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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Particle Instance Modifier : colour each instance based on the emitter texture (like Hair strands materials do)

In cycles, with particle hair strands, I can get the colour from the texture of the emitter object for colouring the entire strand. When I use the "Particle Instance" modifier on a mesh (a simple ...
Maxx's user avatar
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3 votes
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101 views

Advanced object instancing, to create a distributed network with specific rules... help

My project is simple - create a dynamic neural network, for a stellar animation. Using the skin modifier on a simple wireframe, I created an armature inside a softbody mesh. Next I need to instance ...
JButane's user avatar
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2 votes
0 answers
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Geometry Nodes - Optimizing mesh instancing on a patchy grid

I have this generated selection of points that I'm instancing meshes onto, they are in a grid pattern but not all spaces on the grid contain a point. What I want to ask is if it's possible to cycle ...
SHill's user avatar
  • 21
2 votes
2 answers
65 views

How to instance objects and set random vertex color for vertex group of the instance with geomtery nodes

I will need to help to undestand how can i skatter some default object and change randomly the vertex colour of the instances. But not for entire object but for just vertex group. On below picture is ...
Martin Lacina's user avatar
2 votes
0 answers
109 views

How do I avoid instances intersecting each other?

I have a curve to mesh object (stem) that has instances scattered along the surface randomly (thorns). They are perpendicular to the mesh normals and they rotated randomly. I would like to achieve: ...
Robin21's user avatar
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2 votes
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"Masonry" alignment of 2D or 3D objects of various sizes using geometry nodes

i would like to take a collection of image planes, for example, or 3D objects of various sizes and instance them in a "masonry" style distribution pattern based that arranges each instance ...
Joe Bowers's user avatar
2 votes
0 answers
195 views

How does instancing improve render times with Cycles?

I can understand why instancing reduces the amount of memory used since you don't duplicate the polygons of your scene, you simply reference them from multiple locations in the scene. From a technical/...
Tom Clabault's user avatar
2 votes
0 answers
100 views

Can I change recursive depth limit of instance ownership?

I'm creating Sierpiński triangle by chaining "Instance on Points" nodes like so: The 🟢Instance socket implicitly converts the passed geometry to an instance. Upon conversion to an instance,...
Markus von Broady's user avatar
2 votes
1 answer
245 views

Is it possible to change the frame offset on a video texture when instancing with GeoNodes?

I'm fairly new to both blender and geonodes (coming from TouchDesigner / AE) and this seems like it should be a pretty easy thing to do but I am having a lot of trouble figuring it out. I am using geo-...
G GONG O's user avatar
2 votes
0 answers
100 views

How to preserve nested collection colors on instances using geometry nodes?

A simple case. 2 cubes in a collection using same material. This material color is driven by an ObjectInfo node connected to and both cubes have actually different colors set in Object tab>...
Anderson Sudario's user avatar
2 votes
0 answers
459 views

How can I access named custom instance attributes generated with Geometry Nodes in Python?

I have a question. How can I access named custom instance attributes generated with Geometry Nodes in Python? What I did: I set up named custom instance attribute with Geometry Nodes, named "...
Takahiro's user avatar
2 votes
0 answers
106 views

Particle Instance modifier : Keeping dead particles more than one frame

I'm trying to figure out a way to have a nice liquid splatter effect with a particle system. I avoid fluid simulation cause It can get to very time consuming. I want to have a pound of liquid + motion ...
Simon Breeveld's user avatar
2 votes
0 answers
40 views

Building a multishell model - How can I duplicate a group of parts, but still edit children and have selective visibility?

I'm a complete novice and I need to ask for help. I am using Blender to combine existing STLs of wargaming miniatues into multishell components for 3d printing. I have a number of parts (weapons) ...
James's user avatar
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2 votes
0 answers
889 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 ...
dor's user avatar
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2 votes
1 answer
648 views

Apply Modifiers on Instanced Objects?

Is there a way to do this? For example, adding a subdivision modifier on the default cube then Alt+D to instance it. Going back to the first object, I'm unable to apply the modifiers. I know that ...
Wonkey's user avatar
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2 votes
1 answer
312 views

Hide instance (original) light while keeping the instanced versions

I've created a lightchain. For that lightchain I need a point light at every "bulb", as an emitting material is too weak of a lightsource. To achieve this I have created an array of planes ...
Poppi's user avatar
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2 votes
0 answers
100 views

Particle modifier object deformation problem

Im trying to make custom modeled monster tentacle to deform on the particle system hairs with the hair intance modifier. Particle system is animated with the turbulence field and working as expected. ...
Marko Milovic's user avatar
2 votes
0 answers
95 views

Incorrect instancing Collection Instance on mirrored faces

I'm modeling mechanical bird wings. The workflow until now was: Collection of feather parts Instance Collection Make a Plane, added Array -> Curve (linked to Bezier curve) -> Mirror (linked to ...
namelessone's user avatar
2 votes
0 answers
267 views

Instanced Objects Not Rotating When Mirrored

After instancing an object to the vertices of a line, when I apply a mirror modifier to that line (in this case, around an axis), the orientation of the instances does not rotate when mirrored (the ...
user84059's user avatar
2 votes
1 answer
1k views

is there a modifier to slightly shrink/grow mesh so it doesn't overlap?

I have build a building model in Blender. You can see through it (semi-transparent) to view the floors of the building. Those floors are simple planes that have a boolean modifier on it. The object ...
gordie's user avatar
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2 votes
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Can you edit a instancing collection in Blender 2.8?

I want to instance a collection a few times. But when I want to change something I have to go back to the original collection which is not visible if i want to also see the instanced collection so ...
TheEditor's user avatar
2 votes
0 answers
168 views

multiple instances of animated object

I created an animated object that consists of several pieces. now I would like to have multiple instances of it, but instead of them all being in sync I want to be able to manipulate the keyframes ...
kindoflike's user avatar
2 votes
0 answers
662 views

Multiple instances of a rigged object

Is there a way to have multiple rigged objects that share mesh data? I have a big hall, and want to use a rigged lamp that I have on separate file, let's say "lamp.blend". The lamp and the armature ...
Piergi's user avatar
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1 vote
0 answers
28 views

Trying to set the color of lights via geometry nodes instancing

I'm using Geometry Nodes in Blender 4.0.2 to instance a collection on points: The collection contains a single light and a single mesh with a few materials. I'm trying to control the color of the ...
Dave Whitney's user avatar
1 vote
0 answers
17 views

How to bake multiple instances with randomized emission/material?

I am trying to bake instances into one UV map/texture for exporting to other software. They all have the same material, which gives them different emission color based on their object data. Node setup:...
Joost de Vries's user avatar
1 vote
0 answers
25 views

Toggle visiblity across instances

I have created a collection with one object in it. Then I added multiple collection instances of that collection to my scene. I would like to easily toggle the visibility of the object across all ...
bwroga's user avatar
  • 111
1 vote
0 answers
74 views

Realizing instances generated with geometry nodes while preserving rotation

Hi everyone, I created geometry nodes and want to export them in gltf/glb format (to use with three.js). The important thing here is that as a result I need to have many individual sprinkle meshes ...
Szymon Gołąb's user avatar
1 vote
1 answer
74 views

Simulation: Problem with normals and Align Euler to Vector

I have a problem with the align Euler to vector, In a simulation, I am distributing some points on a grid, then use instance on points to have some cube to follow the bending grid. The problem is that ...
Jules Guérin's user avatar
1 vote
0 answers
54 views

Can I use features like "Use count" in Collection Instance?

Enable Particle > Render > Use Count And on the this image I set Cube: 2 Cone: 3 Sphere: 21 Is it possible to set this in Geo node?
InamuraJIN's user avatar
1 vote
1 answer
55 views

How to make instances appear periodically around an object

I'm experimenting with geometry nodes and I'm stuck with something I think is pretty simple but can't find a way. I just want the instances to appear around the cilinder growing and shrinking the same ...
ItsZedde's user avatar
1 vote
0 answers
136 views

Help distributing and adding noise to curves with geometry nodes

I´m trying to replicate the background elements from this cover and could use some guidance with the set up. So far I´ve tried using both geometry nodes and hair particles. With geometry nodes I ...
Esteban Martinez's user avatar
1 vote
0 answers
31 views

How can I get my grass object to deform with hair particle system on a weight painted plane?

I was trying to create a cartoonish looking plane. And, this is what I have come up with as of now: The problem here is that the grass object, that has the following modifier on it: and the ...
AmaanK's user avatar
  • 111
1 vote
0 answers
60 views

How create a collection instance with python

Hi how create a collection instance with Python code example (How to avoid operator `collection_instance_add`?) this code does not work I not can link this instance to the collection Error ...
Andriu Andriu's user avatar
1 vote
1 answer
164 views

How to Spawn Instances on Specific Vertices?

I am looking for an easy way to make basemeshes with interchangeable parts using Geometry Nodes. I figured it would be interesting to use Geometry Nodes to make a random character generator: my idea ...
EnkiOH's user avatar
  • 13
1 vote
0 answers
25 views

Is equal tubing on scaled, non-realized instance curves possible?

By realizing these curve circle instances, I'm able to get equal tubing per instance. Without realizing, the tubing is scaled proportionally to the scale of the instance. I was just wondering if ...
Adam Swearingen's user avatar
1 vote
0 answers
30 views

Object array is not align with the grouping plane

I have created a grouping plane for array operations. Once I put the objects as the child of the grouping plan. The location of the chair moved to new location as in the screen cap. I can still do ...
Vinco Yiu's user avatar
1 vote
0 answers
141 views

Delete overlapping Instances

I managed to translate instances from the vertices of a sphere to the vertices of another object. Unfortunately I have some overlapping instances that look ugly in the rendered animation. Now, I didn'...
edolat's user avatar
  • 25
1 vote
0 answers
46 views

Giving a specific rotation for each instance?

I'm fairly new to blender. Basically, I want to create a bunch of arrows/cones that I can give the rotation of each arrow individually by loading some data. The problem is that I have 5000 data points,...
IrDa's user avatar
  • 11
1 vote
0 answers
88 views

assign a frame to an instance with geometry nodes of an animated object

I want to «bake» each frame of an animated object on top of the other. The object consists of a layer of rectangles on the same plan that organizes themselves from a video. See changes in shapes, ...
jacob ethier's user avatar
1 vote
0 answers
98 views

How to apply rotation for Text in blender?

Target : Trying to use instance for text in circle Current without text rotation: After Rotation of text for X (Problem) Circle Instance Properties: Required: Align to Vertex Normal Tried: ...
supernatural's user avatar
1 vote
0 answers
200 views

How to access viewport display color from within Geometry Nodes?

I'd like to use the viewport display color of an object to influence the Geometry Nodes of that object. This is possible within Shader Nodes through the use of the "Object Info" node, which ...
Brockoli Bruce's user avatar
1 vote
0 answers
441 views

Is there a way for a Geometry Node to get a value from an Instancer custom property, e.g., on the object's collection instance?

I'm trying to make a Collection Instance asset that contains objects with Geometry Nodes, and be able to have parameters on the Collection Instance affect the Geometry Nodes. For example: I have an ...
SuperFLEB's user avatar
1 vote
1 answer
995 views

How do you scale instances of geometry nodes from small to big, without scaling the entire geometry?

Pardon my ignorance, I'm a total noob at blender and this is my second project with geometry nodes. I've tried following this: https://b3d.interplanety.org/en/sliding-instances-along-a-curve-in-...
Eldy's user avatar
  • 11
1 vote
0 answers
47 views

Randomizing via color ramp collection linked meshes with same material

I downloaded a container from blender swap. The container is made of various parts with different modifiers and so on. I am using collection instances to replicate the container, but I would like to ...
Bruno Suraski's user avatar
1 vote
0 answers
924 views

How to link object data whilst keeping the location and rotation of all objects

I have a pretty hefty frame structure that I need to optimise. This was created by arraying a single smaller section of the frame along a curve, then arraying the result 32 times around an empty. ...
NeonIndica's user avatar
1 vote
0 answers
110 views

Make instances converge in geometry nodes

I'm working on a Draw Pencil tool to draw locks of hair using Geometry Nodes. Each strand is an instance juxtaposed along a Mesh Line with some degrees of randomization. What I can't seem to figure ...
doctorak's user avatar
1 vote
0 answers
42 views

How can I duplicate a collection of models childed to an empty, and still toggle the visibility of individual models?

There's a bit more to my question than I could explain in the title. For each instance of the empty, I need the models to appear in the same position relative to the empty. Also, if I move or rotate a ...
James's user avatar
  • 31
1 vote
0 answers
66 views

How can I instance this array along the curve?

I have created a ball chain to wrap around my object and to do this i added one uv sphere and then added a nurbs circle, array and curve modifier. The problem is that naturally each sphere add more to ...
Jameson4279's user avatar
1 vote
0 answers
142 views

Shader Nodes: how to use instancer's vertex attribute to get different colors for instances

I want to apply a color defined in the instancer's vertex attribute my_color to get the same color for the related instance. It does not work in the simple setup that I will describe below. I created ...
vvoovv's user avatar
  • 817
1 vote
0 answers
721 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....
Csabesz07's user avatar