ExtendSurf V6 OK! V7 KO

why does rhino V6 extend surface with this surface, but no in V7?? i need to Untrim…Extend surf.3dm (35.6 KB)

Rhino 7 SR4 2021-3-8 (Rhino 7, 7.4.21067.13001, Git hash:master @ ed629035202f07e8b84a3ee211479ca20bb81b73)
License type: Commerciale, version 2021-03-08
License details: Cloud Zoo

Hello - here, the shorter side will extend without trimming but only a certain distance - is that what you see or does it not extend at all? MergeAllEdges will also help - the long edges are split up.


Hello… Not extend at all… did you try my file?