This is a very minimalistic pen holder. The idea is not completely mine, I have already seen it somewhere in a shop. As long I could remember I recreateted. 

It is parametric, I give you the Fusion360 file, there are just a couple of parameters, one is the dimension of the holes (they are squares, so just 1 dimension) and the number of holes.

there are some GIFS that explain how to mount it, but it is so easy …..

The size is for pencils, you can remake with fusion360 or just increase the size with the slicer.

I have also put the orca slicer project so you can use it, although it is set for a sovol 6+ (but just change the printer and it will be fine).

as usual, enjoy it.