Marble Run Extension Saver

Ever getting really mad at the original model's top part having a built-in hex connector so weak that you ended up breaking all of them off while removing the supports? If so, this is when my saver comes into play.Back in 2024, I have managed to sucessfully print the complete Kugelbahn Erweiterung set, including the top part which is printed in Bambu Lab PLA Matte Grass Green. In my make, I have mentioned that the tooths (hex connector) are weak and I have to glue them over and over again. However, the more I glued, the weaker the tooths became. One day, I finally decided to break off the rest of the tooths on purpose, as they are barely holding onto the main part. I would throw that away if I didn't think of that idea, but luckily I did when I finally decided to break them off. Using the original design as a template, I made a slot that fits into the hollow central part of the top part of the original Thing, and created a much stronger connector with a hole for the marble to p