. Lines can be transformed according to your choice of symmetries and retiled across the plane. Available for under $5 for iOS (iPhone/iPad). Another app by the same creator, iOrnament Crafter (opens new window) lets you use your creations to create spirals, paper cut-outs for creating 3D platonic solids, animated gifs and many other other things.

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