This file is a customizable version of the Notebook pen holder.
As the initial design the part is intended to be glued with double sided tape on the back cover of your notebook to hold a pen.
You can freely chose the diameter of the clip to fit your pen and the text on the feet.
The model parameters are:
Height=20; the height of the clip
Feet_size=30; The dimension of the flat part of the piece intended to be stuck on your notebook
Diameter=8; the inner diameter of the clip. Should be about 0.5 mm less than you pen diameter
Text="3D"; The text you want to appear on the flat part of the clip

!!! Customizer does not accept special characters but you can add some like ♥ by downloading OpenSCAD and making the modification locally on your computer.

Text_Size=6; The size of the text in mm

The text should be short (a few letters) to fit inside the object.

Pre-made STL files are available at https://www.thingiverse.com/thing:5026841

The clip should be printed upward, without support with 0.4mm wide layers.

For detailed explanations on how to use a customizable part look here: https://www.instructables.com/Learn-How-to-Use-Customizable-3D-Models-With-OpenS/