# \#rotring

**URL:** https://forum.plotterfolk.com/tag/rotring/2.md

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## [Are old technical pens still worth using for pen plotting?](https://forum.plotterfolk.com/t/are-old-technical-pens-still-worth-using-for-pen-plotting/26)

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**Author:** [@rubencio](https://forum.plotterfolk.com/u/rubencio)\
**Replies:** 0\
**Last updated:** [October 4, 2026, 4:55pm UTC](https://forum.plotterfolk.com/t/are-old-technical-pens-still-worth-using-for-pen-plotting/26 "2026-10-04T16:55:05Z")

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I’ve recently started using some old rOtring Isograph technical pens with a Silhouette Curio 2, and they have turned out to be much more practical than I expected. I currently have 0.20 mm, 0.40 mm and 0.80 mm Isographs…

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## [How do you hold technical pens securely in a pen plotter?](https://forum.plotterfolk.com/t/how-do-you-hold-technical-pens-securely-in-a-pen-plotter/24)

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**Author:** [@rubencio](https://forum.plotterfolk.com/u/rubencio)\
**Replies:** 0\
**Last updated:** [October 4, 2026, 1:31pm UTC](https://forum.plotterfolk.com/t/how-do-you-hold-technical-pens-securely-in-a-pen-plotter/24 "2026-10-04T13:31:21Z")

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I’ve been experimenting with different technical pens on a Silhouette Curio 2, and one issue has become much more important than I expected: how securely and concentrically the pen is held. My first tests were with Stae…