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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37 views

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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1answer
29 views

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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15 views

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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16 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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3answers
94 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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2answers
2k views

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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1answer
85 views

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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1answer
65 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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1answer
30 views

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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0answers
25 views

What are these block icons in outliner and why do they make my object weird?

They are only in my copy and pasted items from another file, and they don't bend like other objects for some reason. I don't know how to get them off and i don't know how they got there. I already ...
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1answer
67 views

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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1answer
75 views

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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0answers
17 views

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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2answers
46 views

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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0answers
70 views

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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10 views

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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0answers
9 views

weird duplicated pieces will not delete

I am having kind of an odd problem with part of my model. I have a fully modeled jet ski that is separated into the general body and then individual surfaces that are wrapped. For some reason I have ...
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0answers
24 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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0answers
16 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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0answers
32 views

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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1answer
32 views

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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0answers
37 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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1answer
34 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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0answers
32 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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0answers
24 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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0answers
86 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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0answers
78 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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1answer
528 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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0answers
186 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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0answers
20 views

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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0answers
29 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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0answers
39 views

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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2answers
822 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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1answer
217 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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0answers
374 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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1answer
127 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? ...
3
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1answer
942 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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1answer
335 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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0answers
62 views

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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0answers
43 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 ...
3
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1answer
486 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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0answers
102 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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1answer
49 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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0answers
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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1answer
118 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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1answer
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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1answer
107 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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2answers
74 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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1answer
53 views

How to unlink two objects in the same group?

The cube I was messing with somehow "coupled" to the bottle and now i can't select them individually. What happened? Doing Alt+P and Clear Parent doens't do anything.
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1answer
202 views

Scripting: How to correctly group objects

How can I correctly group multiple objects and have them behave as a unit. I tried the following ...

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