This print is a customizable pen cup.

You can customize:

• the number of pens in the border
• the size of the pens
• the shape of the pens: tubes, hexagons, …
• the rotations of the pens

Usage

1. Download OpenScad;
2. Open holder.scad;
3. Customize your pen cup. (If the customizer is hidden, uncheck the last entry of the view menu: "Hide Customizer");
4. When satisfied, render the model [F6];
5. Export the STL [F7] or print it [F8].

Printing with layer height of 0.3mm is fine.