Aligned cull nth from point grid

[Joseph_Oster]

Sounds similar to (derived from?) this one:

Points in curves problem

I see. OK, then this: points in curves_2023Sep29a.gh (21.0 KB) Point In Breps is not working correctly because the extrusions got out of order… The culprit is Boundary Surfaces. If you replace it with a Srf param it works as expected. Otherwise, more elaborate means are required to make sure Boundary Surfaces doesn’t mess up the sequence. Oh wait, you can graft the input of Boundary Surfaces to get the same effect. [zero_001_2023Sep29b] points in curves_2023Sep29b.gh (23.1…