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Questions tagged [geometry]

Questions pertaining to creating, generating or editing an objects geometry. Object geometry is defined by editing and creating the location and rotation of vertices, edges, and faces.

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Geometry Nodes Merge Proximity

I'm trying to create two 3D objects like this: but with their edges merged like this: using geometry nodes. Can someone point me to some resources that will let me do this? I tried convex hull, it ...
Sophia's user avatar
  • 553
1 vote
1 answer
36 views

Geometry Nodes: How Can I make an Organic Vein system?

I want to make a geometry system that takes the volume of a mesh and first makes a bunch of sphere instances in the volume (these are stars) then the system makes pathways and organic vein-like ...
J B's user avatar
  • 27
-2 votes
0 answers
16 views

Is there an easy way to merge all faces and vertices together, since I may have went about building this terribly

I built this planter pot starting with a cylinder, then built off that in various ways, mostly extruding vertices, making sure to have at least 2 vertices snapped to the main object, and then created ...
ezwifi's user avatar
  • 1
3 votes
2 answers
249 views

Extrude mesh based on proximity to faces

I am learning Geo Nodes and trying to understand this: Why is the extrusion uniform and not based on the empty controller's position and different faces? I expected to see that the greater the ...
N03's user avatar
  • 485
0 votes
1 answer
39 views

How to select non-manifold edges in geometry nodes?

I have a piece of clothing geometry that has arm and leg holes, I would like to create a selection of these parts programmatically in geometry nodes, is their an elegant way to accomplish this or am I ...
Sooroojdeen's user avatar
0 votes
1 answer
48 views

Set Position by using mesh islands in GeoNodes

I've divided my geometry into multiple mesh islands and stored a named integer attribute to identify which vertices belong to the same group. Then, I split edges to make some offset adjustments, and ...
JarodH99's user avatar
0 votes
1 answer
21 views

Correct use of Merge by Distance in Geometry Nodes, with smooth joining sites

I´d like to effectively merge two curves at their ends in Blender's Geometry Nodes without creating angles at the joining sites, while maintaining the smoothness of both curves. I wonder what is the ...
Carlos M's user avatar
1 vote
1 answer
55 views

Geometry Node: how to offset vertex position in world space [duplicate]

I want to offset vertex position of multiple objects in one direction only, regardless of their own rotations. This is very simple in Unity or Unreal Engine (for example: using a noise texture to ...
Trung Nguyen's user avatar
2 votes
2 answers
144 views

Object Library for basic geometry

For example in Houdini : Where can I find this Library for basic geometry (box, sphere, plane, torus etc) ? So I can just simply click them rather than using keyboard SHIFT-A -> /mesh/cube
andio's user avatar
  • 2,428
0 votes
0 answers
26 views

Deforming instances along a curve geometry nodes

I'm hoping someone can help as I can't work it out and can't find the answer anywhere. What I have is an object instanced along a spline, and I want to deform these instances based on a curve, which ...
Mal's user avatar
  • 1
0 votes
0 answers
24 views

Snap individual elements to - snap verts to *Edges* on other mesh?

Is there such a thing as 'Snap individual elements to edge'? I know about Snap individual elements to nearest faces. This is helpful in some scenarios e.g. where you have a group of verts and you're ...
El Grillo's user avatar
2 votes
3 answers
205 views

Bic Lighter - Solving subdivision warping issues while cutting holes

I have been a little stuck with this model and I can't seem to figure out how to ground these cuts in the proper way so that my mesh does not warp. In my mind the way it is modelled now should be very ...
MASTER_2E's user avatar
  • 551
3 votes
1 answer
66 views

Rope modelling with screw modifier

I'm modelling a rope using screw modifier (applied) on a circle (and unapplied curve modifier), so I've made a knot and tied it around a pole-like shape. The issue is I have no idea how I could edit ...
annie_pp's user avatar
0 votes
0 answers
29 views

Vertex Weight Proximity - Weight gradient shape difference

Hello Blender experts, I am following a YouTube tutorial from a creator: Dobpen Here I am lost about managing the weight gradient shape while the target object passes through the main obejct like ...
Kim Minsung's user avatar
1 vote
0 answers
25 views

How can I solidify this awkward geometry?

I have a realistic head scan that I want to turn into a doll head to 3D print, by giving it thickness with the solidify modifier. However, because of awkward geometry around the eyes, mouth and ears, ...
Bibi Fox-Harris's user avatar
1 vote
0 answers
36 views

Geometry Nodes: Is it impossible to make precise dimensions in this steel frame prototype method?

The goal with this node setup is to add geometry to edges and make them look like steel frames. The method bellow works well, but there's a problem, it's only precise for cubes. Anything different ...
Felipe Balmant's user avatar
0 votes
0 answers
42 views

How to clean triangulated model?

I don't know how to clean this triangulated model if anyone know please tell me.
UNIQUE MASTER's user avatar
2 votes
1 answer
66 views

Converting a 3d model into a square-dominant mesh with same sized faces

I need to create a quad-dominant mesh for a 3d model such that all quads are approximately squares and all non-quads are triangles. An additional requirement is that all square faces have to be close ...
Sophia Carney's user avatar
2 votes
2 answers
208 views

Merge Curves via Geometry Nodes

I'm trying to create speech bubbles using Geometry Nodes, allowing for different shaped tails and positions of the tail. I can't figure out a method to join the curves in a smooth way such that the ...
Black Fox's user avatar
  • 180
5 votes
3 answers
708 views

How can I fill this without filling the holes?

I'm trying to convert an image to a 3D object, I wanted to make it solid but I can't figure out how to fill it without filling the holes with it. Any help is appreciated. This is the geometry I want ...
Herp's user avatar
  • 61
2 votes
1 answer
91 views

Blender 4.1 Geometry Proximity Part of the Target Mesh Coming close to Effector Mesh

Why did some parts of the target mesh coming up to the effector mesh when they get closer to each other like this? Geometry Nodes setup: I want it to be fully down like a bowl or satellite dish. How ...
Ari's user avatar
  • 155
0 votes
1 answer
59 views

Calc factor for multiple curves using Sample curve node

I'm working on a Geometry Nodes setup and need help calculating the Factor for the Sample Curve node. The goal is to distribute points along multiple curves such that the longest curve gets the ...
Kristian's user avatar
0 votes
1 answer
56 views

How can I remove overlapping points on a grid in geometry nodes?

I am trying to generate a heterostructures of a crystal using geometry nodes. As a starting point I have "core" crystal which consist of red (anions) and white (cations) atoms. Then I want ...
Furkan Işık's user avatar
0 votes
1 answer
59 views

How can I fix the number of repeating unit issue in geometry nodes?

I am trying to generate a crystal structure wich is basically a repetitipn of objects in a set manner. I am using the nodes as attached: As shown in the images below, in this setup what I am aiming ...
Furkan Işık's user avatar
0 votes
1 answer
51 views

Modify a segment of a spiral with geometry nodes

I need to deform o modify a segment of a spiral curve with geometry nodes: to turn the last loop into a closed circle. ¿Is it possible?
Carlos M's user avatar
0 votes
0 answers
33 views

Bevel problems | Geometry nodes

I'm trying to make a procedural Lego brick generator and I have gotten it to work for the most part. The last step in the process is to apply a bevel modifier to the brick to round the edges, ...
elwwan's user avatar
  • 1
0 votes
0 answers
18 views

Allowance modifier or technique?

Is there a modifier or a technique to add customizable allowance to selected geometry? I can use the Shrink/Fatten modifier on selected faces, but this is a destructive operation. The possibility to ...
telephone's user avatar
0 votes
1 answer
30 views

How can I make a cutout on face of plane?

I accidentally deleted geometry on my plane that was forming edges for a cutout, shown in yellow in the screenshot. How can I redraw the yellow lines and make it a cutout through the plane?
persyst's user avatar
  • 93
0 votes
0 answers
51 views

How to reverse simulation in geometry nodes?

I wanna make this bottle start like small rocks floating from the ground and then come together to reveal the bottle so I used geometry nodes for that I followed a tutorial on YouTube but I couldn't ...
Abdellatif Houza's user avatar
4 votes
1 answer
157 views

How to animate/increase scale of instances on points one by one, using geo nodes?

I'm trying to create kind of a neural network representation and need to make appear each of the spheres (which are instanced on each of the mesh nodes) one by one, so at frame 0 non on the spheres ...
Marco Polo's user avatar
0 votes
0 answers
30 views

Is there a way to take into account the scale(Random Value) when using Poisson Disk?

Is there a way to take into account the scale(Random Value) when using Poisson Disk? I would like more density but still have a randomized rotation and scale without overlapping. The file:
N03's user avatar
  • 485
0 votes
1 answer
107 views

How to easily access geometry node attributes of parent object within children without using drivers

Hi fellow Blender artists! I am working on a procedural planet generator that I would like to sell as a commercial product. My focus is on usability and that is where I currently face a problem: I ...
SolomonTheScapegoat's user avatar
0 votes
1 answer
57 views

How do I detect and fix overlapping geometry in 3d text

I'm creating a text object for use in a boolean modifier but I'm having trouble because the letters are overlapping, causing the modifier to fail: Because the overlapping vertices are all exactly on ...
The Gribble's user avatar
1 vote
0 answers
56 views

how to set normal curves (free control) and transfer for mesh

i would like to make a stadium but have some problem with setting normals here's what I got with geo node: And this is how I want to control the angle I would be very grateful if someone could tell ...
Dan's user avatar
  • 11
1 vote
1 answer
46 views

Can I select and bevel the top edge of the letters in this model?

I spent several hours retopologizing the letters for this model, and then doing a Boolean Difference extrusion onto a block. However now the top edge of the letters is creating a weird geometry and I ...
MicroMachine's user avatar
  • 4,713
0 votes
0 answers
22 views

Hide instances that intersect with an object

Dear Blender community I am new to geometry nodes, and can't figure one thing on my own. I have those roof tiles as instances on points, nothing too fancy, but I want to hide some of the tiles in case ...
Sergei Gannochenko's user avatar
5 votes
1 answer
166 views

How to select all the vertices on one side of an edge loop?

I would like to select all the vertices on the character's hand from this edge loop down. Are there any quick ways to do it?
HullBreaker's user avatar
0 votes
0 answers
192 views

Is there a (PDF) manual for geometry nodes?

I am looking for a manual of sorts. The Blender one only gives the name of the nodes, but not much info as to their functions or examples of their use. Tutorials are great, but very few explain the ...
Richard Zakroski's user avatar
0 votes
3 answers
45 views

geometry nodes: translating curve object radius to cube position/translation

I am trying to detect the curvature radius of a closed bézier curve and translate those changes into moving a cube and its position. So, performing a mapping between the curve radius and the position/...
3mm3ttBr0wn82's user avatar
0 votes
1 answer
38 views

How to add vertices?

I was making a football stadium in blender, and I wanted to make the roof of it something like you can see in the reference, I thought if I pull edit the vertices a bit upwards and sculpt it smooth to ...
AsleepCarton153's user avatar
2 votes
1 answer
50 views

Create concentric scaled rings with individual noise translation to each instance

I am attempting to create the following outcome using a generated Curve Circle in geo nodes. What I want to do: Duplicate the Curve Circle a few times. Then scale them down concentrically Be able to ...
Meestar P's user avatar
2 votes
1 answer
118 views

Distribute points on top of instances doesn't seem to work

I'm trying to replicate this Houdini tutorial in Blender for practice purposes. here is the link to the Houdini tutorial https://youtu.be/zrmFLvwyZwY?feature=shared Around 50 second mark. I can't seem ...
Chien's user avatar
  • 55
2 votes
1 answer
34 views

Select the point of a curve closer to a vector and move it

I have these 3 curve lines: Generated by this simple node setup: Now I need to select only the vertex of the curves which is closer to a vector with the values of (5, 0, 3), so in this scenario the ...
user2959923's user avatar
0 votes
1 answer
28 views

Random Scale of UV Spheres radius using "Instances on points" Origins are off!

I have a a whole bunch of spheres generated on a curve, I want to randomise the radius of the spheres as well as their positions in order to get a galaxy effect. The issue I am running into is that ...
Meestar P's user avatar
0 votes
1 answer
46 views

Get geometry position

maybe this is a noob question, but I just cannot find an answer anywhere. All I want to do is get the position of a geometry, because I need to generate a curve line with the starting point ...
user2959923's user avatar
0 votes
0 answers
43 views

Python exercise to learn - spiral circular shape

I’m trying to use bmesh extrusion and Matrix to do some spiral shape like this : I would like to start from a circle (like it is described on the picture) Here where I’m stuck: ...
Certes's user avatar
  • 61
0 votes
0 answers
39 views

how can i make tiling with a dent in the gap?

I'm recreating colleage building in blender and i'm having trouble making material for metalic tiled wall like this. (sorry for bad resolution) I tried using brick texture node and displacement to ...
김강산's user avatar
0 votes
1 answer
53 views

Array along curve modifier in geometry nodes, but with mesh input

Hi I want to array an object along a curve with geometry nodes, but I need to use a mesh as an input because I need to apply the modifier, which cannot be done with a curve as an input. I tried to ...
Václav Musil's user avatar
0 votes
0 answers
52 views

Define custom Spline Index OR Rebuild Sample Curve Node

Is there a way to set a splines index or otherwise store an attribute on a spline that can be read as 'curve index' in the 'Sample Curve Node'? I'm asking because i have a setup where meshlines are ...
Rolando's user avatar
  • 57
0 votes
1 answer
35 views

How to randomly rotate all the beads in a necklace along the Z axis with geometric nodes

How to randomly rotate all the beads in a necklace along the Z axis with Geometry Nodes.
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