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I have trouble to create geometry nodes that stack my rocks on a square shape. I would like to create a maya temple so I had the idea to use geometry nodes to do it using rocks.

enter image description here

Here is the result I would like to get, basically I had the idea to do it level by level. In red this is what I would like to achieve with the geometry nodes, to just do the fisrt level of rock from this temple for example. enter image description here Thanks in advance for any help :D


Edit:

This is what I did currently, but it takes the entire collection, I don't know how to pick object separetly from the collection.

enter image description here

Here is the result:enter image description here

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  • $\begingroup$ please show us some pics or sketches what you want to achieve, thx. You can copy/paste images into your question. $\endgroup$
    – Chris
    Dec 28, 2022 at 2:38
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    $\begingroup$ I edited my question :D $\endgroup$
    – Alka
    Dec 28, 2022 at 15:54

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Maybe you wanna start with this?

I used GN simulation nodes already (because with it you can change each instance per frame which is pretty helpful in this case):

enter image description here

result:

enter image description here

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    $\begingroup$ Super cool the new 3.5 simulation nodes ! Thanks Chris for sharing. $\endgroup$
    – Fred I. R.
    Dec 28, 2022 at 16:35
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    $\begingroup$ Wow thanks a lot for your answer this is exactly what I needed ! $\endgroup$
    – Alka
    Dec 28, 2022 at 16:43
  • $\begingroup$ Oups I talked too quickly, is there a way to randomize the cube ? I have 5 differents object I would like to randomize $\endgroup$
    – Alka
    Dec 28, 2022 at 16:50
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    $\begingroup$ of course. You could just put your cubes in a collection and link that collection instead of the cube in the instance on point node. Exactly as you did it in your question. And please - don't change/update now your questions with additional wishes you didn't wrote before. Just accept the answer (click on the checkmark left of my answer) if it helped you. If you have other/more specific question, please open a new question. You can open as many as you want. If you ask additional things in the comment - nobody can find these questions. And others want to learn from this as well. thx. $\endgroup$
    – Chris
    Dec 28, 2022 at 17:53
  • $\begingroup$ Okay sorry I'm new to this forum $\endgroup$
    – Alka
    Dec 28, 2022 at 18:16

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