Left is as the loft with history was created, right is after I extended the top surface to the left a little bit: [image] lofthistory.3dm (71.6 KB)

Yep, I know this is bad - the underlying problem , that is not easy to solve given how Rhino currently works, is that the matching is done by edge index and these can easily be rearranged as in this case. This example at least seems more stable if you UntrimBorder the inputs before lofting. I beli…

Wow, :no_mouth:, I’m glad I never use History. @pascal , I see this issue is created 3 years ago. Will this get fixed in Rhino6?

Hello - there is no plan that I know of. I’d prefer to at least break history in these cases rather then update incorrectly. -Pascal

Loft with history jumps to wrong edge glitch

Rhino Rhino for Windows

brian (Brian Gillespie) August 9, 2022, 11:35pm 6

RH-34257 is fixed in the latest WIP

Can History Please Be Disabled On BlendSrf?

Topic		Replies	Views
Loft History With Extrusion Edges Bug Rhino for Windows	6	436	July 19, 2018
Loft history bug Rhino for Mac	1	335	June 11, 2020
History breaks when it should not Rhino windows	2	445	January 27, 2023
Loft bug with aligned input and record history Rhino windows	3	77	April 8, 2025
Trimming surfaces makes history crazy Serengeti (Rhino WIP)	14	1382	October 14, 2020

Loft with history jumps to wrong edge glitch

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