2nd part of a collection of “stackers”. These can be stacked in any order to create an desk organizer for pens, brushes etc. Or just for fun.
These are the next generation of this model: https://makerworld.com/en/models/436340
stacker 01: https://makerworld.com/en/models/436352
Stacker 03: https://makerworld.com/en/models/436354