Patch fail split/trim

Rhino Rhino for Windows
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1

Hi everyone, i’m trying to trim or split a surface made with Patch, but im moment i do it, the surface turns weird just like the picture. Someone can told me how to fix it.

Before

je1.PNG992×649 82.7 KB

After

Mau

2

Hi Mauricio - my guess is the trimming curve there is a little messy - possibly it has a small loop in it, something like that - can you post the curve and surface?

-Pascal

3

Hi Pascal

Thank i had check the line out, actually the line got 2 intersection points it was that.

Thanks a lot

Mau