Hi Pilou,

> If you take view Points and move points history is broken
> with this Script : that's normal ?

Well it depends on which particular curves you were editing. You should be editing the original curves and then all the generated ones will update. History will only be broken if you edit one of the generated curves instead of the original one, is that what you were trying?

Here is an example of editing the control points of the original curve:



- Michael