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Make some sturdy lightweight gears out of craft foam!
craft foam ($1 at Dollar Tree) poster board or cardboard (50 cents at Dollar Tree) lots of mini clamps (25 cents each at Dollar Tree) white or wood ...
This particular pattern has a hole sized so that if the big gear is approximately 3 inches wide, the hole just fits a size 10 machine screw which ...
If some of the gear teeth have little anomalies after going through the cutter, you can trim those off at any time
coat the posterboard gear with a fine layer of glue lay the foam gear over it and slide it around until the gear teeth line up perfectly lay ...
apply glue to the foam surface of a gear layer stack them up about 6 deep, being careful to line up the teeth perfectly straight
Make sure the glued layers are all lined up perfectly. Apply clamps if you have them. If you picked up some of those awesome clamps from Dollar Tree ...
Now to put them to work!
Mini CNC Foam Cutterby jonah marrs
Basic Gear Mechanismsby printeraction
Gear Driver by Bits4Bots
How to make gears easilyby rickharris
The Electro-Mechanical Clockby hp07
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