IKEA Skadis Coaster Holder

This holder is designed to fit coasters with a diameter of 9cm. It has an internal depth of 5cm, so depending on the thickness of your coasters, it holds more or less coasters.

The model is optimized for 3D printing and its best to print it standing up, so you don't need any supports.

For mounting, you need two of the T-Clips https://www.printables.com/model/256896-skadis-t-clip-system