grabcad
Pencil Catapult
These are some parts you can slide on a #2 pencil and make a catapult with some sting a...
grabcad
These are some parts you can slide on a #2 pencil and make a catapult with some sting a...
thingiverse
This is a model designed by Brandon Hill, at KID museum. Post-Printing Put a rubberban...
thingiverse
Just in time for summer school. Flick paper across the room with your very own Pencil...
thingiverse
Catapult for your pencil. Then again I'm sure there are a bunch of other things you cou...
cults3d
A little catapult for those boring days at work.
cults3d
A 3d printed set of small add-ons that can be attached on a normal pencil. As already m...
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Wall Street vs. the crowd. Who predicts the Fed correctly?
thingiverse
As pencils get shorter and shorter, they will disappear among all the other stuff insid...
thingiverse
I have designed this project to be a practical way to demonstrate launching projectiles...