Curves create knots

[amir_kharrat]

hello guys so i isotrimmed a surface and when i wanted create lines between each 2 sides of each rectangle my lines create knots,im a beginner to grasshopper please bear with me,thanks
PROBLEM.gh (33.9 KB)

[Mahdiyar]

Is this what you’re looking for?

[amir_kharrat]

YES THANK YOU SO MUCH MAN ! , i just want to understand whats the problem

[amir_kharrat]

because when i tried to make something a bit more complicated i ran into the same problem

Uploading: PROBLEM.gh…
i made a another surface iso trimmed it,deconstructed brep and selected the longer edges of one brep and created a nurbs surface from the two edges that i modified with graphmapper and grafted the list item but i ran into this problem
PROBLEM.gh (37.4 KB)

[Mahdiyar]

@amir_kharrat

i just want to understand whats the problem

The two opposite edge of your surface has different directions. So you need to Flip or Reverse one of them.

@amir_kharrat

Uploading: PROBLEM.gh…

There seems to be a problem with your attached file, please upload it again.

[amir_kharrat]

thanks mate,i sent you another file with another pic if u can can check them out that would be wonderful