Need help. Got a rotation in my lines in a structure

Hello, I hope you can assist me.
mp4 min egen.gh (25.3 KB)

I’m encountering an issue with the design in our assignment for exams. The problem is that curves are rotating instead of creating a direct line between three loft elements. I can’t seem to figure out why it continues to create rotation around the center. Interestingly, even my lecturer is facing the same problem. Several other students are also experiencing this issue, even after seeking guidance from the lecturer to create it for them.

I been forced to rotate the middel a little to get more direct line - but i would want to create so it direct and no rotation.

I’m not just seeking help to correct it but also to understand the correct process. If you could provide guidance on how to address this issue correctly, it would be greatly appreciated.

Not really sure what the issue is. The loft seems to be creating a decent surface as is:

The rotation is occurring because your divide curve component is dividing those three curves in different places, then the Interpolate curve is joining them up in the only way it can (to make a curve that looks like a rotation).

With even divisions:

even.gh (21.0 KB)

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Yea it was also the issue i belive was at hand. Thanks for the help!