Cover image via Mrwhosetheboss
To turn your smartphone into a 3D hologram projector, you will need graph paper, a CD case, a pen, a pair of scissors, sellotape, a craft knife or glass cutter and — of course — your smartphone
1. Start with sketching out a basic trapezoid shape on the graph paper using the dimensions 1cm x 3.5cm x 6cm
Image via Mrwhosetheboss
Image via Mrwhosetheboss
3. Carefully snap off the shallow sides of the CD case
Image via Mrwhosetheboss
4. Trace the shape on the CD case, then use the craft knife to cut out the shape. Use this first piece to cut out three additional pieces.
Image via Mrwhosetheboss
Image via Mrwhosetheboss
5. Tape the four shapes together to form the shape shown below:
Image via Mrwhosetheboss
6. Turn off the lights, place the DIY projector on your phone screen and load up a hologram-specific video
Image via Mrwhosetheboss
*You can search for "[hologram-specific video](https://www.youtube.com/results?q=hologram-specific+video)" on YouTube for various examples.*
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