We love a nice optical illusion (if you hadn't noticed), and happily the internet is full of people creating little gems to trick our eyes. Anyone wanting to create their own won't want to miss this ...

Geometric patterns have been used in art for centuries. They can be seen in the world’s greatest artworks, from Francisco José de Goya to Andy Warhol. “Geometric drawing is fun and rewarding,” says ...

Optical illusions come in all forms, from simple tricks of the eye to complex geometric designs, but my personal favourites are the simple illusions that leave my brain well and truly frazzled. While ...