Questions tagged [collections]

For questions relating the to the new 2.8 "layer" system and collection management

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3answers
59 views

How to add a mirror modifier to all objects of a certain collection?

I'd like to add a mirror modifier to each object of a certain collection. The problem is that the modifier will be only added to the last object which even gets the same modifier several times and I ...
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2answers
30 views

How to have collection where collection origin is not world origin? [duplicate]

I'm trying create a set of modular 3D pieces in one blender file that I can use to build scenes. My idea was to create a single file with the modular pieces and then create a second blender file that ...
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2answers
41 views

Blender 2.9, is there a way to select the collection in outliner when an object in that collection is selected?

I'm working on a large scene, I organized the objects in collections and I need to duplicate some of these collections and transform them, the process so far is: 1- Select object in viewport that is ...
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0answers
13 views

Python : create new collection under root [duplicate]

How to create a new collection under root ? cols = bpy.data.collections new = cols.new("MyTestCollection") then how to link to root level ? I tried these ...
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1answer
19 views

how to have one force field influence on 2 collection?

I am trying to make a tornado. I want to make a force field influences two different collections of particles.I have separated different force fields by collections but now I want a specific force,to ...
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1answer
16 views

Can’t move hierarchy to collection or parent in outliner

I have this one chain hierarchy in my outliner and it doesn’t move to the collection when I parent it to an object in that collection. Even if I try to move it manually it just stays there outside the ...
2
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1answer
21 views

Disable the collection of linked object

I created a 3d house using 2.83.7. The main component are : wall , ceiling , floor , door , window etc. So i created some collection to manage it : WALL, DOOR,FLOOR ,WINDOW etc WALL collection ...
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0answers
26 views

Move/rotate all objects contained in a collection around the space

I have modelled a car and I have arranged all differents objects parts in nested collections under a main one called "Model". Now I need to move all the car in the space I know that I can ...
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0answers
25 views

Handling a deep hierarchy of empties imported from C4D

I have a project with a lot of parts that I organized using null objects in C4D, which are interpreted as empties in Blender. It's quite a deep hierarchy, think 6000 objects with 800 null objects as &...
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0answers
24 views

When moving objects to a collection, not all selected objects are moved. Why?

I am working on a fairly large scene that has a lot of mesh data, active booleans, and mirrors. I am trying to clean up the file so it's more easy to manage. What I have been doing is moving major ...
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0answers
6 views

How to apply a collection/armature transform scale to chidren meshs

Context : I downloaded a 3D model for a Unity project. I imported it in Blender to make some hierarchy modification : it's an excavator and it needs to be drivable. I'm a Blender beginner. The model ...
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0answers
13 views

Why are my collection items updating together even when I want them to have different colors?

My collection items are changing colors together, even though I want them to have different colors? I've equally placed the items into different collections, yet when I change material or color for ...
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0answers
5 views

Linked Collection Does Not Import Texture Maps?

I'm still a bit new to linking files but when I tried to link a collection of objects, only the materials loaded and not the texture maps. I tried linking materials, textures and just about every ...
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0answers
20 views

Animation nodes: multiples of a collection with animation along a curve plus lattice modifiers

I have a collection... inside that collection is a curve, and an object with two modifiers (curve, and lattice) the object runs through a simple 30 frame animation. By using animation nodes, I would ...
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0answers
13 views

Collections / Proxy / Rig

I would like to do the following, here is how far i have gotten: There is a rigged character in a file, inside a collection. Works. I link that character-collection in that file into a master shot ...
1
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1answer
44 views

How to make a lamp light only one object in the scene

I'm new to blender, and I'm a hard time understanding layers and collections. I started using Blender on 2.8, and most of the topics I read about the matter compare how it works now with how it used ...
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0answers
16 views

How to dynamically update an enum drop-down menu with collection names? [duplicate]

I have a basic UI panel with a basic dropdown and I want the user to be able to select a collection from the list and have it passed back to the code. I know how to access the list of all collections: ...
2
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0answers
15 views

Incorrect instancing Collection Instance on mirrored faces

I'm modeling mechanical bird wings. The workflow until now was: Collection of feather parts Instance Collection Make a Plane, added Array -> Curve (linked to Bezier curve) -> Mirror (linked to ...
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1answer
52 views

Blender: How do I unpack a linked instance to make changes to it?

Sorry, but I'm not too sure what the process is called. I basically created an exterior scene full of linked instances by going to: File>Link>Selecting Blend File>Collections>Selecting the ...
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0answers
19 views

Particles - collections and instances

I have created collections with characters that I'm using with particle emitters and I have questions about optimizing workflow. My first question is there possibility(or what Im doing wrong) to use ...
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0answers
19 views

import obj to a certain collection

I have code that import an object. bpy.ops.import_scene.obj(filepath=obj_path, filter_glob=".obj") but it work for selected collection. but I'm looking ...
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0answers
34 views

Move collection including invisible objects

How can I move/transform a whole collection of objects, including invisible objects? I have invisible objects to facilitate boolean modifiers. The popular advice to move a collection is to select all ...
2
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1answer
45 views

Arrange order of items in collection / outliner?

I’d like to manually rearrange my items within a collection but dragging doesn’t do anything ? I’ve turned off Sort Alphabetically but still no joy. Maybe this isn’t possible yet in Blender 2.9 ? I ...
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0answers
8 views

Particle collections - optimization/change display

I have like 128 collections, each one have different character - rigged and animated. From that I'm creating clone army with particle hair system, problem is with optimization - with that many ...
2
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1answer
60 views

What happened to the selection and camera toggle buttons in the Scene Collection Window? [duplicate]

There used to be all these icons for each of your object in the Scene Collection window. In this picture, there's the visibility, selectability, and a computer and camera icon (not sure what those ...
3
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1answer
78 views

Object appears twice when linking it to a collection

I am creating a bone, and then a collection with a specific name if it does not exist, with the following function: ...
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0answers
29 views

Rename Collection on Mac OS

Maybe there's a problem with my set-up, but I can't find a way to rename collections. Left-clicking and double left-clicking just brings up the outliner context menu. Could it be a Mac OS specific ...
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1answer
73 views

Rename a Collection using Python?

Is there a way to access a collection's name other than through bpy.context so it can be renamed?
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1answer
21 views

Boolean modifier not making new faces in mesh

So I'm trying to make a smooth spherical cut in my object, I'm using the same object (icosphere) to cut both my meshes and it's worked fine on the right (hammer spike) and made new faces where it's ...
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0answers
12 views

Offset walk cycle animation of collection instances (2.8)

Is it possible to have a collections instance of a character walking, and then offset each instances animation so that they aren't synchronized to walking at the same time? Thanks!
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1answer
78 views

How do you know if a collection has been clicked on by the user using Python?

How can I create a panel that allows me to add custom properties (StringProperty, BoolProperty, etc) for Collections? I want to ...
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1answer
21 views

How to find collections where an selected object is linked to?

I have an chair model and it is linked to multiple Collections. How to find what collections that the object is linked to ?
2
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1answer
119 views

How can I select multiple parents and their children?

I have a multi-object structure (parents and children). In the Outliner, if I select objects and move them to a collection, it will move the object but NOT the child. So I have to select the hierarchy ...
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0answers
34 views

Is it possible to increase the spacing in the collections panel?

As the title and picture explain :) Possible?
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0answers
121 views

How to export instanced collections to unity and retain the heirarchal format of an object?

I'm trying to export my scene with all its objects hierarchies into unity. However the instanced collections of the Sofa object does not have the same hierarchical format of the original collection ...
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0answers
20 views

Can I highlight Collection(Parent) and object inside(child) if I click in object on viewport?

Can I change this triangle highlight color or highlight entire COLLECTION line and the object selected inside This selection is very hard to see. If we have multiples collections and selected an ...
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1answer
35 views

How 'Remove Selected from Active Collection' feature works?

I thought Shift+Alt+G (Remove Selected from Active Collection) was just a change to a collection. I read the official manual and understood it. But in fact, the way this function works in the blender ...
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0answers
27 views

Blender question about collection instance's origin

Recently, I knew about collection instance. I want to make 9x9x9 cube with not using memory much. So I made 729 collection instance. But when I rotated cubes like image 3, cubes were moved to arrival ...
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1answer
255 views

Export FBX while keeping Collections Hierarchy

I am looking for a way to transfer the hierarchy of the collections from Blender to Unity. In other programs, like Cinema 4D, this works without any problems. Is it possible to export a fbx-file with ...
2
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0answers
48 views

Linked Duplicates vs Collection Instances

I'm pretty new to Blender, and am trying to wrap my head around some basic workflow stuff. I have been modeling a small truck which has several reused components (tires, suspension, windshield wipers)....
0
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1answer
87 views

What is the Python API for moving a collection?

I created a Python like this bpy.ops.object.move_to_collection(collection_index=2, new_collection_name="Background") But this code must have a collection ...
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0answers
14 views

Appending collection with excluded sub-collection from blendfile loses exclusion

I have a blendfile with some particles. The main scene is in a collection called Set. The master particles are in a sub-collection of Set called Particle Masters. That sub-collection importantly has &...
0
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1answer
99 views

Recursively traversing a tree in a collection in Python [duplicate]

I have 100 collections and they form a complex tree structure. I would like to enable the Holdout and Indirect Only options for the 50 specified collections from the entire collection. In order to ...
0
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1answer
146 views

Selecting multiple collections & all objects inside them

It is possible to right click in the outliner on the collection > select objects. I would also like to select all my objects from another collection. Right clicking and > select objects ...
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0answers
25 views

Object level (non destructive) Shear/Shean with children?

I'm writing a importer for Adobe Animate/Flash projects, and I'm trying to preserve most of the original structure of the adobe project. ( With some exceptions ) And I've most things figured on out ...
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1answer
26 views

Matching identical objects in two models

I have two separate collections: each of these collections both contain an identical object (blue cone). In reality, it is much more complex than this example and the shared object could be like in ...
1
vote
1answer
25 views

How to Make Copy of Scene but change some things

So I am working on a scene with objects, cameras, lights, paths, etc. My goal is to make almost a complete linked scene, however I want to change key frames, minor positional changes, swapping out ...
0
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1answer
12 views

How to keyframe all the objects viewport/render visibility inside the selected collection via python code?

How to keyframe all the objects viewport/render visibility inside the selected collection via python code? And there's a boolean there that you can just type "False" or "True" to ...
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2answers
212 views

How to add a Stroke Layer in a Collection

I'm creating a 2D Animation, but I'm confused on how layers and strokes work or if they're the same, so how do you make a new layer/stroke in a Collection?
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0answers
27 views

Crash when you turning on the collection checkmark

When you turn on the collection, a crash occurs and the program closes. The collection contains several objects that were operational before the collection was turned off. After some time it was ...

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