Select 2 points (same Z value) from curve

Hello.
I have some triangular curves. I want to select lower or upper base of the triangular curves! I want pick these red lines only!


crv.3dm (263.9 KB)
select 2 points with same z value.gh (34.6 KB)

I’ve tried picking points with same Z value, But I don’t know how to select 2 points with same value in the deconstruct list.

Thank you!


select 2 points with same z value -syc.gh (37.4 KB)

1 Like

Thank you so much!!! I didn’t realize I can use the angle! It is amazing!!

@Kanghoon
also a couple of simplified alternatives.

select 2 points with same z value.gh (43.0 KB)