About this 3D model

https://www.youtube.com/watch?v=VhslHK4820I&feature=youtu.be Hello! As a part of the one day Project challenge I made a rubber band pistol that can shoot anything from paper balls to pens! Please be careful with it, it's not meant to harm others, I just wanted to see if I could make it work I'm a 16 years old student from Israel playing for the local robotics FRC team as the head CAD department. Time to design and tinker: 4 hours Time to Print: 7 Hours Clean-up and video making: 4 hours Have a nice day!