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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Unwanted extrusions Inside geo node structure

I'm fairly new to all of this and have had most of my fun in geometry nodes. I would like to know what I can do to get rid of all this internal mesh-stuff happening inside the object as well as the ...
Bea Bara's user avatar
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27 views

Repeat Zone is not adding values as expected

I want to plot a freefall function with drag. Because I have two variables that rely on each other I need to solve it numerically. For some reason the passed velocity in the repeat zone is not being ...
TheJeran's user avatar
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How to manage duplicate geometry in Repeat Zones?

I am trying to achieve the building in, and animating of elements of a pressure gauge. In particular, I am trying to use a repeat zone in geometry nodes so that I can animate in the tick marks and ...
MrOfnoctonod's user avatar
5 votes
1 answer
83 views

Geometry Nodes: How to find the 2 vertices that are furthest apart?

For example on an object like a banana, a snake or a C shaped object. Is there a way to find the 2 "endpoints" or the 2 vertices that are furthest apart using geometry nodes?
muckyu's user avatar
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Donut Tutorial: My long sprinkles are looking thin and weird. How do I fix this issue?

I've been stuck on this issue for a long time and I've redone the tutorial twice and still get the same results. The long sprinkles are weirdly shaped and aren't sticking properly to the icing layer ...
MELT UP's user avatar
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1 answer
40 views

Control of instance parameters through sockets (geometry nodes)

I created a primitive torus using geometry nodes. Then i created an array of such rings using a line (Instances On Points). I need the diameter (socket "Main Diameter") of these rings to ...
arachnoden's user avatar
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How I can tell if an input of kind object or material is empty?

I want to be able to tell if an input for a geometry node is empty or not. So far I found I can check if an object that is set from an input is empty or not like this. This feels like a hack and I ...
ellipticaldoor's user avatar
1 vote
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How I can select the faces that are enclosed inside the volume of another object?

I have this two objects, the left one is the main one, and the right one is the volume I want to use to intersect the faces I want to extrude. To do that I'm using a geometry node like this to place ...
ellipticaldoor's user avatar
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Offseting two geometry node groups by faces or index

Most of the logic I've seen around this have been for collection/objects. I am working on creating an geometry building builder and want to offset the face of one building side (node group) against ...
jo A's user avatar
  • 25
3 votes
3 answers
264 views

Creating / 3D Printing large O-rings using geometry nodes

Creating / 3D printing large O-rings using geometry nodes I'm trying to create and 3D print large connected O-rings given its length, width, and height (that won't fit on the print bed circularly) ...
Rick T's user avatar
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How to exclude specific meshes for the Distribute Points on Faces node for mesh scattering?

I'm currently setting up geometry nodes to scatter meshes on a plane using weight maps for the placement. The problem is that there is another, separate geometry node to scatter a different mesh on ...
RoseaMarie's user avatar
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Geometrynodes how can i adjust the length of each to the closest length that is divisible by 2m

With geometry nodes how can i convert a mesh into a curve and adjust each edge so it can be divided easily into 2m pieces. I do not need to keep the exact shape but what i do need is to adjust the ...
SarahLee's user avatar
  • 161
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44 views

Geometry nodes: align objects spawned on faces to their normals (y), bottom edge (-z) and bottom edge direction (x)

I use Face normal and face bottom edge direction, to calculate instance orientation per face. but some of the instances are flipped. I think the problem is with calculating the vector of face bottom ...
Pooya heydari's user avatar
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32 views

Problem with dimensions of Meshs when using Curves in Geometry Nodes or Modifier Array

All is in this image ! Thanks !
SYR06's user avatar
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3 votes
1 answer
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How I can smooth the border that is left after applying "Difference" with a "Mesh Boolean" node?

I have the following model where I want to carve a shape into the geometry. I'm trying to use a geometry node so far because I need to create many shapes like this but procedurally. My problem now is ...
ellipticaldoor's user avatar
2 votes
1 answer
68 views

How to add object coordinates to instance coordinates?

I'm trying to create infinite "Teleport Waves" and everything is going well until I try to move the teleport itself. Then the waves stay in place. My attempts to intercept the coordinates ...
arachnoden's user avatar
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3 votes
1 answer
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Geo Nodes: Delete Animated Instances Permanently

I'm trying to make pacman eat these balls permanently. I set up a simulation zone as you can see below to try to make the delete geometry permanent. That works but gives me two new issues: The ...
Black Fox's user avatar
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Geometry Nodes: How to make a beautiful randomized GIT-tree?

I've been battling with this project for eternity now. Always failing. So, I would like this to be created, but with random branching and random amount of branches. The branches should get merged to ...
Manu Järvinen's user avatar
2 votes
2 answers
263 views

How to make a circle mesh with smooth coronas at different heights?

I am trying to make this effect with a mesh and geometry nodes. As outlined in the picture, I would like: The points of the circle to be at varying heights. There to be a smooth curve between them. ...
yojimboyd's user avatar
1 vote
1 answer
104 views

Controlling thickness of node-generated concentric rings

These 36-segment concentric rings are formed from node-generated, circular edge loops. The planes between them aren't — I've bridged the edge loops myself — but the edge loops are procedural. Below ...
KEY_ABRADE's user avatar
2 votes
1 answer
54 views

How to reproduce Blender's smooth shading?

Thanks to help of shmuel I made a setup for interpolating a normal in geonodes. Ideally, it would reproduce Blender's smooth shading exactly. So I reproduced the setup in the Shading nodes. In order ...
Markus von Broady's user avatar
2 votes
1 answer
120 views

Assign a different color to each face using geometry nodes

It is easy to set the position of each vertex of a mesh using the SetPositionNode. The change in position is nicely shown in the spreadsheet. The spreadsheet also lists the faces. Is it possible to ...
p6majo's user avatar
  • 165
0 votes
1 answer
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Render Artifacts from Proximity

I'm working on a project where everything is looking fine in the viewport, yet under certain circumstances there are weird artifacts in the render. The render looks fine if there is more space between ...
mjmoody's user avatar
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4 votes
1 answer
99 views

how to keep the original material after using simulation zone in GN?

After changing the geometry in a simulation zone, my whole material is "gone". Does anybody know how to get it "back"?
Chris's user avatar
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1 answer
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Problem in randomizing the geometry of 'Instances on Points' that is based on another meshes

I am trying to create a scene that is having a lot of random meshes run toward the centre. I randomized the line of meshes sequence, but when i put it on the points of a UV sphere, it doesn't ...
RL1234's user avatar
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0 votes
1 answer
36 views

Capture Top and Side Boolean from former Extrusion to new Geometry (Geometry Nodes)

I am trying to create some lichen like, differential growth style animation, where the open edges of a mesh extrude outwards and "subdivide" (by extruding individually and scaling the ...
Todes Digga's user avatar
2 votes
1 answer
57 views

setting position of each instance with captured attribute node to each vertex

I have a cube and cone , and I want to place each cone in the corner of the cube. The simple way to do it would be: But, I'm ...
bzal's user avatar
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0 answers
44 views

how do I create a row of bricks with geometry nodes?

How can I create another row of bricks? and make the seams the same when changing the size of the
Andrey Re's user avatar
  • 147
0 votes
1 answer
48 views

Realistic terrain with geometry nodes but it reacts to placed objects?

I am still learning geo nodes and need some help with realistic terrain generation. The goal in the end is to have a plane that will make it appear that the cube is on sandy terrain, but directly ...
falk's user avatar
  • 127
2 votes
1 answer
42 views

Geo Nodes - Distribute points on faces

Heyo ya'all! I've been trying to wrap my head around a concept. Is there a way to distrubute points on the faces of an animated mesh, without some disappearing/appearing due to the mesh transformation?...
Normaly's user avatar
  • 21
2 votes
1 answer
59 views

Geometry nodes, select faces that are connected to the selected edges

I have these edges, and I need to separate the faces that are connected to these edges. I think it's possible by using "evaluate on domain node", but I couldn't make it.
Pooya heydari's user avatar
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1 answer
45 views

Deleting edge loops parallel to the z axis of a spehre with geometry nodes?

I am completely stucked how to delete edge loops which are on a parallel to the planes of a spehre with geometry nodes. Can someone give me a hint please?
Zsolt Sándor's user avatar
0 votes
1 answer
56 views

How to make a cut out on objects created by modifiers?

I have an object (cube) replicated by modifiers. Now I want to cut out a dedicated other object (cylinder) from it using a boolean modifier (inspired by https://youtu.be/1aNnERnHRZg?feature=shared&...
Markus W.'s user avatar
  • 179
2 votes
2 answers
134 views

Rotation of instances aligned to curve tangent and normals of another object

I hope your're not mad about another dump rotation alignment question. I'm trying hard to wrap my head around this topic, but still fail at certain points. And other answered question here i can't ...
Rolando's user avatar
  • 55
0 votes
0 answers
51 views

My donut sprinkles transformed in an extremely unusual way, possibly due to geometry nodes problem, can someone help?

I had reached part 7 of Blender Guru's latest Donut Tutorial series and I reached a part where... I don't know how to describe this, but here's what happened after some tweaking in the geometry nodes: ...
MELT UP's user avatar
  • 55
1 vote
1 answer
44 views

Geometry Nodes: How can i prevent an instanced mesh to protrude over the "border" of the parent face?

I distributed points on a face with material_1 (green). I instanced a disk on the points. How can i prevent the disks to protrude over the edgeloop that surrounds material_1? (Deleting the disks in ...
sinwar's user avatar
  • 203
4 votes
2 answers
259 views

Geometry Nodes: How to Make Randomly Varying Offsets in Mesh Line?

This works so-and-so, but not perfectly. What I want is to add a new line section with every new iteration, in 1-3 meter line lengths randomly. But now they increase the line length overboard as I up ...
Manu Järvinen's user avatar
0 votes
2 answers
75 views

(geo nodes ) Have multiple concentric rings move as one relative to a bigger ring

sorry for the vague title, I don't know myself exactly what I'm looking for. So I have this setup from this video of ryan king https://youtu.be/H_Ipk9yLXl0 but i want to make the rings move with geo ...
Valérian's user avatar
0 votes
0 answers
16 views

Make modifier data single user copy with blender python

I am linking Geometry Nodes modifiers of 2 meshes using blender python, but after that, I want the modifier of each mesh to be of a single user copy. Is this possible? ...
jugaadanimation's user avatar
1 vote
0 answers
40 views

Geometry Node, Projecting Mesh Intersection as Faces on another Mesh

all working on some sort easier solution for applying stains on my models... main idea is applying mesh intersection of this default colored grey bloob on surface of my model, to get some nice stains ...
NotSoEpicBlenderMaster's user avatar
0 votes
0 answers
39 views

Please help me with my DONUT TUTORIAL!

I'm following the donut tutorial as “hello world” to Blender. I used geometry nodes to built random sprinkles, now, I am facing a problem. My sprinkles are overlapping each others. How can I make ...
 Henly's user avatar
0 votes
1 answer
47 views

Interpolate hair curve leaves only one strand

I have tried using the Blender hair system a couple of different ways. I am new to blender in general and I am trying to learn to make mods. I have tried using geometry nodes and the built-in hair ...
Anastasia's user avatar
0 votes
1 answer
77 views

how do I create bricks in an object with geometry nodes?

I want to create a brickwork repeating an object (arbitrary shape) with the correct layout. How can this be done? thank you in advance! How can I create another row of bricks? and make the seams the ...
Andrey Re's user avatar
  • 147
1 vote
0 answers
28 views

Filter instances by name with Geometry Nodes?

Using the Blender-OSM addon I get thousands of buildings, wheras important buildings are listed by their names, unimportant buildings match the pattern "element.*" (see picture below). To ...
Andy's user avatar
  • 191
1 vote
0 answers
44 views

Extrude Curves in Collection with Geonode

I'm working on a decorative piece that will be finally 3D printed. I'm trying to extrude all the shapes (petals of a blossom) that you can see in the picture. Ideally their extrusion height would be ...
superno's user avatar
  • 43
2 votes
1 answer
131 views

Can Geo Nodes Read An Excel File

Can Geo Nodes read an Excel file? Similar to what Sverchok can do https://youtu.be/Q_2oiTTZHOI
Bedson's user avatar
  • 63
3 votes
1 answer
151 views

How to curve deform a line of points - of specific uneven distances - and then instance on these points following the curve's rotation?

I started with this: ... And I was able to deform it to the curve with correct rotation like that below - but the points are all in the same position. How do I offset them individually on the curve ...
Pedro Ribeiro's user avatar
1 vote
1 answer
135 views

Is there a technique to *automatically* thicken up all thin parts to a certain minimum?

I regularly print models which have features that are just a bit too thin. I thicken those up manually with the sculpting tools in Blender. This works fine, but is quite time intensive. I have to ...
AnoE's user avatar
  • 113
0 votes
1 answer
55 views

Transfer Attributes from One Geo-Node to Another

TL;DR How do I transfer attributes from one geo node on one Object to another geo node on another Object? Hey guys, trying to ...
Spring E. Thing's user avatar
1 vote
1 answer
80 views

How to output random integer for duplicated node group

How to create a node group that outputs a random integer every time it's duplicated (without it needing you to put any different input value to it). Is that even possible? That is okay if some other ...
Manu Järvinen's user avatar

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