Flow along surface

Hi, I am trying to flow the objects on the surface but I don’t manage.

I can’t unfold the surface to be the base curve.

What would be the best why of doing it? (flow, orient, etc?)
flowalongsurface.3dm (16.6 MB)

Thank you!

Hello - is the attached what you are shooting for?

flowalongsurface_ProjectObjects.3dm (13.1 MB)

-Pascal

yes, what command did you use? Thank you so much!