Surface morph non co-planar

Why are the split lines mapped from the original surface (via Surface Morph Mapping from LunchBox) to the target patch surface not collinear and coplanar (i.e., they don’t lie perfectly on the surface and/or don’t align with the surface’s inherent structure)? How can I resolve this? Because my next step is to convert the split surfaces to mesh and flatten/unroll them.

[1]zoom in and observe surface morph isn’t co-planar (how to solve this problem)

isotrim but non co- planar.gh (44.4 KB)

I wouldn’t trust a morph for accuracy - in this case, you could probably pull the curves onto the surface and split it - something like this

isotrim but non co- planar.gh (47.8 KB)

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Got it, but I ultimately want to preserve the shape of these surfaces and convert them into a mesh, and the edge’s points seem to be disordered now, I’m encountering issues. Is there a way to re-order the points? Or, by using the Rebuild command, can the naked edges be converted into lines instead of curves? I hope there is a solution.

[1]points are disordered

[2]I hope it can do like this

There’s many ways to renumber the points - I would just do this

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Brilliant! Using ‘from polylines’ allows for a more perfect reconstruction of the original surface. Thank you very much for your help!

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