How can i create a circle on center and tangent of a surface?

Hi!

I want to create a circle tangent to the surface and on its center.

Aluminium

I could only do that.

circles

How can i do this vs. rotate / orient / align etc.?

Circle on surface.gh (7.0 KB)

Circle on surface rhino.3dm (75.6 KB)


Circle on surface_re.gh (22.3 KB)

Thank you, you’re really good at this

To be exact, these circles are perpendicular to the surface and not tangent.