Difficulty in creating surface

Hi, I am trying to remake this watch case, but I cannot achieve the look of the corner, any idea how to make the green part like that watch?

Surface difficulity.3dm (145.3 KB)

Hello - here is one approach -

Surface difficulity-maybe.3dm (234.9 KB)

Though, I doubt the original was made that way…


Thank you very much! :+1:

Here with blendcrv.
Surface difficulity_blend.3dm (152.7 KB)

Which command do you use to make the surface? Thank you,

Edit: Are you using sweep 2 rail?

I used BlendSrf