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  • Published 31 May 2026

Masking Grease Pencil in Geometry Nodes

Currently, there is no way of setting a grease pencil layer as the mask of another layer through geometry nodes; furthermore, if in a grease pencil object, one of the layers uses a mask, when merging the said layer with another one using geometry nodes, the mask breaks.

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Development Status: Open

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user
31 May 2026

5 Comments

Rosenthal

There's also no way to access layer blending modes in GP. Quite a lot of GP variables are not accessible via GN.

user Author

Yes. Things like enabling lights and reordering layers are also not possible.

frogstomp_blenderislove

Are you sure? You can add strokes to layers and have your masks setup in the layer panel.

user Author

Yes. Once layers are merged using geometry nodes (for example merging two layers that are masked to a third layer), the mask breaks. Also, there is no way of masking completely geometry nodes generated grease pencil strokes.

Rosenthal

Yes please. Would also be nice if the usual "GP to Curves" and "Curves to GP" combo would preserve the original input geometries masking data.