trebuchet
thingiverse
This trebuchet has almost all of the parts to assemble the trebuchet, the household items that you will need to assemble the trebuchet are a small string and some sort of cloth to hold the item you would like to throw.
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With this file you will be able to print trebuchet 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 trebuchet.