Customizable Pen/Tool Holder - Cylinders

This is a customizable pen/tool holder with quite a few options, and some premade STLs for a variety of different sizes and looks.

The tall models work well for common pens and fountain pens. The short ones are for Silhouette sketch pens. The designs are SLA and FDM friendly, and should work well for other print processes (once I have time to test them).