We have two cats who like to go explore outside but are still living with us in the house. We used to use a plastic container filled with cat treats to call them back inside, until I remembered that I’m a specialist on designing useless objects for 3D printing.
That’s when the Cat Caller was born.
You can find the files for this model here: https://www.printables.com/model/166945-rattle-maraca-aka-the-cat-caller