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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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17 votes
1 answer
2k views

How can I instantiate a procedural node group with different parameters?

Suppose I have a beautiful node group that procedurally generates a plant (or building or whatever) for me: PS: This plant is available here: Staggered palm frond leaves with Geometry Nodes? Now I ...
quellenform's user avatar
  • 37.5k
2 votes
1 answer
2k views

Are Groups or Sketchup-like components feasible in Blender?

Apart from testing it myself, I've seen a few posts here and there, including from Sketchup users like me, sort of circle around this topic but never ask this question directly. How can I overcome ...
DailyFrankPeter's user avatar
8 votes
1 answer
19k views

Why are the objects in my hair particle system not sitting on top of the ground?

I made a hair particle system and set the Dupli Group to a group of 3 objects. Each of the 3 objects has: it's origin set to be touching the XY plane (on layer 2) it's Scale applied to 1 and it's ...
Thom Blair III's user avatar
10 votes
1 answer
2k views

Lamp Posts: correctly oriented instances on a 3D curve

I'm trying to create a row of street lights, both the lamp pole and a spot light. Since i can't simply join these two and use an array + curve modifier to set this up (using an array modifier + a ...
Felix's user avatar
  • 103
1 vote
2 answers
2k views

How to instantiate objects on individual/selected points in geometry nodes?

Let's say I have a simple Mesh Line and use the Instance on Points node to make an instance of a given object on every point of the line. How can I decide for each individual point if it should have ...
KevinR's user avatar
  • 13
26 votes
2 answers
18k views

Control Instance Color with Geometry Nodes

I'm excitedly playing with the new Geometry Nodes system, but I've run into a limitation. I would like to control the color of object instances created with the ...
peacememories's user avatar
11 votes
1 answer
17k views

Is there a way to procedurally scatter objects on the ground of my scene? [duplicate]

I would like to have plants, rocks, sticks and other debris scattered randomly on the ground in my scene, but I don't want to have to place it all there by hand. Is there an easy way to do this in ...
Thom Blair III's user avatar
3 votes
1 answer
499 views

How to string objects of a collection along an axis depending on their size, applying random rotation and scaling without overlapping?

Sorry for the long title, but I had to elaborate somehow, because the question is now a bit broader. Basically, it's about instantiating objects of a collection along a line. This question has also ...
quellenform's user avatar
  • 37.5k
14 votes
1 answer
2k views

Applying Dupli-Objects

Is it possible to bake dupliverts into one mesh for the BGE? (I have a large ground landscape that I use as the parent to duplicate trees, and the BGE doesn't support most modifiers.)
Forest Katsch's user avatar
9 votes
4 answers
843 views

Coral reef - How to blend scattered instances

I'm trying to recreate the surface of a coral reef, and I would like to experiment a little with geometry nodes. My result so far, I just do a Distribute points on face, and Instance on points. My ...
Samih EL SAKHAWI's user avatar
5 votes
2 answers
2k 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 ...
rtwhite's user avatar
  • 193
2 votes
1 answer
292 views

how can I make instances responsible to each-other

I can generate pipe shapes from a collection fairly easily. My node setup only generates them on some points controlled but a colorRamp and a Noise texture. I've just now figured out how to use the ...
ruckus's user avatar
  • 7,643
14 votes
2 answers
19k views

File optimization: Duplicate or linked duplicate?

I'm currently in the process of optimizing my blend file. I am still relatively new at blender and would like some documentation on file size and render time reduction using linked or unlinked ...
Delagone's user avatar
  • 2,098
5 votes
3 answers
3k views

Alternative to dupliframes in 2.8?

Is there some way how to instance objects along path/curve without deformation? All forums and questions I've found are related to 2.79 and they are all using dupliframes, however there is no such ...
ligazetom's user avatar
  • 153
3 votes
2 answers
5k views

Duplicating light along path in blender 2.8

I've been following 'Create an Underground Subway Scene in Blender' from BlenderGuru in youtube. When he started to duplicate the lights along the path using Duplicate menu in object tab he used an ...
Yahya Gedik's user avatar
2 votes
0 answers
124 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
1 vote
1 answer
1k views

How can I efficiently duplicate a large amount of objects?

I wrote a blender script that duplicates an object, rotates it, and eventually creates a mosaic, data looks like this: [x,x,x, o,o,o, x,x,x,], where ...
DrewInSpace's user avatar
3 votes
2 answers
5k views

What is the most efficient way to make instance real and joined

I have a setup, a very complex instancing, I simply want to Voxel Remesh this (sculpt) but if I use Make Real for instances, it will create bazillions instances, and I don't want that. I simply need a ...
Blender Sushi Guy's user avatar
3 votes
1 answer
932 views

How to duplicate a collection of meshes along a drawn curve?

I have a collection of different objects (for the sake of this example lets say a sphere, cone, and cube) as separate objects in the same collection named "primitives". I want to be able to ...
h_sharp327's user avatar
2 votes
2 answers
1k 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 ...
gordie's user avatar
  • 2,550
2 votes
2 answers
190 views

How can I control the density or probability of an object based on material using geometry nodes?

I'm new to blender. I'm wondering using the attached node layout, where I use multiple 'set materials' how I would be able to control the probability of one of these materials appearing. Specifically ...
The Equine Gate Keeper's user avatar
1 vote
1 answer
603 views

Geo Nodes - How to instance curve caps with correct rotation?

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 rotation of the ...
Mark's user avatar
  • 11
10 votes
1 answer
2k views

Geometry Nodes instance scale based on distance from other instances (Circle Packing)

On the left is a standard instance on points, on the right a sketch of what I want to achieve, where the instances scale based on their distance to the closest other instance. How can I achieve ...
torels's user avatar
  • 712
9 votes
1 answer
3k views

How to efficiently instantiate object with memory-hungry modifiers?

Using Alt + D to duplicate light meshes with heavy modifiers (like a leaf with a particle instance modifier or a trunk with a subdivision modifier) can lead to huge memory usage. Because only the base ...
matali's user avatar
  • 2,811
8 votes
2 answers
3k views

In Blender 3.0, how can we control instance properties (scale, etc.) by proximity?

I've been looking at tutorials and various node tree screenshots, but since the 3.0 release many aspects of Geometry Nodes have changed, making those sources largely irrelevant. In 3.0, how can we use ...
Mentalist's user avatar
  • 19.3k
8 votes
4 answers
5k 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 ...
bastian's user avatar
  • 113
7 votes
3 answers
3k views

Geometry node spacing along curve

Is there a way to have the bolts instanced along a curve in geometry nodes with proper spacing between one another on each side of the pipe? I want each segment of pipe to have the same amount of ...
Mason Heilman's user avatar
7 votes
4 answers
3k 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 ...
Tedd Šámal's user avatar
6 votes
1 answer
443 views

How can I find two vertex indexes per face on a mesh to create a secondary alignment vector

I've had troubles in the past with instance spinning when using "Align Euler to Vector" to align instances to face normals on deforming meshes. I have a setup that eliminates all spinning ...
David M's user avatar
  • 190
6 votes
1 answer
366 views

Scientific visualization - How to replicate instances around a sphere?

I want to replicate a protein structure around an icosahedron. Basically a vesicle of protein structure is what we want: When I am instancing the protein structure using each vertex of the ...
Rafeeque Bin Usman's user avatar
3 votes
1 answer
5k views

Does blender have the concept of instances and params?

Goal My goal is to keep a single source of truth while allowing instances to modify a few expected parameters (a material for example). This way I can create a small object in a separate file, and ...
Renato's user avatar
  • 175
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
118 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
3 votes
1 answer
216 views

Use Geometry Nodes to Align Instances Along Mesh Edges with Instance Z-Axis Always Aligned to Perpendicular Ajacent Faces?

I'm using Geometry Nodes to to instance two meshes onto another mesh, here an icosphere to start out, such that I can develop sets of modular 3d printable "Hubs" and "Struts" that ...
Emma Scott Lavin's user avatar
3 votes
1 answer
516 views

Trying to align multiple instances of an object normal to faces using geometry nodes

I am trying to align instances of an object normal to faces using geometry nodes. The one in the circle is the only one correctly aligned. I have tried all the solutions I have found on youtube or ...
Indigo's user avatar
  • 33
2 votes
2 answers
169 views

Curve tilt of instanced curves to follow sampled geometry

I have a node set up that requires curves to follow a plane. (the plane is manipulated outside of geonodes and the curves follow) Is it possible to have the curve tilt follow the normals of the plane? ...
special_frog's user avatar
2 votes
1 answer
1k views

How to offset objects in relation to the curve using geometry nodes?

I have a simple geometry node that places spheres along a curve. I don't know much about geo nodes, but I'd like to know how to modify it so that I can set the offset of the sphere in relation to the ...
KonranT's user avatar
  • 53
1 vote
1 answer
1k views

Set material for instances problem (Blender 3.0)

I have a set of geometries that they're generated by "Instance on points" Now i need to set a Color Ramp attribute for these geos to set a rainbow like material to these geos In fact, i need ...
milad shirali's user avatar
1 vote
2 answers
908 views

Transfer rotation attributes from one instance to another

I'm using instances from a collection to generate points on which I will place other objects (instances). I want that these new instances have the same orientation as the original instances. I tried ...
Vic Marco's user avatar
  • 301
0 votes
1 answer
311 views

Varying a size of instances [duplicate]

I have icospheres instanced on a sphere in the first screenshot and I want the icospheres to vary in size like the spheres in the second screenshot. How do I do that?
Robert Hintz's user avatar
0 votes
2 answers
909 views

Position instances of different dimensions side by side

I'm trying to position the instances based on where the neighbor instance is respecting its boundaries. If all instances in the collection had the same dimensions i could simply multiply the count of ...
Paulo's user avatar
  • 1
10 votes
2 answers
752 views

How can Particle Objects copy emitter's color texture?

I'd like to make a scientifically accurate animated snake using particle objects (and no, sculpting or bump mapping won't be realistic enough because real scales don't actually shrink and stretch when ...
CBarr's user avatar
  • 518
8 votes
2 answers
8k views

How to render a collection instance but not the original collection in blender 2.8?

I am using blender 2.8. This is a contrived example, I am working on another project with many 'assets'. I have created a collection called 'gizmo', grouped under 'Assets'. This is at (0,0,0) in ...
Andrew's user avatar
  • 223
6 votes
1 answer
2k views

Python: Get Geometry Node Instances

I would like to get Geometry Node Instances through Python. Instance Mesh, Position, Rotation, Scale.
mifth's user avatar
  • 2,341
6 votes
2 answers
2k views

Random color on multiple multi-component objects obtained by applying an array modifier

I have a shipping container made up of around 30 different meshes. I want 3200 containers stacked together, each with a single random colour of a selected gradient (red container, blue container, ...
user3424554's user avatar
6 votes
2 answers
2k views

How to duplicate an object along an edge without warping or rotating it

I am trying to find a way to duplicate an object along an edge but the 3 different methods I can find either rotate the object; warp the object or give limited control. Here are images and ...
Joeyflodder's user avatar
6 votes
2 answers
725 views

Prevent Z-fighting of GN billboard instances?

Is there a way to prevent z-fighting of planar instances generated using Geometry Nodes? Random distance doesn't space my planes far enough apart from each other. Maybe there is a way to implement ...
Mentalist's user avatar
  • 19.3k
6 votes
1 answer
457 views

Rotating Instances on a Curve with Tilt

How do you rotate instances along a curve using the Tilt in edit mode? I have seen a lot of tutorials on aligning instances to the tangent or controlling the tilt from inside the geometry nodes setup ...
Cornivius's user avatar
  • 1,886
6 votes
2 answers
909 views

Can you use geometry node data to affect the material of instanced objects? (E.g. scale changes color)

Specifically, is there any way to change the color of the instanced cubes based on their scale attribute?
Max Williams's user avatar
6 votes
1 answer
576 views

Storing many instances efficiently

Theres a few aspects to what I am looking for in terms of solution. We deal with extremely large scenes, and take huge advantage of instancing, dupligroups and particle systems However, when you ...
Carlo's user avatar
  • 71