Removing first and last point from a list

[anon39580149]

maybe that help you to find the points based on u v directions

Sorting/unitizying multiple surfaces direction UVS

[sortUV] sortUV.gh (14.5 KB) Try this c# script (I’ve added comments inside, maybe you’ll understand/learn something … it’s useful) This script do: evaluate the surface at center (like reparametrized at 0.5,0.5) and extract U and V vectors test which of the 2 vectors is more suitable to be aligned with World X vector; if V then it swap UV invert U domain if not aligned with X invert V domain if not aligned with Y I wasn’t able to keep original domain span, to work you need to reparametriz…