How to Make a Trebuchet PEWDIEPIE

I have created the same catapult with an artistic box for a better presentation. https://create.arduino.cc/editor/jaydonhe/19d1cf8... I also made a change to the code so the rubber band can stay stretched out a bit longer for maximum amount of kinetic energy when getting fired. I used cardboard with spray paint and a marker to make a pattern similar to that of PewDiePie's logo because trebuchet. I also used a 3D printer to print out the arm mechanism and other materials such as nuts and bolts.

The project was inspired from this

https://www.instructables.com/id/Automatic-Rubber-...

user who has made a really good guide on how to make this catapult step by step. I changed some one the original code to fit my needs, but other from that, it is really amazing how well made the project is.