Have the rib at the crease for a curved round

Thank you@GT22 :)

We will carry out a test on the spot to verify this

Hello Mr. Legras

Look at my tutorials if they can help you

https://www.lynkoa.com/contenu/comment-d%C3%A9plier-un-tube-carr%C3%A9-les-configurations

https://www.lynkoa.com/contenu/comment-r%C3%A9aliser-un-serpentin-d%C3%A9pliable-par-configuration-0

https://www.lynkoa.com/contenu/comment-d%C3%A9plier-un-tube-0

https://www.lynkoa.com/contenu/astuce-pour-d%C3%A9plier-un-fer-rond-0