These organization trays are designed to help reduce clutter and keep your most frequently used desk tools and accessories nearby and customize your needed storage space by stacking the different modules on top of each other.
Apart from pens and other desk accessories these can also be helpful as a parts tray when working on electronics or soldering.
The normal sized trays are to be stacked on top of, while the flat versions are to be placed as top pieces for easy access. There is also a lid that can be placed on the normal modules to keep your pens and tools dust free.
The author marked this model as their own original creation.