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 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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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.)
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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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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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,...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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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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 ...
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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 ...
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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 ...
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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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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 ...
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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 ...
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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 ...
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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 ...
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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?
...
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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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Aperture Diaphragm in Blender 2.8 [duplicate]
Blender Newbie here.
I looked for a way to model an aperture lens and found this question: How do I rig each blade to fan out like an aperture lens?
The questions has been answered very well (...
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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 ...
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2
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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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 ...
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Python: Get Geometry Node Instances
I would like to get Geometry Node Instances through Python. Instance Mesh, Position, Rotation, Scale.
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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 ...
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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 ...
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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, ...
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Traffic along a curve in Geo Nodes without clipping (overlapping)
I made a traffic system with Geometry Nodes as you can see below. (Thanks to the How to make Traffic Systems in Blender video by Bbbn19 on YouTube)
The problem is that clipping occurs and that I can't ...
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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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1
answer
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Array with random objects? [duplicate]
I have a collection of objects in my scene that I want to randomly duplicate in a similar fashion to the Array modifier. How would I go about doing this, would I need to program this function myself?
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