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  • Published 26 Jan 2026

Store faces/points/edges as attribute selection mask

I use geometry nodes extensively for procedural modeling. Something I wish many times is to be able to store some selections of my generated mesh faces/edges/points to then manipulate them later in my gn modifiers. Because they are not models made to begin with, I can not just go into edit mode to select them.

A modifier that will turn my generated mesh in gn selectable and allow me to store them as mask selections would be ideal. That way the next gn I made in the modifier gets that selection data I can use.

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Development Status: Open

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eug
26 Jan 2026

3 Comments

zuorion

Attribute Editing has not yet been implemented in any form, except set attribute operator. And modal tools are planned to come this year.

So Your proposal will be added in some way kinda soon.


But as of now You can already achieve storing selection as attributes in many ways:

  1. In Tool sub-type of geometry nodes there is available selection node . So You can set up currently set up Your own "Store x as selection mask" operator.

Geometry>Read>Selection 2. Add attribute bool of desired type > and se previously mentioned set attribute 3. Use an addon. There are many addons that help creating selection groups based on selection eg. commercial Zen Sets , or free Keyops that adds exact operators that You are proposing:

4
gwetell

One of the first things I created using geo node Tools is this exact thing, then I saved it as an asset and use it every now and then, very handy little thing!

eug Author

Wow I'm learning new things with this! Thanks for getting back to me too! I'm not sure what the attribute editing will look like at the end, though I think it's not exactly what I wanted and I may haven't stated this part any better. But imagine if you made a mesh thru gn (can be UVSphere, planer, or any primitives or 'Curve to Mesh'). I wish to have a way to selectively store a selection visually from the scene and it stores back these preferably like index selections. I know some people will just say to enable 'attribute test' and look up these index and add them into gn, but I like to have it visually selectable and who knows how many I would want to select based on an art director's needs. Even if I would add int as nodes to select which indexes I want, it be nice if there's a way to have an array/list of ints node then me adding tons of 'or/and' nodes. It wouldn't be modular for others