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 to make object from collection [duplicate]

How I can transform objects in collection to single object? I dont want still to use select objects in collection to move with all things inside. Is there any simplier way? I know about instances ...
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How can I parametrize an object in order to fill in a face following its features?

Let´s suppose I want a terracotta roof, so it's composed of terracotta tiles. the scale of this tile should not be affected. The same tile has to be multiplied along the surface as many times as ...
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How do I get all classes of an object / instance via code

As an example for what I mean, the official Blender API says that the "modifiers" property of Objects has two classes: bpy.types.ObjectModifiers and bpy.types.bpy_prop_collection ...
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Is the instance of the instance B of a mesh A, considered to be the instance of mesh A, or an instance of Mesh B?

I have developed a habit of hitting shift+d to instance a mesh in a scene many times, except if I were to create 3 instances, I would instance the first mesh, then instance the instanced mesh, and the ...
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Can't get particles to shade smooth

I'm instancing 2 particle systems on one object. I'm also using the data transfer modifier to get custom normals on the same object. But to use that modifier I have to enable autosmooth. That's where ...
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Making instances real rotation problem

I've a problem that when I make instances real with ctrl+alt+A, some parts that where in one position, now moves and rotate and are in other position... First picture it's just before making instances ...
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How can I select object from collection and place it on spline from different collection THEN do it again until all splines are used?

This is follow up to my previous question here. I managed to get an answer and improve on it, however my current implementation is pretty cumbersome. I need to simplify my current solution, as ...
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Effect of “instancing on vertices” invisible to boolean modifiers, any other method instead?

I would like to have an equivalent of an array modifier, but with separate offsets. There are many answers but I found nothing which: is non-destructive, works with preceding boolean operators like &...
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339 views

How can I use weight paint values to change the scale in geometry nodes?

I am creating a scene in blender and want my grass to grow shorter near the path and the lake by taking data from weight paint, it was simple to achieve using the particle system, but I have no idea ...
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How to instanciate an object regularly on the surface of an other object [duplicate]

I'm in the process of modelling a building similar to reference picture below. I'm struggling with the part I highlighted in red. I can easily model one of these objects, but I'm looking for a way to ...
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Replacement for dupli_list and dupli_list_create

I am updating older work from before 2.8. The dupli_list and dupli_list_create have caught me out though and I am unsure how ...
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How can I use nodes to make a Genshin-like grass material?

I have tried to make grass just like in Genshin, but it is still not like how I want it in EEVEE. Game Screenshot My Grass
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I can not make library overrides work for probs making such as cables with splines

I am making a range of probs for a production. When it comes to large scenes I used a lot X-Ref or instancing and referencing. In Blender the (new) features for this is "library overrides". ...
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48 views

Python: convert collections to empty-parents with hierarchy (problem with location of instanced collection)

I need some help with a script to convert big CAD-files with 80+ collections. The collections need to be changed to a empties with sub-empties and objects. And they need to maintain the hierarchy. I'm ...
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Instancing Static Meshes with Python

Forgive me, I am relatively new to Blender and I am struggling with terminology shared with other 3D applications. I am used to the term "instancing" being used to describe a situation where ...
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Is it possible to do only a part of make-instances real?

instancing is a very good function to reduce memory. But there is a limit to making it. It's hard to change some directions. The right side is made of alt + D. Can I change the direction like on the ...
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43 views

Leaves not appearing when making a particle system of trees

I'm following the forest tutorial by CG Geek(this one: https://www.youtube.com/watch?v=72LPW4S8bns). i want to put the trees over the landscape, but when i choose the collection to display, the laeves ...
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Rig controller material

I was curious if this was possible: I have a model of a product *(wall light) for rendering. the product has 4 or 5 different material options. I have it as a collection that I can import into any ...
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Instance from collection controlling in render layers

Is it possible to disable an 'instance' from a collection in View Layer? I don't see the option there. Right now, my instances stay visible in all my rendered layers.
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Randomizing texture coordinates has no effect on displacement texture position

I have run into the same problem as this old unanswered question, Cycles displacement material wrong uv mapping I can shift the vector coordinates of PBR textures on instances of dupliverts to break ...
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Instancing by face - problem

I would like to copy a parallelepipede object on the faces of a hegagonal object, in the same idea as it has been done [there] with the tip on the sphere1: But my result doesnt look like it should, ...
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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 ...
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Aperture blades using vert instancing

I was following the advice in this Aperture Diaphragm in Blender 2.8 question, as well as the other question linked in that question, however once I cannot get the triangles to align properly, instead ...
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replace with instanced collections

Ok... I have an imported fb, lots of separate mesh, all needing to be separated (editmode/mouse over+L/P and repeat) a majority of the mesh items are the same. I would like to model a simpler ...
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How to make a shader with different emission strengths, depending on the object it is associated to?

I'm working on a lyrics video In this scene there are 41 curved neons going from the floor to the wall in front of the camera. I'd like to make their shader bright at the center (where the "...
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1answer
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What's the best way to rotate objects identically in their own direction?

How to rotate these sticks evenly so that they roughly stay in place. I tried to use the array modifier and make them separate objects, and also somehow rotate them in relation to the 3D cursor, but ...
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Can you offset keyframes of instances?

Hey everyone I am just trying to figure out a little problem... I have this looping animation where a ball comes out of a tube and goes in the other side. In this scene I have made 4 instances of the ...
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Instance a rigged mesh

I am trying to create a reusable rigged mesh, specifficly a toggle switch. What I want to achieve is multiple switches that can be posed and animated separately but that share mesh data so I can go ...
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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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Orientation in geometry node

I would like to orient all instances to follow the path of the main object. As you can see on my screenshot, first one is oriented as it should be...but after couple of curves, orientation messed up (...
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I made a pile of balls using particle system and physics and now i want to replicate and transform this pile as an object not a simulation

I tried going to modifiers tab and click convert on the particle system modifier, but that tries to convert the whole simulation and crashes my pc , I only want to convert one frame of the simulation ...
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1answer
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Would it be possible to dynamically update the collection offset for instancing?

So I like the idea of collection, but the main problem I have with collection is the lack of a define pivot. When I use collection for instancing, I need to place all the objects around the origin. ...
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1answer
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Snapping doesn't work properly with collection instances

I'm trying to use collection instances (I think, the whole collection stuff is strange, confusing and in desperate need of a rework from the ground up, but I'm pretty sure that's what I'm doing) as ...
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1answer
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I'm using objects as particles but the objects have hair. Why is the hair all going sideways?

I made some wheat, complete with the little hairs. I've set up a particle system to use my wheat reference and the result is pretty good at first glance. However, if I turn off phase randomization ...
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1answer
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how to replicate spline and randomize bevel

I would like to randomize bevel size of the replicated spline. It look like Curve Object Output - Bevel Depth - doesn't work with list of numbers. Is there any other options? Thanks
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1answer
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Shading issue on instances by vertices

I am making some railings and instead of use the array modifier to repeat them, I choose to do it using instances by object's vertices. My problem is at the point where instances connect. I have this ...
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1answer
226 views

Distribute object instances at every vertex

Can I distribute object instances at every vertex? I tried with the new geometry nodes but it only distirbutes randomly (see screenshot).
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Copying Group Instance Computation Expense

I am pushing into the scene around 38k to 50k cube instances using Python, however, I am reasonably expecting to finish the execution of the code within ten minutes or so, I am OK with an hour at most....
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1answer
74 views

Getting instanced particles to follow paths of hairs in particle system with hair dynamics

I've created a plane with a hair particle system and with hair dynamics on. I then used a particle instance modifier to add a custom cylinder to each hair particle, and turned on both 'create along ...
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1answer
628 views

Geometry Nodes instancing faces

How to make Instancing Faces and aligned to face normal in Geometry Nodes?
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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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Can you rig a set of instances of an object?

I have a cylinder that's instanced along a line with 5 vertices (vertex instances), so I have 5 copies of it. (Note that the cylinder becomes a child of the line because of how instancing works.) I ...
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Is this a particle system issue, limitation or something?

17/02/2021: I have make this parterre which consists of three joined objects. I have also create vertex group for its surface so to add grass using "particle system". I plan to repeat it ...
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Hair Particle Instance Objects Inheriting Emitter Colours

Blender 2.9 Hello. I have a bird model with UVs and texturing on it. I need to create realistic feathering. The bird model has a hair particle system. I created a custom feather shape and used the ...
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Using same mesh along multiple curves keeping correct orientation

I'm trying to replicate the stitching of a boot model, and I have achieved a piece of mesh to follow a curve. The thing is that this mesh needs modifiers applied (Array & Curve modifiers), and I ...
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2answers
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move instanced objects relative to empty

I'm trying to move [instanced] objects up when I move an empty beneath them. Picture a 10 x 10 array of spheres. I want it to look like something is moving below them pushing them up as it moves. I ...
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Changing active object to copied instance of active object [duplicate]

Simple bpy question, but I can't figure it out. Is there a way to change a new instance to be the active object after it is copied from the active object, without using its name? For Example: ...
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How to create an inverse weight map based on particle system

I'm creating a forest that consists of trees and grass. After creating a particle system for trees, I want to make the grass appear where there aren't any trees. Instead of creating a new weight paint ...
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1answer
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TIP: How to find total number of unique objects among many instances

Is there a way to know how many unique objects (with unique mesh data) are in a Blender scene when you have a lot of instances of different objects? For example, if you have a scene with 500 instances ...
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How to add a child to multiple instanced parents?

So I have multiple instanced objects, they are parents to a spotlight ( this I've set up before I started instancing the main Object ). Now I'd like to add an additional point light to these "...

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