File this one under smartphone hacks that are definitely unnecessary but insanely fun. When simple science meets smartphones, the result is a nifty little “hack” that can be performed in just a few minutes for less than $1 in supplies. In fact, this might be one of the coolest little iPhone and Android phone hacks we’ve ever seen, allowing you to transform any smartphone into a 3D hologram projector in no time at all.

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Using just a few cheap items — in fact, you definitely have almost everything you’ll need for this hack lying around the house — YouTube user “Mrwhosetheboss” will teach you how to transform your smartphone into a 3D hologram projector in a matter of minutes. This is definitely one of those hacks that is so simple and yet so cool that you just have to sit back for a moment and appreciate it.

Here are all of the supplies you’ll need:

  • Graph paper
  • A CD or DVD jewel case
  • Tape or super glue
  • A pen
  • Scissors
  • A sharp knife or a glass cutter
  • Your smartphone

Now that you have everything you need to perform this nifty little hack, sit back, press play on the YouTube video embedded below, and prepare to be wowed.

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