Thank you so much Francesco for your screen grabs!
Here there is a small video showing the script in action:
At 0:49 you will notice that I select the code in the script editor and I execute it. To fire it press ctrl+enter.
Actually the best way is to select that code and drag’n drop it into a shelf (mid btn), so you will have only to click the newly created button next time.
furthermore, I want to report again the code to execute the script in gui mode, as I… emh, made a typo error (I corrected the previous post too):
import fibermesh_to_curves as ftc ftc.fibermesh_to_curves(guiMode=True)