Easy DIY : Washi tape your walls!

Everybody's crazy about washi tape, and for a good reason. These little rolls of Japanese decorative tape can be used for so many projects; but did you know you could also use washi tape to pimp up your walls? Like, say, you're in a rental and can't or don't want to paint your walls... Washi tape them!
Here are some brilliant examples of washi tape use on walls... Genius, right?

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