Kudos !!!

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take a look at Jami.

My favorite Gemini client for running this protocol is Lagrange. Deedum is also great on Android.

Tried it, hated it!

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I bet you did. Such a huge repository!

You can do this simply with your keyboard using all kind of special keys and a text editor.

But you can use 2 specialized softwares that simplifies a lot the drawing, giving you an easy and straightforward access to what you need: Pablodraw and Moebius. Both are very similar.

Thanks for this comprehensive response. I understand way better now. I thought indeed that the repetitive pattern of lines could cause some visual display trouble. I tried it anyway… Since it was working fine on my part.

I like red and black colors. Orange could have been a good option also.

Interesting to me! Why do you find it disturbing if i may ask?

Thanks!