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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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How can I make instances real and keep their orientation?

How can I make these instances real and keep their current orientation? When I use the command Make Instances Real, it creates real instances that then have the same geometry nodes setup, creating ...
kariomart's user avatar
  • 243
1 vote
1 answer
1k views

Geometry Nodes: How to convert instances on points to mesh?

So I've created a track using this guide: https://www.youtube.com/watch?v=sTHiRZebl48&list=FL5TUZmEwlbNzpAWDrGCDGmQ&index=5&t=3s&ab_channel=MiroHorvath It's a curve with increased ...
PTyTb's user avatar
  • 13
3 votes
1 answer
1k views

Geometry Nodes: Instance And Align Mesh Along Edge?

I have created these two elements (as individual objects): I have also created an Icosphere (and modified it a bit) to use as a guide/lattice for structure. I would like to create a Geometry Nodes ...
Michael's user avatar
  • 33
3 votes
1 answer
109 views

How to use the contact area between the instance and the mother object as texture coordinate in shader?

Goal The yellow color should only appear within the area where the water droplets contact the purple wall. Consequently, the wall area outside of the water droplets should be purple; and the wall area ...
Blender Lake's user avatar
0 votes
2 answers
111 views

Removing the rotation data from an Instance in Geometry Nodes

Hi there, I am trying to remove this rotation data of a selected Instance to bring it back to 0deg,0deg,0deg. What can I do for that with the Rotate Instances node? I am doing this to re-align it with ...
abhiraaid's user avatar
1 vote
0 answers
41 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
394 views

Geometry nodes instance on points: objects populate OFF my object [closed]

Scene has 2 meshes: a plane and a cylinder. I have modified the plane to look like a simple terrain, so it has some surface variation. The cylinder was translated from the origin and scaled, then I ...
shawn's user avatar
  • 133
2 votes
0 answers
284 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
1 vote
0 answers
84 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
0 votes
1 answer
116 views

How do I create cubes on grid vertices with their size and vert count based on a noise map?

I've tried to make this a bunch of different ways, but I end up with just cubes scaled on the grid. I can subdivide a basic cube, but I really need regularity and the ability to increase cube size and ...
Aadil's user avatar
  • 1
0 votes
1 answer
543 views

Geometry nodes: Align Instance with Face Tangent (Distribute Points on Faces)

I am dealing with issue where I wanna instance object on mesh surface with aligned not just one, but all axis. So basically I need the instances to posses the tangent of the face surface on which they ...
skywalger's user avatar
4 votes
2 answers
222 views

How to skip neighboring points while placing instances using geometry nodes?

I have created a 3D point grid via using Volume Cube Node and Distribute Points in Volume Node. But I do not want to put spheres on each point, rather I would like to skip each neighboring point. Kind ...
Furkan Işık's user avatar
0 votes
0 answers
172 views

Using Geometry Proximity to prevent overlapping

After watching Geometry Proximity videos on YouTube, I had a thought. I could instance hexagons over a mesh and they might overlap with each other. I could turn those instances into real objects using ...
Robert Hintz's user avatar
1 vote
1 answer
126 views

Geometry nodes: Instance on points node not working with image texture node

I am trying to scatter objects on a plane with an image texture (logo). This works when only distributing points: The problem is that when i try to instance an object, the points disappear and ...
jebanik's user avatar
  • 13
0 votes
1 answer
45 views

Varying heights of instances based on location

I would like to vary the z translation of instances on points based on their distance from the origin. Is there a way to do this? I imagine I must get distance vector values for each instance. Then ...
Jim Turner's user avatar
0 votes
0 answers
77 views

Can a raycast 'see' an instanced object?

The problem I'm running into is I need my Raycast to 'hit' the instanced objects. I am unsure how to get that to happen. What I'm noticing is that it is able to hit the original object in the ...
cortlandune's user avatar
0 votes
0 answers
105 views

Instancing multiple objects onto different faces with geo nodes

I have a couple of different sided die (d4,6,8,12,20) and I made some number pucks for them. I want to instance them onto the die like I have in the image below with geometry nodes, but I do not want ...
Elbert Ho's user avatar
2 votes
1 answer
1k views

I want to distribute two kinds of objects on instances (grid, or points in volume) with a gradient

I am trying to distribute 2 objects in a collection on a grid (or volume) with a gradient using geometry nodes. What I mean by gradient is the density of a material in the center will decrease towards ...
Furkan Işık's user avatar
2 votes
1 answer
96 views

Geo Nodes: Applying an image over multiple instancess, but texture needs to "stick" to each instance

So I want to create something similar to a flipboard at an airport, so basically I use a grid object as my base and a texture stretching over all instances. Initially I used Texture coordinates using ...
maxim espace's user avatar
0 votes
1 answer
142 views

How can I scale instances to hair lengths?

(Using Blender 3.3) Since particles seem to be deprecated, I am trying to use hair curves to allow me to precisely position instances on a model. (Consider feathers, as an example.) Specifically, ...
Matthew's user avatar
  • 352
1 vote
1 answer
222 views

How to make the rotation of instances in geo nodes follow their motion path?

I created a scene with instances randomly following a noise texture, and now I want their rotation to align along its motion paths. I am not succeeding though and would appreciate any help.
Wissam Mo'athen's user avatar
3 votes
2 answers
186 views

Making a geodesic polyhedron with spheres on the vertices

Firstly, I'm relatively new to Blender, so apologies if this is an obvious question. Using the Ico Sphere, I've made a Geodesic Polyhedron. I've also wireframed this and made spheres appear on the ...
sebzuddas's user avatar
0 votes
1 answer
48 views

Geo Nodes: Change the H/S/V of an Instances Material per Mesh Island (without realizing them)

I work on a Node Setup with which I can spawn Houses on Faces. Now I want to make the instanced House Fassades the same Color as the Face it´s been spawned on while only using one Mastermaterial for ...
Tucker's user avatar
  • 13
0 votes
0 answers
58 views

Giving individual particles cloth physics, and alternatives?

I wanna make a slime type creature that leaves behind puddles of slime as it jumps around the scene. I had the idea of attaching a particle system that emits cloth-physics spheres that collapse when ...
uwuziel's user avatar
3 votes
2 answers
106 views

How to move instances so that they move from a certain point and finally create a face

i want to make an animation like attached picture; in blender of course, something like, all instances comes out from one point and create a face like this, how should i do that?
Shahajiji's user avatar
1 vote
2 answers
160 views

How to rotate individual instances in GN based on the value in Edit Mode?

I'm looking for a way to rotate individual instances in GN with a collection of multiple objects and access each instance to have more control over rotations while maintaining the procedural dimension ...
Pacpak P's user avatar
1 vote
1 answer
208 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
1 answer
111 views

Geometry Nodes — place instances to line archway

I'm trying to line this archway with a single line of "LEDs" using geometry nodes. I have a vertex group that isolates the arch (see screenshot) and it ALMOST does what I want it to, except ...
Andy Griffin's user avatar
1 vote
0 answers
29 views

(Geometry Nodes) Instance on Points: Create Array Of One Object With Random Group Input Values [duplicate]

I have created a Geometry Nodes patch, which is able to switch between multiple Objects (simple number Meshes; Range: 1-8 ; Group Input: "NUMMER") in different types (e.g. Solid Green Look, ...
paulvonchamier's user avatar
1 vote
2 answers
396 views

How to attach instance of group of properties to objects

I'm trying to attach instance of arbitrary collection of properties to newly created object. For sure it's due to my lack of understanding of Blender, however I didn't find a way how to do it. This is ...
Jirka's user avatar
  • 23
2 votes
2 answers
214 views

Limiting the number of "Instance on Points" in the Viewport

I'm having trouble with the unresponsive viewport due to the number of "Distributed Particles on Point" displayed by the geometry node setup. It displays the mesh ("foam particle" ...
veru_z's user avatar
  • 641
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
2 votes
2 answers
473 views

How to create Meshline according to each geometric edge vertices using GeometricNodes?

I'm using Blender 3.5 , trying to create an instance of MeshLine for each geometric edge and to set each Meshline instance end points according to the corresponding edge's end points. I succeeded to ...
audi02's user avatar
  • 271
0 votes
0 answers
28 views

Need help recreating this node setup in the new node system [duplicate]

I'm following a tutorial on how to make a reveal effect using instanced points but the attribute vector node has been removed, I'm unsure of what it should be replaced with.
Sebastian's user avatar
1 vote
1 answer
1k views

How to apply random noise texture to instances?

What I had in mind was to use Geometry Nodes to take a sphere and apply a noise texture to distort the surface into an odd shape, then distribute that sphere as many instances on a surface. (...
Smith_USA_MD's user avatar
1 vote
1 answer
52 views

Geometry nodes : Is there a way to assign a material to a specific instance?

Currently building a geometry nodes setup that create a web of sphere distributed along the point of a curve as follows: I would like to have the spheres with more than 1 connection to be green and ...
Mehdi Belhous's user avatar
0 votes
1 answer
360 views

How do I get a reference to the original object of a collection instance?

You can use Object.instance_collection to get the "reference to the original collection", but how do I get a reference to the original object itself? ...
Kii's user avatar
  • 3
1 vote
2 answers
667 views

Access instances attributes from collection info node

I was trying to access attributes from objects outside of the node graph but I'm having some problems and I don't know if it's meant to work like that or not. I have two different node systems. The ...
Felipe Del Rio's user avatar
0 votes
0 answers
105 views

Can you add lights to multiple linked objects simultaneously?

I have a scene with multiple streetlamps, they are all the same mesh and linked to each other (when I edit the mesh of one of them it is applied to all the other objects as well). I am struggling to ...
alex's user avatar
  • 11
1 vote
1 answer
67 views

How to apply image to geo nodes instances?

as you can see in the image below, I'm instancing a number of rectangles on a plane: What I'd like to do is add an image to the top of the blocks, so that when seen from above it shows the world (...
Andy's user avatar
  • 283
0 votes
2 answers
97 views

Geometry Nodes - Rotate legos based on Normal Faces

I make a Lego model using Geometry Nodes from this tutorial: https://www.youtube.com/watch?v=LrEHoaq6QFE. But now all the legos have the same rotation and face in 1 direction. If I want the Lego ...
Iampoor's user avatar
  • 49
0 votes
1 answer
108 views

"Instance Point on Faces" is not carrying over the proper textures in blender geo-nodes

I'm using geometry nodes in blender 3.41 and instancing a bunch of object on a plane to create a really complex scene. This is a technique learned from Max Hay on YouTube. https://www.youtube.com/...
Matthew Desmarais'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
0 votes
1 answer
101 views

How to fill a fixed space with random instances

I want to fill a bookshelf with random instances of books. The books are available as instance collections and vary in size. I believe array modifiers cannot work with instances, and cannot pick from ...
cornergraf's user avatar
1 vote
1 answer
89 views

Keep resampling count on spline after being divided, geometry nodes Blender

I have a sequence of splines which its being resampled with a fix number each one, this number represents how many instances each spline will be instancing and its is saved in an field coming from ...
Juan Manuel Lynch's user avatar
0 votes
1 answer
292 views

How to align planes to curve spiral in geonodes?

I am trying to align the incline of instanced planes to the spiral curve they are instanced on. As you can see in my current setup the alignment on the x and y axis sort of flips part way through the ...
Jakob Wagner's user avatar
1 vote
1 answer
715 views

collection instancing not showing the object

I'm currently working on a project where I have to replicate a diamond-encrusted surface. I created a new group ("GEM4") for the diamond ("Cylinder") in order to generate a ...
felina hernandez's user avatar
2 votes
2 answers
269 views

Size of instanced objects based on subdivision levels

Is it possible to change the size of instanced objects as the subdivision level of a mesh changes? Like a higher subdivision creating smaller instances and a low-level subdivision level creating ...
Robert Hintz's user avatar
0 votes
0 answers
51 views

How to control Instances' size and rotation along curve?

I have this curve in geometry nodes. I have the triangles along the curve in random positions. I'd like the instances to be aligned on the mesh normals with their Z axis. I also would like the ...
Robin21's user avatar
  • 61
2 votes
1 answer
2k views

Geometry Nodes: Retrieve individual object from an instance of a collection

Using geometry nodes, I'm creating multiple instances of a collection. I'm not using 'pick instance', but simply want to duplicate the whole collection. In this example, the collection consists of a ...
Fii's user avatar
  • 107

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