Since I needed more space for pens, I constructed a tall insert for my Post-it Desk Organizer. The compartment is divided into three parts and offers space for lots of pens, brushes and whatever else you can think of.

Make sure to check out my other compartments for the Post-it Desk Organizer.

• USB stick insert for Post-it Desk Organizer: https://makerworld.com/en/models/594155#profileId-515994