Octopus Paint Pen Holder, this will hold 12 pens.
The set I made it for are Artistro Paint Marker Pens which can be found here
https://www.amazon.com/gp/product/B07485T22B/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1
I use these to touch up my models and I didn't want to just throw them in a drawer so I designed this so the Octopus will guard them along with his treasure in front

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/la7P8GYuQR8