Not convert to grease pencil in blender 4.3

Hi. Can you tell me how to export a curve that was created in geonodes to an svg file?
And in blender 4.3 I can’t even convert a regular curve to grease pencil. And I don’t understand why…

Convert to operator has been broken by GP3 ( which means support of Geometry Nodes by Grease Pencil ).
Bug was reported, but not fixed before 4.3 release.

You can still add a Geometry Node modifier to a GP stroke object.
Then, you can drag and drop Curve object from outliner into GN node editor to create an Object Info node refering to Curve object.
Enable As Instance option of Object Info node.
Add a Curves to Grease Pencil node between Object Info node and Group Output node.
Add a Set Curve Radius node to fix thickness.
Apply modifier.

Then, you can use Grease Pencil as SVG export.

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Thank you very much, but I can’t apply the modifier because I get the error “evaluated geometry from modifier does not contain a mesh”.
I read on the internet about it and found one solution - to put Realize instances at the end, but it didn’t work in my case. The error is the same. What do you know about it?

You did correctly what I wrote, except the first step.
You were probably confused by somebody trying to do it the opposite conversion (GP to mesh instead of mesh/curve to GP).

The Geometry Node modifier has to be added to a GP Stroke object, not default cube.
Maybe, I should have written to add a GP Stroke object to scene.

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This issue has been resolved. Thank you very much.