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Questions tagged [instances]

Questions related to instancing. Instancing is used to duplicate many objects that are the same. Uses such as particles, Dupliverts.

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6 votes
3 answers
340 views

Geometry node - instantiating a cube only in the middle of another geometry edge

I would like to instantiate a cube in the middle of an edge of an ico sphere. I'm thinking about converting to a curve, subdividing it and then make a mask between the primitive sphere and the ...
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3 votes
2 answers
41 views

Geometry Nodes: Set Different Material on Each Instance

I'm trying to set a different existing material on 5 Instances made with Instance on Points. Trying both 3.0.1 and 3.1 to no avail. Is there any value or attribute that signifies which instance you ...
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  • 53
3 votes
3 answers
227 views

How to instance objects on points only on an edge

Using the Cube mesh node under the Mesh Primitives menu, I want to create a cube that has a length of L and (L+1) vertices. Using that cube, I want to instance smaller cubes only on the vertices that ...
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2 votes
1 answer
45 views

How to merge overlapping instances in geometry nodes?

I'm still new to geometry nodes for some years using blender, I'm trying to make a cool transition effect, but I have this problem of overlapping instances Keep in mind that it's animated! Also be ...
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3 votes
1 answer
32 views

Is there a way to apply Convex Hull geometry node on disconnected meshes separately?

I have instances on points and some manipulations with them, so that the instance meshes are geometrically different. Is there a way to apply Convex Hull on each instance separately, or on realized ...
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4 votes
1 answer
40 views

Scaling instances with a float curve

Hi I have instanced an object (CYLINDER) on a BEZIER CURVE after generating points on it using geometry nodes. I have tried to scale the instances on the z axis using as scale fator the output of a ...
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  • 41
0 votes
0 answers
26 views

Geometry Nodes - Instances - Having problem with directions of instances

I would like the instances to follow the Y axis of the mesh vertices and flow along/follow the surface. The "Align Euler to Vector" node enables alignment along the Z axis, but I cannot get ...
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  • 1
0 votes
1 answer
34 views

Instances won't align with normals

So I've been experimenting with trying to align these instances with the normals of another object, and I can't get more than one to rotate. This also included rotating with anything else, like a ...
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3 votes
1 answer
99 views

Instance on Points with curves problem

First of all: excuse my bad english :-D i have a little problem over here. i want to generate curve circles with "instance on points" on a curve rectangle. This is what i want to have: But ...
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  • 141
1 vote
1 answer
38 views

Is there a way to control the percentages of random instances?

I am looking to randomly instance objects onto a plane using Geometry nodes and Ive got that working fine. But I want to be able to control the proportion of the different instances. For example if ...
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  • 21
1 vote
1 answer
31 views

isolating part of a mesh after boolean in geometry nodes

I've created a node tree that is able to separate a cube according to its planar symetries as in the image below Now I would like to access geometry of one of the tetrahedron to perform some ...
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  • 55
2 votes
1 answer
17 views

Moving objects that have been created using 'Add collection instance"

I've created a model of an octagonal gazebo by creating objects then using "Add Collection Instance" to duplicate objects and then rotating. The creation went great until I went to move the ...
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3 votes
1 answer
36 views

How can I hide Instance object?

I'm trying to create curved conveyor with array and curve. To avoid bending deformation I'm using Faces Instancing. How can I hide the Instance? There is Show Instancer checkboxes, but it doesn't ...
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4 votes
2 answers
49 views

How to change of the color of instances placed around a sphere based on their location

I am new to blender and want to create a series of light sources that are scattered across a spherical mesh. I then want to animate the colors of the lights so that it looks like the colors are ...
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  • 41
1 vote
1 answer
106 views

geometry nodes: prevent instances from overlapping

I'm a beginner blender user, I'm trying to model this material: which gets volume after absorbing water: I started modeling a pile using nodes, but the resulted instances are overlapping, how to ...
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1 vote
1 answer
103 views

How to align the rotation of an instance to object normals?

I am having trouble with Geometry Nodes in Blender. Basically, I'm trying to create some cables that have additional instantiated objects at the ends. I want the rotation of these objects to be ...
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2 votes
2 answers
101 views

Geometry Nodes: how to compute a difference between every point position and a vector?

I'm trying to connect some points to a "target" object. I managed to create a GN setup to connect a curve between two points, then i've instanciated that setup on points : But now, I would ...
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  • 2,044
3 votes
1 answer
77 views

How to Generate a Collection of Instances in Geometry Nodes?

I would like a mix of different branches and not just the same instance. I know that it is possible with objects that already exist in a collection in the outliner but is it possible to create a ...
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2 votes
1 answer
37 views

Geometry Nodes - How to procedurally generate new points on a mesh relative to an empty?

I have an empty linked to a Displacement Modifier with a Musgrave Texture to procedurally generate hills - nothing special. Plenty of tutorials on that. I can get my plants to move on the terrain with ...
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  • 23
3 votes
1 answer
101 views

How To Not Instance on the Last Control Point on a "Instance on Points" Node?

I can't figure out how to exclude this last point on the spline from the Selection of Instance on Points. I thought ...
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3 votes
1 answer
81 views

Is it possible to Get UVMap Attribute from object info node? (Geometry Nodes)

I have created a point cloud map for a UV unwrapped plane which corresponds to a texture. The plane is being instanced on a curve then I am distributing points onto the instanced plane from within the ...
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1 vote
1 answer
33 views

Is it possible to get the object properties of a geometry node parent when shading an instance?

I'm working on a sea anemone, and have an old trick I like to use where I feed an object location (for a static object) into a noise texture to get a hue rotation. In the past, by doing this, I can ...
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4 votes
1 answer
105 views

Problem: Geometry Nodes Creating Instances Automatically

I'm trying to make a scene in Blender where I have several duplicate objects in a mesh and I need to make it expand without creating new clones. Would anyone know how? I'm using a Lattice to expand ...
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4 votes
2 answers
257 views

looking for a way to evenly space objects instances across mesh

I'm wondering what the best way is to evenly distribute objects onto another object. I have a circular object that I would like to evenly distribute these instances onto. I was thinking geometry nodes ...
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  • 183
1 vote
1 answer
177 views

How do I randomize value per instance in geometry nodes [duplicate]

I'm trying to make procedural rocks with geometry nodes, but every instance of the rock has the same shape. Is it possible to randomize vector positions of the rock for every instance, inside the ...
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  • 31
2 votes
1 answer
54 views

Replace objects in a collection with one mesh

How is it possible to replace objects in a collection with an object while keeping the correct rotation from the collection with geometry node?
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2 votes
1 answer
95 views

Geometry Nodes - Problem with Random Instance Rotation, when using Arc and Trim Curve nodes

I have a problem with Random Instance Rotation, when using Arc / Trim Curves node. I'm trying to do something similar in this tutorial, but only with Geometry Nodes. Here is my node set up: Which ...
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  • 177
1 vote
1 answer
51 views

Geometry Node : Instancing a Grease Pencil Animation but at different times

Let's say I have made an FX of a single droplet of water in a Grease Pencil object. I want to be able to achieve this : But I don't want to do it the way I did it (copying & pasting & ...
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  • 11
0 votes
0 answers
15 views

Enable Light Probes of Collection Instances

I modeled a mirror in a seperate scene in its own collection to keep things organized, applied a reflective material and, because I am using EEVEE for rendering, gave it a reflection plane light probe....
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  • 471
2 votes
2 answers
89 views

Create a wooden floor from a set of textures

I’m trying to create a wooden floor from a set of textures. My idea is, to use one image for each floor board. Thus, I create appropriate scaled cubes for every floor board and want to randomly apply ...
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  • 1,455
-1 votes
1 answer
53 views

How to shrinkwrap flat objects on a curved surface when using geometry nodes [closed]

Using geometry nodes how can I "shrinkwrap" or array these instances of objects flat against a curved object? geometry nodes set up https://imgur.com/sOgNK2X another photo https://imgur.com/...
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  • 183
2 votes
1 answer
21 views

Particle System with Object Instance doesnt work properly (I want my caveman with a leaf skirt to dance)

My caveman's skirt doesnt seem to work properly. The project: caveman dances, and his skirt should move along (not stationary). What i did: - Particle System with Object (Leaf) and Vertex Group (it ...
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4 votes
2 answers
331 views

How can I change binary numbers from from top to bottom?

I created a plane and subdivided it 49 times to create a decent amount of vertices. I did this to instance the numbers 0 and 1 along each point to create a binary animation that randomly changes ...
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1 vote
2 answers
96 views

Geometry Nodes: How to randomly set Y-Position when wrapping X-Position

I am trying to move instances on points along the X-axis for an animation. When an instance reaches a certain X-value (e.g. 2) it is wrapped to a lower value (-2). This works just fine but I also want ...
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  • 13
4 votes
2 answers
240 views

Geometry Nodes - limit Instance Geometry on points with Selection

How can I instance object on points of another geometry, but limit number of points used? Here is my current node set up: I want to use the Selection socket on Instance on Points node, but I have no ...
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  • 177
1 vote
0 answers
269 views

How can I import a tree made with geometry nodes into unity?

So I made a tree with geometry nodes and to have a nice crown I instanced a lot of branches. I followed this tutorial: https://www.youtube.com/watch?v=9mkJg6BZ65k I want to import this tree into Unity....
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4 votes
3 answers
459 views

How do I skew distribution of random values for Geometry Nodes?

I am trying to instance rocks on an open field. Part of the instancing involves randomizing the scale of the rocks. What I hope to achieve is to skew the distribution of the random values towards ...
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3 votes
2 answers
157 views

How to turn a placed object into a collection instance?

I often use instances to create scenes. To reduce the load on the PC, when placing a single object repeatedly in several places, it is placed by duplicating it as an instance. However, the scene I am ...
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0 votes
0 answers
27 views

Instanced objects are not the same

I have a bunch of rocks made with the rock generator add on which I scattered accross a landscape using a particle system. I then made the particle instances real and instanced them on another plane ...
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  • 65
1 vote
0 answers
127 views

Realizing Instances in Geometry nodes changes normals- how to repair?

My goal is to create an object using instances in Geometry Nodes so that I can create a lowpoly object and rip normals, etc from the GN object. I've created a simple test setup where I'm simply ...
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  • 11
0 votes
0 answers
31 views

Geo Nodes - How to Instance with correct Rotation in YXZ?

I am going nuts.I've been trying to figure out how to instance Meshes at the Endpoints of a Curve via Geo Nodes. There are tutorials for Pipes but when using something with a complex Shape, the ...
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  • 1
0 votes
0 answers
48 views

Instancing Objects - New (Kinda) Feature?

Ok so I’ve been playing around with instancing and duplicating linked. Both are very cool. It seems that duplicating linked has most of the performance of instancing, but with the added flexibility of ...
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  • 61
3 votes
1 answer
325 views

Random values to string on each instance in Geometry Nodes?

I have a displaced grid 200x200 points. Then I have the same grid but narrowed selection on which I instance the lines And the strings. My question is... Is there any possibility to get different ...
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2 votes
1 answer
47 views

Disable in renders not working

I have an issue with instancing to the scene and I don't understand why that is happening. In my file, I Instance to Scene multiple collections for them to appear and disappear at specific times. But ...
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1 vote
1 answer
73 views

Individual segmentation mask for instances (blender 3.0)

I am working on an application where I want to create segmentation masks of individual instances in a scene. I've created these instances by using the 'instance on points' node in geometry nodes. The ...
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  • 13
0 votes
1 answer
55 views

Vector output from instance on points

I need some help with the following problem. I want to create a rope between two points. This works perfect when I use two objects. I want a static end point (Empty) and a point on a mesh as start ...
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  • 1
6 votes
2 answers
189 views

Array Modifier that creates Instances instead of duplicates

Let me know if I'm incorrect here. When I press Alt–D I create an instance of an object. My triangle count don't change though. When I press Shift–D I create a duplicate of an object. Triangle count ...
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  • 145
4 votes
1 answer
264 views

Masking out Overlapping Instances in Geometry Nodes

I am an experienced Blender user but very beginner in Geometry Nodes. I have an object onto which I am instancing small water droplets, using geo nodes. Maybe it is completely wrong but, to have more ...
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  • 119
2 votes
1 answer
195 views

Is there a "switch" to disable viewport geometry node instances (to reduce lagging in viewport)?

Just looking for a toggle that would disable geo-nodes instances easily. I appreciate I can do this manually in the outliner but this would also kill the base geometry in the view. I would just like ...
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0 votes
0 answers
43 views

Modify instance parameter before the instance on points node, based on the position

I'm trying to make a grass field, and make flowers bloom when a 'sun' approaches the ground. I have already solved the problem of making the grass taller and increasing the flower size, but I would ...
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