My own design of pencil holder / pen holder.
The "post-it" notes max width is 9 cm. I use non-sticky, not-glued, square 90 x 90 mm.
Honeycomb inspired. No space wasted, very stable.
Printed without support.
If you find it useful - please upload your make :)
rm_pencil_box.stl | 467.4KB |