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Make: Technology on Your Time Volume 41 by Mark Frauenfelder

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Toy Inventor’s Notebook

MAGIC CAT PROJECTOR

Invented and drawn by Bob Knetzger

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IN ACTION:

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BUILD IT:

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Get detailed folding instructions, download the template, and see the Magic Cat Projector in action at makezine.com/magic-cat-projector.

MAKE THIS FUN MINI PROJECTOR JUST IN TIME FOR HALLOWEEN. It throws a shadow image of a black cat — which then disappears, leaving only his spooky grin!

No lenses or focusing needed.

Just go to makezine.com/magic-cat-projector ...

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