Joining list

[Daniel_Hurtubise]

Good morning all.
I’m trying to “join” those 2 lists of lists to create a list of 4 points in the actual order.
top list 2 points first, then bottom list 2 points.
Tried with LIst.Combine but with no luck

[Yna_Db]

You should find useful information in this thread:

Merge two list into one

Hello, Maybe someone can help me with lists. I have two lists: List1 - A, B, C List2 - D, E, F And I want to get one list like this: List3 - AD, AE, AF, BD, BE, BF, CD, CE, CF. Here I stoped: [image]

[Daniel_Hurtubise]

Hi,
i actually turned to Colin McCrone’s awesome Ampersand package with the &PointGrid.ToQuadSets

[Vikram_Subbaiah]