Animation Machine

My son showed me this model by rubixcube6 (https://www.thingiverse.com/thing:2575949) that he had found through a random search on Google. I liked the idea, but not the open design. I wanted something enclosed. It took a while to get the dimensions correct but finally had a working model. Unfortunately, this was not simple to assemble and I had to take a Dremal to my design to allow it to fit together. I decided instead of using cocktail sticks/tooth pics, if I used a 3D printed stick it allow