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Airwolf 3D Catapult

by airwolf3d, published

Airwolf 3D Catapult by airwolf3d Oct 17, 2012

Description

Functional catapult
Here is a rendition of a truck/catapult combo.

The idea started when we bought a wooden toy from the hardware store that had to be glued and hammered together.

From scratch, we created the following design-enjoy!

You can read more about it at airwolf3d.com/blog/2012/10/16/download-and-3d-print-our-functioning-catapult/

Recent Comments

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I hope my crandchild will play with it as long as it has printed (8 hours and 64 meters of filament). Very nice thing!

excellent

This is the type of stuff I love seeing on Thingiverse! Well done!

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Instructions

Slice the stl file with your favorite slicer-we run one outer perimeters at 100mm/s and use 35% fill with Slic3r.

Note:  No support is necessary if you have decent bridging ability.  

After the part is printed, use an exacto to trim as necessary.
To clean up the holes (and make assembly easier), use appropriately sized drill bits.
Thread 1 M4x25mm bolt through the catapult base (optional opening for M4 nut on the opposite side included).
Then thread 4 M3x10mm bolts through the wheels and into the corresponding holes in the frame.
Attach a rubber band around the catapult and bumper and you are good to go!

Be careful not to hurt yourself or anybody else - this a tough design that can launch items up to 20 feet!

Comments

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arnoldpro on Mar 10, 2013 said:

I hope my crandchild will play with it as long as it has printed (8 hours and 64 meters of filament). Very nice thing!

elspeth on Oct 18, 2012 said:

excellent

Steelyd on Oct 17, 2012 said:

This is the type of stuff I love seeing on Thingiverse! Well done!

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