Pen O-Pen is a simple but effective pen. It has a special trick: Normal pens are usually designed for one type of refill. Pen O-Pen connects to alle available refills. It is easy to produce and customise. Trikka added No 3 out of 6 open design pens made by the designer Lars Zimmermann.
- as local make,
- soon more
- “It happened to most of us: Our favourite ball point pen is suddenly out of ink. We search for another ball point pen to swap the refill. Only to discover: the refills are different. The new one does not fit. Well if PenOpen is your favourite pen this won’t happen again.”
- Above you can see a picture where a cap is added. The cap is just a small piece of silicone tube. The cap is not part of Trikkas parts catalog.
- Please visit the original post by the designer to learn more about Penopen and how to make it and to see iterations of it.
- Pictures by Mifactori, CC-BY-4.0
- Disclaimer, initial post backup.pdf