Questions tagged [collections]

Collections were introduced in Blender 2.8 to replace object layers and groups as a scene organization tool. Use this tag for questions about 2.8 or later Collections. Use this tag for questions about using Collections.

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40 views

Blender 3.0 Geometry nodes - How to replace a selected instance from a collection with a different object?

Let's say I have a collection named Collection original and inside of it two cubes and two spheres. Then in a separate collection I have a monkey and another object with geometry nodes. Within the ...
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How to override properties of nested linked collections?

I'm trying to model my house in Blender. In one blend-file I'm modelling all parts of the house itself, like walls, windows, etc. In another file I model all furniture, and so on. Everything comes ...
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Grayed-out ghost objects in View Layer [duplicate]

I opened this pre-v2.80 project and among the collections, there is a collection that contains grayed-out "ghost" objects. These gray objects can be selected, however they're missing ...
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How to rotate an entire collection with one pivot point?

It probably has to do with the way I organized (or not) my outliner but I basically need to rotate the tunnel with all the other objects following it. When I try to do it, all the elements rotate in ...
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How can I access a collection's custom properties using the interface?

Now that we have a dedicated panel for the Collections properties in the properties editor, I was hoping we could access a collection's custom properties interface like we can for the other objects in ...
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How to unlink object when moving object to another collection? [duplicate]

I want to make asset collection but don't understand how to unlink it from different collections or scene preview https://gfycat.com/dismallividaztecant ...
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User-defined collections aren't saving/importing in an .fbx model

I am working with an .fbx model. I place multiple objects within new collections I create, and export the .fbx to save the model. But when I reopen the model (import .fbx) all of the collections I ...
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19 views

How to copy the whole blender file into a new one without losing collections?

Sometimes a scene that will have some unsolvable error, the easiest way is to copy everything to a new blend file scene but with that, everything goes into one collection instead of how it was in my ...
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15 views

How to add more objects to an animation group?

I'm new to animating in Blender. The issue is I've created a simple space ship object and animated it. Working great! I then used Random Flow mesh generator (great 3rd party addon!) to create ...
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23 views

Problem copying overriden linked collection from one blend file to another

Long story short. I have a collection with subcollections in the one blend file and I want to copy those into another blend file. The problem is that those subcollections won't copy (though I try to ...
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87 views

Geometry Nodes - Instancing from Collections

Using 3.0.0 Beta, it looks like Instance on Points replaces the *Point InstanceU node, but using this with collections is stumping me. I'd like random instances from a collection to be used at each ...
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Every object is added in the same collection

I am trying to create a person in Blender. I have the collection Human, with a cube which was the initial cube that i created to start. After that I created a few more and make the parts of the arms ...
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Legacy Layers (now Collections) in older project are grayed out (invisible)? [duplicate]

I'm reacquainting myself with Blender after a hiatus of several years. I see that Blender 2.93.5 now has Collections instead of Layers. I've opened this legacy file where the Layers are now ...
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62 views

Blender 2.93 does not save view layer render setting after selecting a different view layer

Using Blender 2.93.3. Cycles, though I don't think that has anything to do with this. My scene consists of nine collections and eight view layers for compositing. After I enable rendering for a ...
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object names gets duplicated when moving from a collection to another

in the resent versions of blender I got this weird behavior when I try to move an object to another collection it's name gets duplicated the object it self remains one but with two names in two ...
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34 views

how to selecting a collection via python?

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How to select a collection for operations [duplicate]

How do you perform operations like bpy.ops.outliner.collection_duplicate() on a collection you only have by name. As far as I know, these functions only applies to ...
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Boolean modifier with collections

I'm trying to apply a boolean difference to a collection but it doesn't seem to be taking affect. I'm using Blender 2.93.4 I hide the cutter hoping to see holes going through the three objects but ...
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1answer
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Whenever I generate a rig, these collections appear. What are these?

I have a few more question: Are these important when animating? Do i have to check the box? enable in viewports?
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Objects move out of collection upon disabling collection

I don't know what's causing this. When I disable a collection, the objects automatically move out of the collection and stay visible. Once I enable the collection again, they move back into the ...
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1answer
52 views

Import multiple obj files in separate collections

https://gist.github.com/p2or/af5bc4fae39b16f8d505 This tool work very fine but exist a tool that import also multiple objs in separate collections, each for every single file? Thanks.
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How do I find what collections a collection is part of? [duplicate]

I am trying to build a collection hierarchy in bpy - to mirror a product's hierarchical bill of materials. With a mesh I can do this: obj.users_collection to find ...
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1answer
52 views

Trying to turn off (exclude) a collection by name? [duplicate]

How to do this? I've tried bpy.context.view_layer.layer_collection["my_collection"].exclude = False and ...
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1answer
34 views

How to make a linked collection into an appended asset?

If I have linked a collection in my Blend file and now I want it to behave like I appended it... how would I do that? The collection in question contains many mesh objects. I have also parented the ...
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1answer
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Seeing inside a collection

I have been given a .blend to work with to generate some renders. The large model is made up of a number of smaller/reused components. In the Outliner, (under another collection called Instances), ...
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1answer
178 views

Asset Browser not adding to default location

I am trying to add my character collection to the asset browser. However when I mark the collection as an asset, it shows up in the local file within the asset browser, but not my default folder. ...
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1answer
23 views

How do I create a text file from the selected objects containing name and collection?

I'm trying to do something similar as in this post, but instead of all dimensions from each object I want to know to which collection they belong. The part of the code I changed was: ...
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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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1answer
233 views

Export collection and set FBX file name as collection name?

How difficult is it to make a selection by collection and set the FBX file name as the collection name? ...
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1answer
59 views

Indirect Only check for collections - Full Data path

Why is there no option to copy full data path of the indirect only check in collections? It's possible for "selectable", "disable in renders" but not for "holdout" and &...
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1answer
133 views

How to use collection of armatures with children meshes in particle system or Geometry Node Instancing?

I'm having a little problem right there: I have 5 different rigged zombies with different animations, so in the outliner they're armatures with a child mesh of the zombies: What I want to do is ...
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Can't find a collection

I have a collection (called "SCATTER: Tree1") with an object inside, and I can't seem to find them in the view layer. I've tried to activate some restriction toggles that can sometimes hide ...
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1answer
67 views

How to create sub-collections?

How can I create sub-collections? Like a collection inside another collection. I only found how to do it using python, is there any easier way that doesn't envolve coding? Thanks!
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1answer
160 views

How do I change collection color?

I noticed in the preference settings that there is an option to change the colors of different collections, but how do I actually change a collection with color 1 for example? This would really help ...
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1answer
167 views

Cycles render out of memory and long Initializing

I have a very complex scene where I always get out of memory while rendering. Because I want to find out what is causing the biggest problems, I have deactivated various collections. What I do not ...
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1answer
21 views

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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1answer
69 views

How to get a list of selected excluded collections in the Outliner using Python?

The Batch Rename feature of the blender's Outliner does not appear to work for the collection, so I want to write a script myself. There are a lot of heavy mesh in the collections, so I'd like to ...
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How to search through multiple Blender files and filter objects by collection?

This is similar to this question except I need to also filter my objects by collection. I have a large group of Blend files. I need to go through each one and check if all the objects (and their ...
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23 views

Good practice script way to unlink object from scene

Somehow I`m spending too much time to unlink object in root scene after being linked to collection. What is the script way to unlink object from root scene in this case ? something like scene.objects....
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1answer
73 views

How to set color tags to collection with Python?

I’m trying to set a color tag to a collection with Python by using the collection name. How can I do that ? Have a nice coding day !
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Help with linking collection data

How do I link collections together so when you add an object in one collection, it appears in the other collections? If not, is there a way to do that?
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1answer
22 views

Soft bodies go through each other

Help I'm trying to make soft bodies collide with each other but nothing seems to be working instead they just go through each other.
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38 views

Plane mesh doesn't show up in Collection?

I'm a beginner when it comes to blender but I've learned a lot in the past few days. I started a new project where I was messing with the shape of a cube. The cube was showing up in the collection on ...
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2answers
16 views

How can I create a mouse Shortcut in Blender 2.8x or 2.9x to select object siblings in a collection with double click

I hope you are doing OK. I want to create a shortcut entry to be able to select a collection with double click in the 3d Viewport but I cant find the right command to put in the identifier. If I check ...
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1answer
35 views

Create and move bones using BoneList (BoneCollection) python

I try create script for my self to rigging. I create adn snap bones using this code for all bones(copy and paste) ...
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1answer
37 views

Making collections unselectable at the same time

Is it possible to make all selected collections unselectable at the same time ? I mean, without clicking on each single arrow of each collection ? I would like that at the end all the collections ...
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2answers
101 views

How to rename objects based on LODs in python script?

I want to rename objects and their meshes by their triangle counts in a particular collection. The script should identify similar objects and put them in a collection then rename them based on their ...
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1answer
225 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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3answers
454 views

How to put similar named objects into collection in python?

I wrote a script that can detect similar objects based on the selected objects but can't put them in a collection named after selected objects. It's not working. ...
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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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