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Questions tagged [vertex-groups]

Vertex groups are a group of vertices from a mesh that allow specialized selections and or editing.

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Adding Vertex Group to BMesh Vertex

I am trying to add or remove an object's active vertex group to the selected BMesh vertex so that I can set its weight. In this post, Accessing weights of a bmesh, I learned how to access the BMesh ...
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3 votes
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How to see/change vertex weight of vertex groups create by skin modifier?

i made an armature by skin modifier -> create armature. Can i somehow see and change the vertex weights of the created vertex groups?
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Map (smooth) vertex group to a vertex color in geometry nodes

I have a vertex group, which was painted using weight paint, called trees. I would like to use it in the shader editor to (smoothly) mix between two shaders. As I ...
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Vertex colour as shader mask - Cycles

attempting to use vertex maps (either weights or colour) as a way to blend materials on one object (ie no uvs). Right now I have vertex colours working fine as mix input (pictured), but this only ...
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3 votes
1 answer
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How to batch rename vertex groups

I am working on a rigify rig, but made the mistake of setting up the weights before generating the rig, so all the vertex group names correspond to bones on the metarig. Is there an easy way to ...
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How do I reverse Engineer Vertex groups controlled by armature?

So I am making a Sonic Rig as my first model/ Rig. Typically when you're making a face, you have it be part of the same mesh as the rest of the head, mine is different in that the I have a sphere ...
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1 answer
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UV out of Photo View and still works!

I have a character which is one single object that has multiple materials assigned to it. Each material has a few texture maps corresponding to a specific Vertex group. Now here's the question: When I ...
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How are the eyelids controlled in autorig pro?

Let's just think about the upper right eyelid for the moment. Autorig pro created the following controls: c_eyelid_top.r, c_eyelid_top.01.r, c_eyelid_top.02.r, c_eyelid_top.03.r. There are ...
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Vertex group is not moved by bone (only overlapping vertices seem to move)

I have bones for the forefoot (Element.005) and the heel (Element.006) of a foot: I have painted weights for both: Moving the of the forefoot deforms the mesh as intended. However, the other bone ...
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Geometry nodes - Manipulating a specific vertex group

I am trying to move points on a plane in a sine wave pattern but only a specific vertex group. I have no clue where to even start in the geometry nodes panel. So far I have created my plane and ...
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3 votes
1 answer
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Armature deform with automatic weights creates wrong vertex groups

I'm trying to set armature to humans body object. But I have a problem, when I setting parent to armature deform with automatic weights, it's creates wrong vertex groups. Before Ctrl–P After appling ...
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All my characters have lost their bone vertex groups. Is there a way to bring them back?

I worked on my project on a different laptop yesterday, then took the new file back to my own computer today. While working on the other laptop i didnt do any character animation, only camera ...
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Rig & Weights don't stay when uploading .blend file to friend

Me and a friend are trying to work on a model, I do the rigging, he does the modelling, and he was just polishing up a few parts of the model that wasn't done, but it had the working rig on it. ...
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1 answer
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In Geometry Nodes, how can I edit two separate vector nodes in opposite directions with one slider?

I have a model that I'm trying to offset on the X axis. The model is separated into two different vector groups. I want the left half of the model to move in the negative direction on the X axis while ...
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3 votes
2 answers
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Affect only vertices with more than 2 edges in Geometry Nodes

I want to build a road in Geometry Nodes. For that I want the the input to be a mesh line. The Line follows the Path of the road. I want the node tree to "see" junctions, AKA vertices with ...
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Rigging 2D character - assigning vertex groups

Trying to rig a 2D character, parented with empty groups and it's deforming weirdly. I tried assigning the objects to vertex groups but it doesn't fix it.
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3 votes
1 answer
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Geometry Nodes: How to iterate a Vertex Color gradient across geometries?

I want the geometry I create in Geometry Nodes to be generated with a Vertex Color gradient that I can use in the object's material. In this example there are several rectangles, one original, and ...
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Vertex Paint - Cornering Issue

I've made a vertex group on the model of edges I want to displace: In Vertex Paint mode (Vertex Selection) I selected the vertex group, and then set that full black (Paint > Set Vertex Colors): ...
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Mirror Vertex Group in Weight Paint no working (Blender 3.0)

In Blender3.0, I create the left side of bones, In pose mode, auto name left-right, then symmetry. Then set parent to mesh as empty weight. But as you can see in the image, when I paint the left side (...
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Geometry Nodes: How can vertices of a specific group be transformed in Blender 3.0? [duplicate]

I have some geometry I'm transforming in my Geometry Node setup. But certain vertices need to be moved differently. Unfortunately the Transform node does not have an input socket for Selection, which ...
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How to pin a working trebuchet sling using cloth, soft body, and rigid body objects together

I have a working trebuchet arm and counterweight. There are short lengths of chain on the end of the arm; one is fixed to the arm by a ring and the other is hanging on a pin stuck in the end of the ...
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Inconsistent deformation with all vertices weighted to one bone. Certain vertices being affected differently

for some reason a few vertices don't deform correctly. The vertex value is at 1, I only have 1 vertex group for the mesh, there shouldn't be anything else affecting the vertices. normalizing weights ...
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1 answer
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Having trouble with texturing through vertex groups

So I'm sure there are tons of better ways to accomplish what I'm trying to do but at the moment because I'm using a PBR texture with color run through a ColorRamp node, I've been trying to denote a ...
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2 votes
1 answer
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Why does my hair particles grow on the other side of the vertex grouped mesh?

I added hair particle system on my mesh using vertex groups but it seems it applies on the other side of the mesh rather than the area where I specified with vertex group. As you can see it followed ...
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Negative fillet (bevel inward)

I would like to make the bevel go inward. to match the shape of the other module. I can't add a negative value to this
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intersecting bevels different radius (bevel mods)

With vertex group I selected these edges to apply a bevel mod of 3mm Secondly, I created a vertex group for the outer edges to create a bevel mod with an offset of 1 or 2 mm, but it creates weird (...
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2 votes
1 answer
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Blender "duplicates" parts of objects when grabbing

I duplicated an object, added a loop cut and tried grabbing the loop cut in order to make the object look less straight. As you can see in the following video, that didn't work out: I researched for ...
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how to fill objects with holes

how can i fill the below file, i only want to fill the selected vertices or faces, but i dont want the hole/circle inside to be filled. when i fill it, the circle also gets fill. i want the fill to be ...
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Why weight paint is not symmetrical in the mirror plane?

Update: Any mesh with mirror modifier in the new blender version seems to cause the side that is not mirrored to take over the complete control of the vertexes in the mirror plane. Not sure if it's a ...
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1 answer
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How Can I Create a Sculpt Mask Based Purely on Face/Vertex Selection, Instead of By Manually Painting It?

This question gets asked from time to time, and doesn't seem to get any attention. Here's one of the more recent instances: Converting a vertex group into a sculpt mask I find it frustrating that the ...
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Blender Guru Donut icing weight painting not giving desired results

I am following Blender Guru donut tutorial. At level 2 of part 1 after weight painting to prevent particles underneath the icing, they are still underneath it. How do I correct this.
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Can you apply a modifier that adds new vertices (like subdivision surface) without changing vertex group boundaries?

When I apply an SS modifier to an object with this vertex group: I get this vertex group: But I'm really hoping to get this vertex group: I understand the reason why blender does it this way, and ...
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1 vote
1 answer
150 views

Weight painting not applied for particular vertices

I'm weight painting my character and some of the vertices on the finger are not moving with the others despite the fact that it is included in painted area. Here's the example of moving the finger's ...
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How to rig a sword?

I have rigged a rapier. However, the knuckle guard of the rapier won't follow along with the blade.
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UV mapping shading different on each part

I was wondering if there is an easy fix for making the texture appear the same on the whole object, despite having multiple cuts in the UV map. It is imported from OnShape as object, that's the reason ...
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1 vote
1 answer
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How to select vertices and add them to Vertex Group?

I have this sail. I have coordinates of all 4 points. I need to add all 4 vertices (1-4) and all vertices between 4 and 3 points via python to a Vertex Group called 'SailPin'. At the moment I have ...
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Can I place one mesh/specified faces in a particle system?

I'm very new in Blender. I've tried creating a basic football by placing the black part of the ball as meshes top of a UV Sphere (Cone here,for example). Emitting from vertices can be done with vertex ...
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6 votes
3 answers
198 views

Selecting vertices in the interior of a given grid x by y (vertices)

In geometry nodes, I need to be able to select dynamically those vertices of a given grid of X by Y that are not positioned on the outside border of the grid... that is, if for example you have a grid ...
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BoxCutter Hard Ops sort issue

so i have a bit of don't know why it's not working situation, adding a vertex group into a bevel and changing the sorting options on both Boxcutter and Hardops to ignore the Vgroups Bevels ( it does ...
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2 answers
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Automating a script that I am using to go through each of the indices and weights

So I have two scripts, one that goes through the name of the vertex group and prints out each of that groups weight painting influence. Another script that goes into Edit Mode, and from the selected ...
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Vertex groups missing when opening file

When I open my blend file,all of the vertex groups appear to be missing. However when I tried to open it with blender's "recent files" option everything was fine. What to do?
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how can i fix my bones and the mesh connected to it?

Hi I'm trying to rig a character from Mixamo (I swapped out the default rig for a more complex one) all the vertex groups are in the right place but when I use automatic weights or empty weights, it ...
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Cloth is not moving while Vertex Group is

I've been trying to make the sling part of a trebuchet, and whenever I press play, I get this stretching effect instead of the cloth being pulled by the arm. I have vertex groups at the ends of the ...
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Gradient tool seems not working with Mirror Vertex Group in Weight Painting

in Weight Painting mode, Mirror Vertex Group works properly while using Draw tool, but seems not working with Gradient tools? The blender version is 3.0 release, have you met the same problem, is it a ...
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2 answers
560 views

How do I modify vertex groups weights with Geometry Nodes in Blender 3.0?

I am trying to modify the weights of a vertex group in Blender 3.0 in Geometry nodes but I am not able to do it properly. I can't create weights like values instead of boolean type values. As you can ...
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Shape key value 1.0 doesn't match mesh in edit?

first time posting, but I can't find the solution anywhere, perhaps not wording it right. It is probably something simple but I've yet to encounter this issue despite having made a number of ...
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1 vote
1 answer
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Selecting vertices in certain vertex group or certain weight

I am using blender 3.0.0 Beta I have a plane with many vertices and want to raise one of the vertices higher than others using geometry nodes. I have two approaches : 1- vertex groups 2- weighted ...
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1 vote
1 answer
218 views

How to Copy a Single Vertex Group to a Selected Object?

The Copy Vertex Group to Selected operator replaces my other vertex groups instead of just copying it over. How can I just add a copied group as a new (another) group without replacing existing one?
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1 answer
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Dragging towel across floor using cloth simulation

I'm attempting to have character model using a rag to clean floor and having the cloth attached to hand but dragging across the floor, the floor being the collision. I would only want cloth attached ...
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grease pencil rig not working despite filled vertex groups

so I've been having this issue with rigging these grease pencil eyes using vertex groups. The irises and eyebrows will not parent to the bones despite their vertices being in the vertex groups for ...
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