Catapult
thingiverse
Fire up those launchers by adding elastic cords to every slot and extending them all the way down to the anchor points, then load your missiles and yank the string - WATCH IT BLAST OFF!
Download Model from thingiverse
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.