Flutebox is a desk organization system with a relaxed design with rounded flutes.
A square pen cup 80x80 mm for pens and small tools and other knick knacks you need handy on your desk.
One model is the pen cup and one is a stackable "lid" which also is a tray. The lid fits on all 80x80 mm trays and pen cups.
Prints well in PLA, you can go low on walls and low on infill, supports on the base is recommended.
Other models in the system:
https://www.printables.com/model/1525968-cable-organizer-box-small
https://www.printables.com/model/1546966-cable-organizer-box-big
https://www.printables.com/model/1546938-desk-organizer-square-pen-cup-80x80-mm
https://www.printables.com/model/1546941-desk-organizer-round-pen-cup-80-mm
https://www.printables.com/model/1546930-desk-organizer-assortment-tray-80x80-mm-low
https://www.printables.com/model/1546933-desk-organizer-assortment-tray-80x80-mm-mid
https://www.printables.com/model/1546911-desk-organizer-assortment-tray-170-mm
https://www.printables.com/model/1546886-desk-organizer-assortment-tray-210-mm
https://www.printables.com/model/1546917-desk-organizer-assortment-rounded-tray
https://www.printables.com/model/1546948-desk-organizer-assortment-tray-100x200-mm
The author marked this model as their own original creation.