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How to make a 3D projector

Discussion in 'Off-Topic' started by Jeanh, Aug 27, 2015.

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    It turns out that we don’t have to wait for some high-tech futuristic age to appear before we can all start using holographic projecters. Some genius out there has worked out how to make one today — using nothing more than an ordinary smartphone and a cheap CD case.

    It’s really easy to do. And we guarantee that you’ll be as captivated by the result as any wide-eyed child!



    You will need:
    • A clear plastic CD case
    • An ordinary craft knife, glass cutter or scalpel
    • Scissors
    • Squared/graph paper
    • A ruler
    • Scotch tape/sellotape or some super glue
    • A pen
    • Your smartphone
    Time required: 25-30 minutes.

    How to make a 3D projector


    Step 1

    Draw a trapezoid with dimensions of 1 cm (on the top) x 3.5 cm (height) x 6 cm (the base) on graph paper. Cut it out using scissors.

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    Step 2

    Separate the parts of the CD case and remove the thin edges until you end up with a flat piece of plastic. Place the paper template of the trapezoid on it, and trace the outline with a pen. Cut the trapezoid out of the CD case using your scalpel or glass cutter. Then trace and cut out three more identical shapes.

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    Step 3

    Stick the four pieces of trapezoid together along their longer sides using scotch tape or super glue.

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    Step 4

    Launch one of the videos specially created for the projector on your smartphone. There are several different ones to choose from, but we think the best is the one featuring a beautiful and mysterious jellyfish as well as Greta Garbo, which can be found Please or Register to view links, whilst Please or Register to view links you can find a funny motivational speech from Shia LaBeouf.

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    Step 5

    Place the projector on your smartphone...and wait for your jaw to drop in amazement! Just look at that jellyfish!

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    The whole process is explained in an easy to understand way in Please or Register to view links.

    ...We can’t wait to get home from work to try it!
     
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