Questions tagged [geometry-nodes]
Geometry Nodes is a node-based system in Blender for creating and manipulating geometry procedurally. Introduced in version 2.92, it allows for non-destructive modeling and advanced effects by connecting nodes to define workflows. Use this tag for questions about creating, modifying, or troubleshooting setups using Geometry Nodes.
5,647 questions
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Selecting mesh island from raycasting and sampling nearest face (select nearest face to a point and then select whole island that the face is part of)
Tried to put as much info in the title as I can. I have a series of mesh islands blocks (forming a wall, but that doesn't matter). I'm trying to isolate the top blocks (or the exposed blocks, if the ...
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How to create a 'tentacle' comprised of cables, that tapers at the end while maintaining a constant cable width?
I'm trying to create a 'tentacle' comprised of cables, that tapers at the end while maintaining a constant cable width.
I can make a bundle of cables that maintains a constant bundle thickness, but I'...
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General question [closed]
I have recently started blender and spent 200 hrs on blender geometry nodes in last 2 months . I am doing this as a side learning as I have a main job. From now I have decided to learn a bit slow , my ...
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How to Reorder Mesh Island Index by Z-Position (Lowest Z = Index 0) in Geometry Nodes?
I'm working on a Geometry Nodes setup and need to reorder the Mesh Island Index so that the indexing begin with the lowest minimum Z-coordinate.
The default Mesh Island index is based on vertex order, ...
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Scale instances in Geometry Nodes relative to a trim curve animation
I'm relative new to Blender and super noob related to Geometry Nodes. I've searched a lot online, and had my share of angry discussion with ChatGPT trying to solve something that, at firts seems ...
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Define Min and Max Values in Geometry Nodes Relatively to Another Mesh
I am new to Blender.
Suppose I have a Bottom Mesh that is 10 metres deep (X) and 10 metres wide (Y), and a Top Mesh that is 5 metres deep and 5 metres wide. Each is created with a Cube Mesh Node.
I ...
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Applying Curve to Tube without losing subsequent modifiers
I used this workaround to make Curve to Tube work with Catmull-Clark Subdivision. However, now I cannot apply the Geometry Nodes modifier due to this error:
Cannot apply constructive modifiers on ...
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Snap nearest Spline with geometry node
How to snap the nearest spline ?
I would like to find the closest spline of a given vertex, and then change the factor value to put my vertex where I want on this spline.
Here I have a curve with 3 ...
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Spawn image as plane sequence as particle and start at frame 1 each time
So I have an image sequence of a VDB, and I have a emitter particle system set to the collection of that VDB, I have it spawning over an area fine, but the image sequence particles all play a the ...
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Porous structure in Blender 5.0 [closed]
I am trying to recreate this material in Blender 5 with Volumes.
I watched some old tutorials where you subtract the noise of a Voronoi, but I don't really understand how to approach this in Blender 5....
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Volume to mesh from simulation not working
Blender file
I am trying to create a mesh file from a simulation of fire. My final goal is to make a 3D printable flame. I am trying to follow a tutorial but I am on 5.0 and I think the video was made ...
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Textures in Geometry Nodes not showing
I have applied a material to a mesh. It is the blue material shown in the first image below. The material has an associated texture, which you can see in the second image. However, this texture does ...
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Can't find 'Mesh Edit Mode Overlay
I'm trying to edit the vertices on a geometry node cube, and for that I need the vertices indexes to be visible, as displayed on the image below that's part of a video tutorial I'm watching. In the ...
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How to extrude edges along normals (geometry nodes)
How can I reliably select the top edges by their Z position and extrude them in the direction of their normals? I’m trying to make a simple book cover in Geometry Nodes, but the Z-based edge selection ...
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Automatically repeat meshes on top of each other with geometry nodes
I'm learning Geometry Nodes and working on a setup where a mesh repeats endlessly on top of itself. That part is sorted, but I want the Z Offset to match the mesh's Z size so they snap perfectly ...
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