TORSION BALLISTA

Check this Torsion Ballista made of lasercut 3mm cardboard! We got inspired by Leonardo Da Vinci's weapons.

Thank's to Francesco Petracca and Fulvio Gabriele Volpi

Assembly the components and paste the wings of the torsion springs.

use elastic bands fot the torsion springs. You can alter  the tension of the torsion springs changing the position of the screws in the 3 holes in the front.
Wind the springs...