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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Geometry Nodes: rotate instances which intersect with reference object (points and meshes)
The past months I received valuable feedback, coaching and knowhow on my first Geometry Nodes question on this forum (How to align object on normal vector between vertex and line)
The past weeks I ...
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How do I adjust the scale of items placed in a circle with Geometry Nodes?
I have a Geometry Nodes setup where I'm distributing 7 cylinders around a circle mesh and placing a star at the top of each of them. So far, so good.
However, I'm trying to achieve an effect with them ...
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Create instanced "linked duplicate" of mesh respecting selected meshes location, rotation and scale
I am using the below code to create an instance "linked duplicate" of the last selected mesh in the location, rotation and scale of the previously selected meshes.
However the below code ...
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How to edit / manage appended collections with collection instances
I am struggling with one problem for over 3 years and i finally decided to discuss it with someone. Long story short:
I got an object lets say CASE
I got another objects like BUTTONS
I got a ...
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How do i keep geometry nodes instanced meshes when exporting mesh to fbx?
In blender I create a mesh "cube" and create instances of it using Alt+D and place them randomly in the scene. If i export the collection of meshes as an fbx and import it into unreal engine ...
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Geometry nodes: remove excessive instances
https://drive.google.com/file/d/1dQPElZoMjgxbcr-j7H4tlquCiJ1Z0PuV/view?usp=sharing
I can't figure out for the life of me to remove excessive instances where a vertex has neighbors. In other words I've ...
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Difference between mirror modifier and creating collection instance
I was wondering about the difference between using the mirror modifier to mirror an object around the main object, and creating a collection instance then rotating the duplicates around the main ...
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Geometry nodes: Why does it take a slightly different align-euler-to-vector input when aligning something before realizing instances compared to after
I instance a cube on a circle and want to align the cube to the circle normals after realizing the instances. I found a solution using this nodelogic:
Why do I have to do this weird vector ...
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50
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How can I stop scaling instances based on their surface proximity?
I have been trying to make a procedural bubble generator where the instanced spheres wouldn't intersect.
Obviously, the issue is basing their scaling on something other than the mutual distance of the ...
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29
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Convert Position to Selection (Boolean) in Geometry Nodes
I wonder how I can convert the position output of geometry proximity node into boolean value in order to connect it to the selection input of the instance on points node. Basically I want to use the ...
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How to instance objects including particle system?
I've searched high and low and couldn't find any answer to a seemingly simple problem. I have a sphere with a particle hair modifier applied and I'd like to instance this multiple times using geometry ...
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Geometry Nodes: How to select instances either side of an index?
I have a geometry nodes setup that instances a set of cards along a curve, and turns each card over as a 'completed' value is increased from 0 to 100. However, my setup only turns one card over at ...
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33
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GN: Instances on curve points and rotating based on surface's normals
This may be a basic question, but I have been struggling with this problem for a few evenings now. I want to create a GN system where I have:
a grid, with a noise node to create some displacement
a ...
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2
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How to change the colour of a particle system
I have a particle system moving around creating abstract shapes in Blender. I need the material to slowly change over time. For example:
frame 30, all particles are red
frame 31, 95% of particles are ...
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Need help with prepping a 3d model for printing
I am very new to blender and I am trying to print some models using creality ender 5 plus.
The model looks like the picture on the left, and when exported to STL, it looks like a block of cheese.
The ...
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Instances on points using collection info - give objects (indices) a defined probability to be chosen
probably the same issue was addressed somewhere, but I did not succeed in finding a solution.
I don't give a specific file/case because it is a pretty basic question and should work for any similar ...
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Blender Geometry Nodes: Make Instances Real infinite loading
I used Geometry Nodes to populate an area of my landscape with trees. Now I need to make those tree instances real to export as gltf for the web (Object -> Apply -> Make Instances Real). When I ...
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GN: Index of nearest node - Ignore Self position
I'm trying to build a hanging wires.
I have a bunch of planes. I convert faces of these planes into points and then I want to connect closest points to each other with a curve line.
The issue is, that ...
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How do I create multiple instances on the same point at specific intervals?
I've been doing a motion graphics project where I'd like a set of markers to move along a curve, to appear at one end of a track, translate across the screen, react when they reach a target, and ...
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Geometry nodes: different instance parameters for each instance [duplicate]
Is there a way to control instances so each one of them has different parameters?
For example:
I have four instances of star and I want each one of them to have the amount of points
based on the ...
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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:...
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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 ...
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Dyamically Keep Edge-Aligned Instances a Fixed, Specified Distance From Main Geometry Edge Vertices Using Geometry Nodes
I have three sets of Instances on Points, where the “Points” are the midpoints of the main geometry edges (Mesh to Points node > Edges).
All three sets of Instances are now successfully oriented ...
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Blender Geometry Node : Mesh Boolean isn't working on instances
When I try if I use individual ico-spheres (individually transformed) as inputs for the the boolean works just fine, however if I use instances on points the output disappears!
Trying to resolve this ...
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Having a weird problem with particle system!
So, I've encountered a rather unusual problem with the Blender particle system. I've been using Blender for several years now, and working with particles is not new to me. I've attached some pictures ...
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grease pencil freeze and crash blender when I add it [particule / instancing problem ?]
I wanted to add a line art modifier to the chara. When I add the line art, the moment when you put the default material into the Material box, it freeze indefinitely and then crash. The problem being ...
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Randomize instances WITHOUT repetition?
Hello Blender community!
I'm trying to generate random positions for a set of objects. I've got 3 objects (cone, cylinder, cube) with a variable of 3 colors (blue, red, yellow), which makes 3x3=9 ...
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Geometry Nodes: How to shrinkwrap instanced planes around the object they were distributed on?
I am trying to make the vertices of the planes wrap around the pig's body. The planes themselves already stick to the body and are oriented along the normals of the pig but i want them to deform to ...
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Geometry Nodes: Random Array Using Curves
Trying to make a all purpose Curve (Rotation - Scale - Random objects - etc)...
Issue - When Instancing on points i don't know how to make Sure the Stacks Stick Together
When Using a Random Scale ...
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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 ungroup created from instance?
With the help of quick instances addon
Created the rack and group.
I have copied the object and pasted in new file. Know i want to ungroup the object. Why im unable to ungroup or how to ungroup it, ...
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Random scale in two or more Instance on Points nodes
I have very simple question that is just too hard to summarize/find an answer to.
I've made this simple scenario because its easier to understand the problem.
I want to apply random scale value on ...
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How to provide the instanced objects with a value field? [duplicate]
The specific problem I'm facing is that I have a node group (called petals array) that is instanced on a point cloud. Each point in the cloud has an anonymous attribute (say growth) which is captured ...
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What is the workflow for creating reusable models with rigidbody that can be placed all over the scene
I'm looking for a concept similar to unity engine prefabs. I need to have a library of objects with rigidbody that I can place in the scene. If I change original object properties (material/rigidbody ...
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In geometry nodes: moving instances relative to one another in sequence, and with individual control of rotation
I'm trying to rotate individual objects using GeomNodes. However I want to control how much each one rotates. Also every object should rotate with respect to the one in front in a vertebrae kind of ...
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Geometry Nodes - Scale each instance over the time it appears
I'm making a system that generates rain splashes using Geometry nodes. I have the splashes randomly appearing just fine, but I'd like to be able to have the splashes scale from small to large as they ...
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Geometry nodes instance on edge
I want to instance cylinders on the edges of a circle and line the cylinders up with the edges like so
I am currently just instancing the cylinders on the edges of the circle but I am unable to align ...
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Collection Instancing: Origin point [duplicate]
I'm following a kitbash3D tutorial on instancing groups of buildings.
When I make a new collection and instance to scene, the origin point is offset. This is making it difficult to move and rotate the ...
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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 ...
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Possible to create a curve + array of collection instances?
I'm looking to create a looping background to create the illusion of trees scrolling past the camera. I want the trees to be parented to a circular ground plane (that is controlled by an empty that ...
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Planar UV on multiple instanced objects
I have a pin table I created, sort of like the one in this video:
https://youtu.be/jVDZKXtYCzs
I've exported it as an alembic to Unreal and it works great.
I want to map an image of a world map to the ...
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How to randomly distribute a specific number of instances?
I would like to distribute a specific number of instances (say, a torus) on a mesh (say, a plane), using geometry nodes. This answer got me close, as you can see:
However, when I increase the number ...
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Removing intersection between instances
I made this with geometry nodes and I was wondering if there is a way to remove some of the sphere instances which are intersecting with each other? Tried to use delete geometry but it doesn't seem to ...
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How to access geonodes instance position/rotation from python script? [duplicate]
I'm trying to access a list of positions, rotations, and scale for instanced geometry (and ideally the name as well) instanced by geonodes for an export script. The instances are NOT realized, and ...
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How can I color individual instances of an object using a colorramp in geometry nodes?
I have a point line and am instancing this Parasol object along the points. I only want to alter the specific colored portion of the object so that each instance is a different color in relationship ...
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Attribute sample texture in Blender 3.0?
I'm following this tutorial (time 1.55). I use Blender 3.6.2
The tutor uses Attribute Sample Texture in this case, I do not know how to obtain the same result. Does anyone know how to do it?
Expected ...
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Geometry nodes how to capture the position of a point and use this position in a seperate node set up
This is a simplified version of what I'm after.
I have two "distribute points on faces" nodes, one instances the Cones and the other instances the Torus. (There is a node group that limits ...
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Problem selecting/deselecting points from Instance on Points
I'm trying to deselect the last point from instancing.
I'm using the Endpoint Selection < Boolean Math - Not setup as I've ...
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Scale along curve not working (Geometry Nodes)
I started a thread yesterday as I was having some trouble with a GN graph that i was working through from a youtube video. The creator of the video was kinda enough to answer my question on youtube, ...
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How do I access the keyframes from a instanced collection from another blend file?
My instanced collection is still animated with old keyframes. How do I delete those keyframes?
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