
Catapult
cults3d
The first catapult is a floating widget launcher, those patented plastic balls found in some black cans of beer. Watch it in action: http://vimeo.com/29575935 The second one is an OpenSCAD catapult with just one parameter. Simply enter the diameter of your projectile and let it build arm and base accordingly. A short animation showing variation of "projectile_diameter" from 10 to 35 millimeters can be seen at: http://vimeo.com/29589013 If you want a longer arm catapult, adjust the "catapult_length" parameter as well. The floating widget image is from http://en.wikipedia.org/wiki/Floating_Widget
With this file you will be able to print Catapult with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Catapult.