Make a cheap perpetual calendar

Craft & Design
Make a cheap perpetual calendar

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Evil Mad Scientist Laboratories – Cheap Perpetual Calendar

A quick, handy, geeky, and seriously inexpensive perpetual calendar for your desk.
Got 12 cents and a scrap of cardboard? You’re good to go!

Cut twelve slits, stick in your pennies, and… here it is, all built…

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