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I wan't to orientate my cylinders along the blue arrows. I am thinking that normals are the solution but since I am new to Geonodes in Blender I dont know how. Can you help me?

Thats what I want to do Thats what I tryed so far

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    $\begingroup$ Just plug the node Normal into the Vector input of the node Align Euler to Vector and try with the axes... By the way, this question has been asked many times in different variants, so your question will probably be marked as a duplicate: blender.stackexchange.com/… $\endgroup$
    – quellenform
    Nov 22, 2022 at 17:05
  • $\begingroup$ ...I now wanted to take a closer look at your question and answer it, or search for a suitable duplicate. However, I do not quite understand this unfortunately. Please be so kind and edit your question to make it a bit clearer. Thank you very much! $\endgroup$
    – quellenform
    Nov 23, 2022 at 16:55

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Unfortunately, due to the structure of your Geometry Nodes, it is not entirely clear to me what exactly your goal is, so I'll try to provide an answer here based on a guess that might help you.

There are a lot of questions/answers that deal exactly with this topic, but in principle require the understanding of the node Align Euler to Vector.

Hence a try:

I assume you want to instantiate cylinders circularly on multiple planes.

  1. Create a cylinder first.
  2. Move it by half of its height on the Z-axis. Thus its rotation center is around the lower end.
  3. Then instantiate it along the points of a circle.
  4. Use the input node Normal on the input Vector of the node Align Euler to Vector to create a Rotation for the objects to be instantiated. Simply put, this node uses the normals of the points, and in this case aligns the Z-axis of the object to be instantiated along them.
  5. Then instantiate this geometry again along the points of a line.

enter image description here

Maybe this answer will help you a bit. I just didn't want to leave the question unanswered.


(Blender 3.2+)

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