Spring-loaded projectile launcher. This was designed as a thought starter about harnessing force via the material compression spring and directing it straight through the center of the spring like a shock absorber.

Just load the projectile down through the center of the spring and pull back, and let go like a pinball launcher.

Check out more project starters at my profile in Tinkercad- https://www.tinkercad.com/users/6ZyoPpYZi88-bitsnbolts

Copy and modify it online at-