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.

Filter by
Sorted by
Tagged with
1 vote
1 answer
17 views

Blender Batch Rename Collections not working?

i want to Batch Rename multiple selected Collections. But it does not work. I get a message "Rename 0 Collections". With Objects it is working fine. What am i doing wrong?
user avatar
  • 23
1 vote
1 answer
30 views

Where are Collections stored from Geometry Nodes?

i am trying to find a Collection that is used from my Geometry Nodes (Collection Info), but it is not shown in the outliner. Where is it stored? Added by an Add-on
user avatar
  • 23
0 votes
0 answers
11 views

Asset Library Materials on Collections

Version 3.2 Beta gives possibility to add Collections to Asset Library, but when I do it, and in another scene I drag this asset, I can't change matrials it. Is it possible, or do you have any ...
user avatar
  • 187
0 votes
1 answer
31 views

Is there any reason anyone would prefer appending/removing external parts over excluding/including collections in an object generator? [closed]

I bumped into this NFT generating script where a guy just keeps on deleting everything->adding new random objects from external files->rendering->deleting everything->repeat. And I started ...
user avatar
  • 174
0 votes
0 answers
17 views

What's the best way to merge or parent these?

So for context, I'm new to blender and making a simple building structure. I am going to add at least one more object to it. How can I put all of these "plane"s into a collection while ...
user avatar
  • 181
-1 votes
0 answers
15 views

When i create a new object there is no new layers [duplicate]

I'm trying to do a katana and I was'nt able to do a rotation on the cube who is on a cylinder, then I see that in fact my cube was considered as a cylinder like there both in the layers call "...
user avatar
2 votes
1 answer
17 views

Moving objects that have been created using 'Add collection instance"

I've created a model of an octagonal gazebo by creating objects then using "Add Collection Instance" to duplicate objects and then rotating. The creation went great until I went to move the ...
user avatar
0 votes
1 answer
23 views

Is there any way to convert an empty with objects parented to it into a collection

I just got a Kitbash 3d asset pack and I want to add it to the blender asset browser but the problem with this is that the asset browser does not support objects parented to empties. is their a way to ...
user avatar
3 votes
1 answer
30 views

Python: Creating instance of collection

I need to create instance of collection in python and i cant find any way to do this. Im stuck because i cant find a way to "set selected" anything in outliner via code and the console ...
user avatar
1 vote
1 answer
56 views

Reset children in Collection Info node

The Collection Info node in geometry nodes has an Original/Relative transform space options. I understand that Relative sets the local transformations of each object such that its final position is ...
user avatar
  • 321
3 votes
2 answers
46 views

How to select an object in nested collection using python script

I want to select all objects in nested collection then do some operations using script. How?
user avatar
0 votes
0 answers
20 views

Controlling Shapekey with Empty (Appear or Dissapear)

I'd like to control my expressions with empties. So I'd like to have 4 empties: Laugh Sad Suprised Angry These will be in expression collection. And when I set the "expression empty" ...
user avatar
0 votes
0 answers
14 views

Different light passes not appearing on render layer node

I was working with motion tracking in Blender and went into the Compositing tab to edit some of the lighting and only use specific passes with my render but found that one Render Layer node had all of ...
user avatar
0 votes
0 answers
33 views

Change object's wire display colour

Can the object's wire display colours be changed from black to a colour that I assign? I have set all objects in a collection to display as wires, but I don't see how I can change the colour of their ...
user avatar
  • 312
4 votes
1 answer
30 views

Remove a (non-master) collection without deleting objects via script

I'm trying to replicate the functionality of right-clicking on a scene collection, and selecting 'DELETE', which removes the collection but does not remove any of the objects. However, all functions ...
user avatar
  • 43
3 votes
1 answer
61 views

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 ...
user avatar
3 votes
1 answer
13 views

How to prevent two Collections

I have created a model consisting of a number of mesh cube objects (resized etc) and have ONE collection containing each of the cube objects. When I import an FBX object Blender places it into a new ...
user avatar
3 votes
1 answer
36 views

Is there a way to delete unused collections?

Just learned about instancing in Blender and noticed that I have some unneeded collections. I tried to find a way to delete them but the only thing I managed to do is leave an empty collection.
user avatar
0 votes
1 answer
30 views

Find "Type" of Object / Collection

So i'm working on a addon. I'm creating Collections in the process and this collections (name) are store in enum ( so the user can load and unload it ). I'm using collection name to find the ...
user avatar
  • 85
0 votes
0 answers
32 views

How To Delete Collection Instance in Blender

I have a collection in the "Scene Collections" panel. But it appears two collections under the collections menu when I try to append that file into another one. Furthermore, I see that extra ...
user avatar
  • 101
5 votes
1 answer
101 views

Collections as Assets (3.1.1)

In Blender version 3.1.1 I have a collection of parts of an object with a data structure something like this: +-- Dandelion       +-- leaf.01       +-- leaf.02       +-- petals       +-- stem My ...
user avatar
  • 171
2 votes
1 answer
61 views

How to add multiple objects to multiple collections?

I have about 50 objects I want to have in 3 different collections. How do I do this quickly without having to do this individually for each object? So for example I have 50 cubes and I have ...
user avatar
  • 127
0 votes
0 answers
10 views

How to render all objects of a collection [duplicate]

I have a blend file with a collection in it. The collection has a list of N objects in it. My goal is to RENDER ALL these objects as individual images. So if I have 100 objects, I want to and up with ...
user avatar
2 votes
1 answer
45 views

What is the best way of adding Kitbash 3d asset packs to the asset browser?

All of the individual assets are parented to an empty. When I mark it as an asset it looks like this: I would like to add all of the emptys as individual entries in the asset browser.
user avatar
0 votes
0 answers
23 views

Why can't I minimize and maximize my collection?

I clicked on the button but nothing happened
user avatar
0 votes
1 answer
19 views

Particle System (Collection) picking children of objects in collection

I want to create a forest in blender and created two tree models. I want the trees to be randomly placed on a plane by a particle system. Thats why I put them into a collection. However, the particle ...
user avatar
0 votes
0 answers
15 views

Enable Light Probes of Collection Instances

I modeled a mirror in a seperate scene in its own collection to keep things organized, applied a reflective material and, because I am using EEVEE for rendering, gave it a reflection plane light probe....
user avatar
  • 471
0 votes
1 answer
26 views

Whats the easiest way to merge meshes in collection?

Hello, so I copied a lot of the same object as the picture shows and want all the selected meshes to be one, so I can scale and color them all at the same time. Is there a way to do that? Best G
user avatar
0 votes
0 answers
56 views

Object missing from collection after joining?

So I just joined my character together and it clearly shows on my 3d viewport + when I render an image it shows fine. However, it literally doesn't show up on my collections tab so I have no idea what ...
user avatar
2 votes
3 answers
476 views

Geometry Nodes: Pick random object from collection (not instance on points)

I am trying to find a way to pick a random object from a collection and join that geometry to the base mesh. I've used instance on points before but in this case I just was to place the object where ...
user avatar
4 votes
1 answer
74 views

Blender 3.0: Toggle visibility of all items in a collection?

Is there a way to make sure that all items in a collection, and its sub-collections, are visible for render and/or viewport editing? Currently the only way I know to do this is to expand the ...
user avatar
-1 votes
1 answer
70 views

Move to Collection command in context menu missing

In the latest 3.0 version the Object context menu has changed and the move to a new collection is no longer available. Any hints? This is the old version This is the new one.
user avatar
  • 324
0 votes
0 answers
40 views

Is randomization possible within a fractal?

I'm making a sort of fractal octahedron using Geometry Nodes and recursion, and I'm curious if there's possible room for randomization within the individual single octahedrons in the end product. ...
user avatar
  • 183
0 votes
0 answers
64 views

How to move collection without moving the instances?

I want to move the collection without affecting all the instances since I would have to rearrange the scene. Is there a way to do this?
user avatar
  • 767
4 votes
2 answers
207 views

Geometry Nodes - Selections from A Variety of Collections Based on XYZ Index values

I'm trying to understand Geometry Nodes in 3.0 by doing my own modular generator where instances are being generated from a simple base mesh object (see image above) that is then put through a Remesh ...
user avatar
0 votes
0 answers
94 views

Replace object mesh with collection instance

I know how to replace an object with another object. I simply select two objects, press ctrl + L, then Link Object Data. There ...
user avatar
1 vote
2 answers
31 views

Rigid body simulation (separate by group of start time falling)

I'm doing animation via rigid body simulation (falling objects) So I need one group of objects to start falling at frame 0, the second at 100, and another one at 200. It's need to separate objects of ...
user avatar
0 votes
0 answers
21 views

Cannot exclude particles form Freestyle rendering

Helloo, a couple of people have posted this same problem but there is no clear answer. I'm, using Blender 3.0 and I have an object that is emitting particles. The object is lying on top of a bumpy ...
user avatar
1 vote
1 answer
30 views

When I move objects to a different collection their keyframes dissappear in the dopesheet, how do i get them back?

I have several collections and noticed that whenever I move an object (that I have already rigged and animated) from one collection to another, the keyframes dissappear from the dope sheet and the ...
user avatar
  • 99
2 votes
3 answers
182 views

Boolean Expression to check if an object exists in a specific collection

I want a Boolean expression to check if an object exist in a specific collection. For instance, test whether "Sphere" exists in the collection "TEST_COL". So I can run the ...
user avatar
  • 329
0 votes
0 answers
163 views

How to make Extended Asset Browser feature turned on by default in 3.0?

Blender's 3.0 release is awesome especially the asset browser. However, I notice that I couldn't mark a Collection as an asset. In previous beta releases you could turn on Extended Asset Browser ...
user avatar
1 vote
2 answers
159 views

Blender Geometry Nodes reference objects should be hidden

I'm currently experimenting with the new Geomitry Nodes in Blender and have also downloaded the Flower Scattering demo from the Blender website. When I go to the original file, the reference objects (...
user avatar
  • 305
1 vote
2 answers
316 views

Selecting a collection via Python

Many similar question but none solved my problem. My selection and hierarchy looks like this: I want to loop through all selected collections, select the collection and it's children and export. How ...
user avatar
0 votes
1 answer
56 views

Query if selection is a collection [duplicate]

I have troubling ensuring that my selection is a collection. My code: ...
user avatar
0 votes
1 answer
96 views

FPS drops when I add an overlay (health bar) to my camera view? (UPBGE)

when I run my game it plays at 30fps which is fine, but when I add a health bar overlay this drops down to 20fps for some reason. Is there any way of having an overlay in camera view without a ...
user avatar
  • 45
0 votes
2 answers
71 views

Make latest collection created as active

I'm trying to make a script that makes the latest created Collection as active right away. Is there a way to accomplish it or we just need to rely on the collection's name to make it active?
user avatar
0 votes
0 answers
23 views

When I use a collection as a particle instance it show up but when I use a object instance I can see them

I have been following the donut tutorial and I am up to around 9:10 (https://www.youtube.com/watch?v=aZ5ungDgFNc). whenever I try to use a collection it just simply doesn't show in render or the ...
user avatar
0 votes
0 answers
12 views

mass rename does not start with 00?

i want to know why when i want to batch rename, the first selected item doesn't start with 00? that drives me crazy i already red theses How to bulk rename objects in ascending order Batch rename ...
user avatar
0 votes
2 answers
157 views

Moving objects inside the collection (Layers panel)?

Is it possible to move objects inside this objects panel/Scene collection? I have now a Camera as a 1st object, 2nd is Cylinder and 3rd is Cube, but I want to arrange them differently. Is that ...
user avatar
0 votes
0 answers
21 views

Blender Cloth Physics - Limit Object Collisions to several collections

is it possible to limit the object collision of a cloth to more than one collection. I can only select one collection. Thanks!
user avatar
  • 305

1
2 3 4 5
7