Penplotter Uuna Tek 3.0 A1 Pencil Adaptator

An adapter is provided for thin pens like a BIC.
But it's also easy to 3D print adapters for all types of tools.
I made 4 pen adaptators to reduce the diameter of the pen holder and ensure a good grip on the pen while drawing.

In video https://www.youtube.com/watch?v=a8cwKTPUSYI at 00:54