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How to make a teleidoscope (open-view and lense kaleidoscope)

Step 3Cutting the glass

Cutting the glass
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Now we will need three pieces of mirror, measuring 15x1.5cm. Before cutting the mirror, make sure the tip is lubed with cooking oil as this facilitates the cutting. Be aware of using a thick ruler to guide your cut.

When the cut is done, you will only notice there is a straight crack on the mirror surface. We need to detach the mirror piece, by gently pushing down. Use a piece of wood or the rule under the mirror to guide the stress.

If the cut was well done, it will detach cleanly.  Using gloves and goggles for extra-protection is advised.

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Author:Fiestoforo(Fiestoforo)
Illustrator from Chile