Erm, why does this optical illusion keep getting bigger?

There's nothing quite like an optical illusion to boggle your brain. From rotating horses to floating Queen Elizabeths, there are plenty of trippy designs out there to sink your teeth into. When life gives you optical illusions, stare at it until you question your entire reality, right? 

Today's mind-frazzling find has been doing the rounds online, and I honestly can't stop looking at it. The design (see below) appears to be ever-expanding, but in reality, it's a clever still image. The design isn't just baffling brains though, it's also been affecting one particular body part too. Loving this optical illusion and fancy indulging yourself in some more perplexing designs? Just head over to our roundup of the best optical illusions.

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Amelia Bamsey
Staff Writer

Amelia is Creative Bloq’s Staff Writer. After completing a degree in Popular Music and a Master’s in Song Writing, Amelia began designing posters, logos, album covers and websites for musicians. She now enjoys covering a range of topics on Creative Bloq, including posters, optical illusions, logos (she's a particular fan of logo Easter eggs), gaming and illustration. In her free time, she relishes in the likes of art (especially the Pre-Raphaelites), photography and literature. Amelia prides herself on her unorthodox creative methods, her Animal Crossing island and her extensive music library.