Questions tagged [geometry-nodes]

Use this tag for questions regarding Geometry Nodes, a modifier added to Blender in version 2.92 to manipulate geometry in a Blender scene.

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38 votes
15 answers
6k views

What's the most fun way to make a Snowman in Blender? ❄︎❄︎❄︎

Previous challenge: What's the most fun way to create a fork in Blender?? Winter is here, and I'm trying to build a snowman. But my Blender freezes after the first snowball! (is it because of the ice?...
jachym michal's user avatar
26 votes
5 answers
6k views

How can I re-sort the points/indexes of an object in geometry nodes?

I wonder if there is a possibility to re-sort the indexes of a mesh according to a certain criterion? Again and again in Geometry Nodes unfavorable situations arise where the point distribution or ...
quellenform's user avatar
  • 34.9k
26 votes
2 answers
16k views

Control Instance Color with Geometry Nodes

I'm excitedly playing with the new Geometry Nodes system, but I've run into a limitation. I would like to control the color of object instances created with the ...
peacememories's user avatar
25 votes
2 answers
18k views

how to bend geometry with geometry nodes

I want to create array on curve with geometry nodes, but I am unable to merge the instances so I get a continuous mesh, like a rail. I tried to use the weld modifier but it does not work with geometry ...
Goran Alexandru's user avatar
24 votes
1 answer
12k views

Can't find the node! Which node is available in which Blender version?

It's not hard to lose track of all the Geometry Nodes in Blender, especially since names and function have changed over time. ...But honestly, it's getting pretty tedious. Many tutorials talk about ...
quellenform's user avatar
  • 34.9k
22 votes
1 answer
37k views

Where is Transfer attribute in 3.4?

Where is Transfer attribute node in 3.4? I don't find it in the list of nodes:
Crantisz's user avatar
  • 35.1k
21 votes
1 answer
4k views

Why is there a red line when I try to connect one node to another?

I'm trying to connect one node to another here, and I get a red line: I just can't figure out why and what this is. What I have tried so far to solve the problem: I made myself a cup of coffee I ...
quellenform's user avatar
  • 34.9k
19 votes
3 answers
5k views

How could I get the distance of a point to its nearest point?

Say I got some points distribut on a sphere, how could I get the distance of each point to its nearest point, for example, in pic 1, there is a point A, and its nearest point is B, and what I want is ...
Daedra's user avatar
  • 367
18 votes
2 answers
2k views

Stadium Seating Letters

I'm trying to add letters to stadium seating, to make a custom version of the title sequence of Ted Lasso. I modeled a simple version of a seating block, but now I have to add the letters to it, and ...
Puzzles's user avatar
  • 183
17 votes
2 answers
13k views

How can I bevel the edges of a cube with geometry nodes?

I would like to use Geometry Nodes to add beveled edges to a cube, exactly (!) like the modifier Bevel would do. I am interested in reconstructing the effect as ...
quellenform's user avatar
  • 34.9k
17 votes
1 answer
2k views

How can I instantiate a procedural node group with different parameters?

Suppose I have a beautiful node group that procedurally generates a plant (or building or whatever) for me: PS: This plant is available here: Staggered palm frond leaves with Geometry Nodes? Now I ...
quellenform's user avatar
  • 34.9k
16 votes
6 answers
3k views

How can I create a hexagonal structure with Geometry Nodes?

I am looking for the simplest possible solution to create a hexagonal structure like this with Geometry Nodes: Which solutions are there? Bonus Tasks: Additionally I want the hexagons to have ...
quellenform's user avatar
  • 34.9k
16 votes
6 answers
2k views

How can I better structure my node tree and make it easier for others to understand?

I built a Node with a Geometry Nodes node tree, but now I only see knots instead of nodes, which drives me nuts, and don't know how to make it look great again. As you can see, I have what I think is ...
quellenform's user avatar
  • 34.9k
15 votes
12 answers
4k views

What's the fastest/most fun/craziest way to make a flowerpot in Blender?

How would anyone deal with making a flowerpot, as it's useful while making interiors? You can use anything, but there are some limitations and rules: No externally installed addons/plugins are ...
Yousuf Chaudhry's user avatar
15 votes
3 answers
2k views

What's the most fun way to make a Santa Claus hat? 🎅

I bought a 3D printer, and as my first project I decided to print a hat missing in my Santa Claus costume, however it came out pretty stiff and without any geonodes hair??? So I returned the 3D ...
Markus von Broady's user avatar
15 votes
4 answers
619 views

Perfect chain generator

So Generate chain using GN is simple, right? Resample curve, instance torus aligned with tangent vector and rotate every odd instance 90deg. So easy. If you have a smooth curve, it looks ok. But ...
Crantisz's user avatar
  • 35.1k
14 votes
1 answer
10k views

How do you select a single face on a cube in geometry nodes?

This is a very simple question that I cannot seem to find an answer to online. All I want to do is make a selection of a single face in a mesh to apply a material to it. The example image shows a red ...
Edward Serfontein's user avatar
14 votes
3 answers
6k views

Modify instance geometry based on the location of the instance

I'm trying to use an attribute generated from an instance position to affect the geometry of the instances. For example with the below setup, let's say I want to shift just the 4 top vertices of each ...
Perpetual Color's user avatar
13 votes
2 answers
2k views

How do I create a 3D parametric surface using Geometry nodes?

This question asked how to plot the graph of 2D parametric equations using Geometry Nodes. But how about parametric surfaces generated by parametric equations of the form $$ x = f(u, v)$$ $$ y = g(u, ...
Marty Fouts's user avatar
13 votes
2 answers
1k views

How can I recreate this "balloon" and distribute objects randomly and also resize them randomly, like in the picture?

I would like to recreate this picture but I'm unsure about what's the easiest / best way to achieve this. If you have any suggestions, I'd really like to test them out (I'm sure you could use geometry ...
Philip K's user avatar
  • 131
13 votes
3 answers
12k views

How can I get a new random seed for every object using the same geometry nodes?

I'm making a small medieval city using geometry nodes in Blender 2.93, where each building is a separated object, but they all share the same modifier list (and the same geometry nodes). I added some ...
Dalibor-P's user avatar
  • 1,034
12 votes
3 answers
10k views

Where is a proper way to get back UV map after Realize Instances? [duplicate]

Where is a proper way to get back UV map after Realize Instances? So let's say I have a distribution of the instances: When I enable "Realize Instances" I completely lost my UV data, while ...
Crantisz's user avatar
  • 35.1k
12 votes
3 answers
2k views

How do I plot a 2D parametric equation in Geometry Nodes?

Summary: How to graph a 2D parametric equation using Geometry Nodes? Details: This question asks about plotting 2D functions of the form $y = F(x)$ using Geometry Nodes, and of course the simplest way ...
Marty Fouts's user avatar
12 votes
3 answers
5k views

How to position random instances one after another with Instance on Points based on the dimensions of the previous Instance WITHOUT OVERLAP? (Fence)

Objective I want to create a procedural fence with Geometry Nodes, where the fence may have random plank types. The planks must be positioned one after another, without overlap, right after the ...
AlfredBaudisch's user avatar
12 votes
1 answer
541 views

Can I create real/editable curves with Geometry Nodes?

I am creating some curves here with Geometry Nodes: Now I want to apply the modifier so I can process these elsewhere as Bézier curves outside of Geometry Nodes. This works fine as soon as I convert ...
quellenform's user avatar
  • 34.9k
11 votes
2 answers
16k views

How to array with Geometry nodes

Well I'm trying to replicate this image using geonodes in blender But I cant figure out how to make the arrays and for some reason the array modfier does not work with the geonodes. I only did this ...
CachorroZebu's user avatar
11 votes
1 answer
5k views

Is it possible to get mesh vertex count in geometry nodes?

There are some operations I'd like to do that depend on the vertex count of a mesh. But I don't know how to find the total number of vertices.
TheJeran's user avatar
  • 2,581
11 votes
1 answer
9k views

geometry nodes disappear after applying

I made a geo nodes setup for the ball and used a object info of a single ball but when i apply the geometry nodes in the modifiers tab every ball disappears from the scene except the original ball. ...
Ajay Sharma's user avatar
11 votes
2 answers
715 views

Geometry Nodes - How to lookup a value from another geometry? (Index at Value) For Phyllotaxis

The long story short is that geometry A has a "accumulated area" attribute describing cumulative area covered by each consecutive point on a curve. Geometry B needs to copy the position of a ...
Iloveplants's user avatar
11 votes
1 answer
698 views

Is where a way to pass data to material without realizing instances?

So, I have set up like this (3.1): I generate some color (random is just for example) and send it to output to use it in the material. But the only way to make this work is to use realize instances ...
Crantisz's user avatar
  • 35.1k
11 votes
3 answers
5k views

Is extrude possible in Geometry Nodes?

I can't find any node related to extrusion or inset in Geometry Nodes. Searching web and Stackexchange in particular hasn't provided me valuable results. Is there anything like this or at least any ...
Andrey Sokolov's user avatar
10 votes
2 answers
5k views

Curve to Mesh with UVs in Blender 3.x?

How can I use geometry nodes to turn curves into a mesh and create UVs at the same time? When I use the Curve to Mesh node with a base curve and a profile curve, no ...
quellenform's user avatar
  • 34.9k
10 votes
4 answers
2k views

geometry nodes - Get Faces of Edge

Note: After a little bit of tinkering I got a new geometry node in Blender that makes this very easy to implement: https://docs.blender.org/manual/en/dev/modeling/geometry_nodes/mesh/topology/...
soerensc_'s user avatar
  • 140
10 votes
1 answer
1k views

How do I interpolate two Bézier Curves and create instances in between?

I am trying to create realistic book pages. I've created two Bézier curves for the top and bottom pages, and now I'm trying to "interpolate" them and create instances between the two curves. ...
Leon's user avatar
  • 101
10 votes
1 answer
2k views

Uneven Profile Curve Thickness with Geometry Nodes Curve to Mesh?

I've been trying to build a Geometry Node group that in part is able to create a mesh of even thickness around a three-dimensional curve that features sharp corners. After much research I'm aware that ...
Takanu's user avatar
  • 187
10 votes
2 answers
7k views

Geometry Nodes: Rotate positions about a point?

I've wanted a Simple Transform modifier for ages.. using an Axis/Origin object, by vertex weight. I'm thinking Geometry Nodes will make it possible to construct our own. I would like to have been able ...
Robin Betts's user avatar
  • 75.7k
10 votes
1 answer
2k views

Geometry Nodes: Delete specific points from a curve by index

I have a Bezier Curve with 7 points, and a Geometry Node modifier. Geometry Nodes will place a Cube at every point along the curve. How can use the Delete Geometry ...
David B's user avatar
  • 353
10 votes
2 answers
3k views

How to get Geometry nodes modifier inputs and its type using python

Is there any way to get the input value and type of Geometry Nodes modifier I want to use these values in an addon, but these are not consistent, so I can't call it by using this command as sometimes ...
Rakesh choudhary's user avatar
10 votes
2 answers
8k views

Geometry Nodes: Is it possible to merge multiple curve segments?

I am using Geometry Nodes in Blender 3.0 to generate a bunch of curves and I would like to join them together - ideally converting them to a single curve object. The Join Geometry node allows me to ...
Sebastian Feistl's user avatar
10 votes
2 answers
10k views

How can I see the output of geometry nodes?

I need a node like the "view" node in the Animation nodes. This is for debugging purpose. If I added two values or used the sin function and I want to check the results are correct or not, ...
user2824371's user avatar
10 votes
1 answer
990 views

Geometry Nodes Terrain LOD system. Stiching holes on LOD borders

Currently I'm trying to develop an LOD (Level of detail) system for a terrain mesh based on geometry nodes. I use a Separate Geometry node to split a grid into circular LOD regions and subdivide the ...
bakkaa's user avatar
  • 203
10 votes
2 answers
5k views

Blender 3.0 geometry nodes - how to edit vertex normals?

One of my favorite techniques in Blender is editing vertex normals to make stylized trees like in this article: link The technique works in a nutshell like this: create leaves texture and model in ...
Dalibor-P's user avatar
  • 1,034
10 votes
1 answer
3k views

Import data (x,y,z + attributes) from file into geometry nodes

I have some data with cartesian coordinates + some attributes (e.g. size, rotation, and/or color) outside blender and want to use that as basis for geometry nodes. For example, I want to use the ...
Phann's user avatar
  • 447
10 votes
1 answer
2k views

Geometry Nodes instance scale based on distance from other instances (Circle Packing)

On the left is a standard instance on points, on the right a sketch of what I want to achieve, where the instances scale based on their distance to the closest other instance. How can I achieve ...
torels's user avatar
  • 712
9 votes
1 answer
12k views

Geometry Nodes: Is it possible to connect point instances with curves? (Blender 3.0)

on my current scene I am trying to create a geometry node system that let's me distribute power poles along a street. The street is made of a curve and I can of course use that curve in combination ...
Marten Zander's user avatar
9 votes
4 answers
785 views

Coral reef - How to blend scattered instances

I'm trying to recreate the surface of a coral reef, and I would like to experiment a little with geometry nodes. My result so far, I just do a Distribute points on face, and Instance on points. My ...
Samih EL SAKHAWI's user avatar
9 votes
5 answers
1k views

Make object glow when near other objects

I'm working on a project in blender and I've encountered a problem. I want to make a marble run. I have a tube that the marble will go through. It is made from a few hollow cyllinders. I want to make ...
Marcin Pacześniak's user avatar
9 votes
4 answers
3k views

What type of Euler angles is used in Blender?

My understanding There are several possibilities for representing a rotation, e.g. direction + angle, which is the most visual but requires two distinct objects, and matrix or quaternion, which are ...
mins's user avatar
  • 1,602
9 votes
2 answers
2k views

How can I rotate the grid instances radially?

I have this scene in where the trees are falling down in a radial fashion: How can the Z-axis of the trees to be aligned so that the trees would fall like so: .Blend file: NOTE: The falling trees ...
Manu Järvinen's user avatar
9 votes
2 answers
18k views

Is it possible to apply Geometry nodes? [duplicate]

I have used geometry nodes to scatter objects at the vertices of a plane. I'd now like to apply this so it becomes a mesh and then I can export it into other software. Is this possible in 2.92 or any ...
Te3th's user avatar
  • 91

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