Hi Finema,

> must i do a flow for the base and the model before projection ?
>
> can you send an example ?

I did for that case, a curve-to-curve flow from a straight line to a bent curve, as in the attached file. I didn't do it very carefully, just a demo of something to try.

Positioning your object and plane at an angle like Franz shows above seems like a good idea.

- Michael