Questions tagged [groups]

Prior to Blender version 2.8, Groups were a means of organizing and instancing multiple objects, which could be manipulated as one. Use this tag for questions pertaining to Groups in version 2.79 and earlier versions of Blender. For more recent versions, see the [collections] tag.

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Clean Up Node Groups

in the shader editor let's say I hit a couple of ctrl+g to group some nodes, and then I change my mind and I ungroup those nodes. I've noticed blender keep adding new NodeGroup in the blender file ...
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Export to Maya with groups

I must manage to export to Maya with the groups Hierarchy, possibly converting the collections Hierarchy. I must do it with vanilla Maya, in Blender I can use addons; I tried .obj, .fbx, USD doesn't ...
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Custom Property Folders (not with python?)

sort of new to blender. Been messing with custom properties and drivers, was wondering if there is a way to make a folder or group for organizational purposes (without python scripts). If a python ...
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50 views

Add a GroupNode to all objects except 1 specific one with Python

Does anyone have a clue how to do this? In python code i have a button that selects all my objects in the scene except 1 object named ‘PLANE’. Those objects have all a material (Principled BSDF and ...
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Is there a way to replace an object with another one AND its children?

I want to replace several objects with a group of objects each. So I tried it with a parent group and linked the data oft the parent with the objects I want to replace, but it only links the data of ...
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A single node that affect multiple meshes

I have a lot of meshes of hair ( with their own node setup/uvs/textures/materials ) that forms a complete haircut. How can i make a node , like a color ramp , that will affect all these meshes at the ...
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Why do my grouped material nodes not appear as a box? [duplicate]

In this tutorial, when the user groups some material nodes (at around 8m25s), they appear as a box which he can rename. When I follow this step, my whole node background goes a shade of green. The ...
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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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3 answers
180 views

Is there a way to fill tiny holes leftover when joining meshes together?

I merged/joined some planes when transforming them with the polytool. I saw that this 2 tiny holes were left. Is there a way to fill them or get rid of them? edit: Here is the file: https://drive....
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2 answers
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Blender 3.0.0 - How to use a vertex group in geometry nodes?

Does anyone know a way I can utilize vertex groups to limit the instancing in v. 3.0.0 ? Here is a thread explaining nicely what I'm also trying to do. The thing is, 3.0.0 Beta apparently removed ...
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Checkered Texture from Nodes

Greetings dear 3D artists! I am trying to create a checkered material from groups of nodes. I am using the following groups of nodes: 'Checkers V2.0' - Generates checkered material. 'Grid' - Generates ...
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129 views

How to rotate many objects around their individual origins?

I have got about 500 planes in my scene that were generated by an addon. But the addon generates them in a horizontal orientation, whereas I need them in a vertical orientation. One object, or two, I ...
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How to get back parent with empty

I have a big empty parented to all my model, There are several small empty for window door etc. I forgot to select the small empty and parent to big empty. What i did is i selected my complete model ...
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Dope sheet doesn't color channels anymore

When having bone groups with colors would make these colors to show up on the Dope Sheet keyframe channels like this This is what it's meant to look like, But now everything is a single color I took ...
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2 votes
1 answer
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Put Node Groups into Premade Categories

So I was making node groups the other day, and had a thought... "Hey, could I put these into one of blender's premade categories?" I searched far and wide, climbed mountains, ventured ...
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Group visibility doesnt toggle inside visibility?

how come turnign off visibility on a group doesnt turn off visbility for the things inside it? This happens often and is really annoying
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Pros and cons of seperating meshes into objects and ways to switch between [closed]

I got confused recently where I couldn't select a mesh in edit mode unless the object was selected. I'm working on a map with a lot of separate meshes, so it's a chore to scroll down to the ...
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Do semi-complex material node groups considerably slow down Blender?

I've put together several node groups for the purposes of color correction, falloff, and other various utilities. I'm wondering though what kind of impact this will have on my scenes if my materials ...
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How do I designate objects as parts of different material groups and different vertex groups? [duplicate]

Thank you for taking the time to look at my question. I have a robot figure that is split up into a collection of various objects. Some of these objects will make up separate vertex groups that will ...
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42 views

How to mirror actions from a object to another in real time?

im having some trouble with trying to mirror my actions into another object. So basically imagine Cube 1 and Cube 2 side by side, what i want to do is to when i change any form our scale of the Cube 1 ...
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19 views

How to take an assest I made and group it together to Appended in another project?

all I am very new to blender. I have been googling but cannot seem to find anything. I made a dumpster for scenes to use in the future. I parented it to an empty, but I cannot figure out how to group ...
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Merge bezier curves without deformation?

So I've been working on the hair of a character, and I need to merge all the hair strips together. But whenever I do that, everything is deformed after doing so. I have tried applying rotation and ...
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How to add a modifier to a collection(group? linked objects? IDK) which it has modifiers inside

I'm a beginner to blender and I'm trying to make a cnc model using some different objects which have mirror modifier inside the group(e.g. the bars). And now I want to add an array modifier to let it ...
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1 vote
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66 views

CTRL+J Changes my imported svg file

I imported an SVG file and when I do ⌃ Ctrl + J it changes my images, it crops it. The image that says "Just Play" is before ⌃ Ctrl + J and the cropped one is after. Why is this happening? ...
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43 views

How to make node disappear

It seems to make the value node disappear while connecting it to group input. I've tried different combinations and have node wrangler on but I'm not sure how to get it. I'm also unclear as to exactly ...
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2 votes
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35 views

How to Stop Join From Creating Doubles of Objects?

Situation I am trying to import a Collada model with many individual pieces to Blender. I have thus far successfully imported the model, added color to the individual parts, and I am now trying to ...
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43 views

Object glitching/dissapearing in render [duplicate]

I have completed my animation but I realised when I render it that one of the propellers blades starts to glitch. On some frames it is in shot and some it is out of shot and this is really strange. ...
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136 views

Bending a group of objects?

How to bend (or add any other deforming modifiers to) a group of objects as at one solid object? Just for example this car animation (URL attached). It is good to keep wheels and lights, interior, and ...
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107 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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1 answer
689 views

What is a python command to create a node group or shader node tree from the nodes in the currently active material?

Essentially what I am trying to do is create a script that can make nodes into groups or shader node trees (unsure exactly what the difference is) based on which nodes are told to be selected at the ...
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1 vote
0 answers
281 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 ...
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Pivoting multiple objects around Cursor doesn't change individual object orientation (2.8+)

Following the Blender Guru Wrecking Ball tutorial and ran into a hitch at 4:47 with Cursor Pivoting. I've successfully snapped my Cursor to the selected object, selected Transformation Orientation: ...
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1 vote
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37 views

grouping objects with modifiers so it behaves like one object

Grouping objects with modifiers so it behaves like one object. Is it possible to make a such grouping? I made shoes for a character that I want to animate. The shoes are composed of several elements (...
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Add a created group in a node tree exploiting python [duplicate]

I have created a node tree in a different blend file, and I just need to add it as a group exploiting a script. In the following figure there is the "manual" procedure. I have tried to add ...
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4 votes
2 answers
1k views

Why doesn't Blender have groups that allow you to transform grouped objects all at once?

I'm a long-time 3DS Max user recently converted to Blender (refugee from the monopoly and now financial oppression practiced by Autodesk). So far, I love many of the features in Blender more than Max ...
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1 vote
1 answer
310 views

What is this hierarchy of an empty and a collection, and how do I get to the mesh inside?

I got some plants from here and they are gorgeous. However, I ended up moving some files and the textures broke, so I diligently went back and fixed them one by one. The last bit was doing the stems ...
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457 views

How to apply modifier to collections

Good morning, everyone, I'm currently on a project to make a small LEGO animation on Blender. I wanted to make a city with LEGO buildings as below. The problem is that these buildings are built ...
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139 views

Rotate a group of 6 objects to align 3 points (each on a different object) on a plane

I have 6 rectangular blocks that I want to rotate as a group so the bottom 3 vertices (each are on a different block) end up on the same plane; in this case the global X-Y plane. How can I do this? ...
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4 votes
1 answer
1k views

How to force a node group input field to display a slider?

I have created a couple of node groups with some "group-inputs-sliders" (The one called "Roughness" in the bottom picture). I would like it to have the blue-bar slider like the blender native ones. ...
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1 vote
1 answer
392 views

Animation node - sorting a collection of objects from their size

Could you please help. I've got a collection of objects, I want each of them to appear ( every 10 frame animation) in the viewer. Starting from the smallest to the biggest. Dear Leander Thank you, ...
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Can not set the origin to a hierarchy/group

Whenever I Select my Group/null/Hierarchy under the outliner. I can't seem to make the origin to geometry work. It stuck in (0,0,0). I've tried to set the cursor to the middle of the group/hierarchy ...
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1 vote
0 answers
55 views

One modifier for a group of objects

I know blender is really weak when it comes to this sort of thing compared to other 3D software. But is there ANY way of using a modifier on more than one object? This would be especially useful for ...
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3 votes
1 answer
574 views

When to use Join vs Parent vs Group

I’m a bit confused when to use/not use Parents, Groups or joining multiple objects into one object. For example I have 500 trees which are 2D images on planes. There are 25 different tree images that ...
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1 vote
0 answers
117 views

How to make Blender 2.8 remember collections Outliner state when i save and reopen the file?

If you create bunch of collections and arrange them in outliner, you "close" some of them and "open" others (with little arrow left to the collection name in Outliner), save the file, exit and open ...
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2 votes
2 answers
81 views

Check if group input node was passed a value, optional default value

I am trying to creat a green screen filter. I would like to have the option of passing it a background image, but if no image was passed, then to just make the background transparent. How would I go ...
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76 views

Selecting Collections [duplicate]

In the older versions of blender, you could group objects and they would be treated like one object. In blender 2.8, groups have been replaced with collections. The collections are not treated as one ...
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1 vote
1 answer
135 views

Duplicating collections in 2.81 not copying everything

I'm trying to copy everything in a collection (I don't want them linked) called Camera.001 from one scene to another scene (the second scene is in the same blender file). But I notice that when I ...
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1 vote
1 answer
2k views

How to align objects to the center of another object

I am new to Blender (2.8) and trying to model a kind of turret, to try and learn by myself. I am encountering a rather simple problem : I have placed 4 cannons relative to one another, and would ...
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1 answer
118 views

How to keep parts of single object easily selectable in 2.8?

I have a humanoid character, and I want to be able to select and move it's parts (like the hand highlighted on the photo) easily - that is without having to select all their vertices/faces all the ...
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1 vote
2 answers
92 views

Rigging problem with a Telescope

I have modeled a telescope and I want to rig it to rotate and pan it as needed in the final scene. I have grouped the parts that I want to rotate and pan seperately, added two bones for both the ...
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