Excusez-moi, je parle seulement trois verbes.
Je préfère donc écrire en anglais.
Fairing frames, keel and stringers is not easy.
I've found a working method, which simplifies the procedure significantly.
It detects and uses Vertex (or Ruler) lines for planing. It works great! See clip!
English version
https://www.youtube.com/watch?v=HWVOrIihpBI
German version
https://www.youtube.com/watch?v=S654M1-8rWQ
What is a vertex line?
http://klaus.silbernagl.com/pub/bootsba ... /#scheitel
I like to do a French version, if someone translated the text of the clip.
My address
klaus.silbernagl@hk.mailbox.de

interesting and intelligent!

yes, of course