Turn your smartphone into an amazing 3D hologram

Youtuber Mrwhosetheboss posted this fascinating how-to video, showing you how, in a few quick steps you can turn an old plastic CD case into a cool 3D hologram projector for your smartphone.

All you need is a a pencil and ruler, graph paper, an old CD case, a scalpel and some sticky tape.

Once you're done, load up this hologram-specific YouTube video, turn off the lights and enjoy your very own 3D light show.

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