I used the instructions and 3D model from here: https://www.thingiverse.com/thing:1802260 https://www.thingiverse.com/thing:1802260 and built a couple. My firs

I used the instructions and 3D model from here: https://www.thingiverse.com/thing:1802260 https://www.thingiverse.com/thing:1802260 and built a couple. My first 3D printer project experience. It was fun for me and the kids. Note that schools have started to ask kids not bring them to school as they don't really help with fidgeting and are mostly used as toys.