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Questions tagged [weight-painting]

Questions related to weight painting. Weight painting is a method of defining a value for things such as how much a certain vertex will be deformed by a bone, or how long hair particles should be on a certain face.

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32 views

How to manipulate several vertex weights in the blender at the same time, as we do in Maya?

How to manipulate several vertex weights in the blender at the same time, as we do in Maya? From what I think this is not possible. I'm simply fascinated with the tools and the way Blender works with ...
0 votes
2 answers
822 views

How could I fix artifacts caused by the armature modifier "Preserve volume" option

When I'm rigging a character, I usually activate the Preserve Volume option on the Armature Modifier, but today I'm getting some weird artifacts with a particular ...
1 vote
1 answer
290 views

Can someone help make this code work on all vertex groups instead of just the active one?

I have some code which works great at blurring the weights of the active vertex group but I'd like to make it blur ALL of them at one button press. I've edited the code to just try and show most of ...
1 vote
1 answer
22 views

Body contorting when I try to pose it

I'm trying to manually rig a model but when I turn the head, the head starts to contort and shift to become smaller/skinnier. How can I fix this??
-1 votes
1 answer
22 views

Blender Rigging Weightpaint Not Working

I am working on a model megalodon shark for a animation project but can't rig the model. I have been trying to fix it for about a month but its not worked. When I tried to use automatic weightpainting ...
0 votes
0 answers
6 views

Make explode modifer only appear if weight paint above threshold

(Update) I seemed to have figured it out kinda, I've used an attribute node to drive the geometry alpha for the damage and destroyed geometry so the original nice mesh isn't touched but the destroyed ...
2 votes
2 answers
1k views

Mesh distorted when armature bone rotates

My character's arm starts to get suck when rotated on x axis. I tried weight paint and it does not seem to help much I'm really new to Blender and 3D animation and any critique is appreciated.
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0 answers
8 views

Weight Paint - Unable to change weight painting

I am trying to do Weight Painting for my human model. Selected armature. Selected skin. Went to "Weight Paint" environment. Selected one of my bones by Alt-left click. I noticed a lot of ...
0 votes
1 answer
648 views

Weight painted mesh stays in place when rotated

I’m new to Blender and trying to rig a head but the head and body are one mesh so I used weight painting to make sure the head bone only controlled the head. When I rotate the head bone the head ...
1 vote
2 answers
598 views

How to select a bone in weight paint mode?

I don't know how to select a bone when I am working in Weight Paint mode. How to select a bone when working in another bone at weight paints?
0 votes
0 answers
19 views

Object Stretching Behind Bones

So I'm trying to rig a character's torso/stomach, but whenever I parent the shirt to the bones in the armature (with automatic weights), the object stretches behind the bones when I move them. I've ...
0 votes
1 answer
2k views

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 (...
0 votes
1 answer
27 views

Why is it when I try weight-paint one part of the mesh, all the other bones are also weight painted in that section to

[When I weight painted on the hand bone, the elbow bone also got weight painted on that section even though I didn't press Alt on it.
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1 answer
1k views

how do I copy armature with weights to another mesh?

I saw some other posts on here with similar questions but nothing exactly like what I'm facing here. I'm trying to copy specific bones of the main body armature of a mesh to a clothing article in a ...
1 vote
1 answer
629 views

Weight painting: absolutely nothing happens when I click

I'm following the donut tutorial by blender guru (https://youtu.be/4WAxMI1QJMQ?t=1226) and now I'm stuck on the weight painting. I'm quite sure that I followed the tutorial: added a new vertex group ...
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0 answers
13 views

Getting Bone Heat Weighting: Failed to find solution for one or more bones [duplicate]

Since I wanted to replace the Assetto Corsa driver with other models, I unpacked the rider files in them and deleted the driver models, keeping only the skeletons. But it keeps reporting errors, and I'...
1 vote
1 answer
13 views

Weightpainting workflow for clothes

I'm working on the production for a historical video and some debate came up in the team. Mostly regarding the skinning/weight painting of the clothing items. Debate might be a big word, so far no ...
4 votes
1 answer
612 views

Automatic Weight problem

I want to parent my character's pants to the armature, by pressing CtrlP > With Automatic Weights, but there's a problem with the pants after doing so. What I tried so far: Removed doubles, ...
0 votes
1 answer
1k views

0 Weight Vertices still affecting deforming bones

I have an issue with Automatic Weights with my human character, it fails. So I'm trying to weight paint manually, however strange things happen: There's no weight painted under the neck. You don't ...
0 votes
1 answer
560 views

Need to change the topology while weight painting without breaking symmetry

Here is the situation: I am weight painting on a symmetric mesh, and have put a lot of time into part of the rig. I discovered that there is bad topology in a certain section of the mesh that needs to ...
0 votes
1 answer
3k views

weights not showing in weight paint mode

So I have a mesh that's touching another. I gave it a bendy bone -- and following this tutorial, I added two bones at the head and the tail of the bone that I used as "custom handler references" -- ...
2 votes
1 answer
174 views

Parenting Mesh to Bones Issue

I have been working with blender for a few months now and just tried modeling a character which I am currently rigging and completed weight paint on. After completing the weight painting of all the ...
1 vote
1 answer
647 views

How to weight paint character whose mesh is in several [joined] pieces?

Hello all you beautiful Blender-people! I am trying to finalize a character but am having trouble pinning down the bone weights. My character mesh is technically "one mesh" but that mesh has multiple ...
0 votes
2 answers
1k views

Weight paint painting on both sides?

I’m doing the donut tutorial of Blender Guru and I’m on the sprinkles bit. When I pull out the weight paint to make sure it doesn't show sprinkles on the bottom of the icing, the weight paint paints ...
0 votes
2 answers
36 views

I can't select bones in edit mode [closed]

Ok so, whenever I got select the armature first, and then the arm mesh, put it into weight paint and I try to click on the bone, the armature turns gray and the armature goes into object mode or any ...
1 vote
1 answer
866 views

Automatic weights not working with rigify (auto- python checked)

Hello great blender masters. i have made a human mesh, added a rigify rig, lined everything up, clicked generate. But when i click parent with automatic weight, it parents with empty weight groups... ...
1 vote
1 answer
16 views

How do i disable topology on weight painting mode?

I have this problem where when I choose an object and go into weight painting mode i can see all edges and cannot paint. This only happens on one object. I do not even know how I got this problem in a ...
2 votes
1 answer
1k views

Armature: automatic weights not working correctly

I've rigged a few models and automatic weights always worked pretty good, compared to what's happening to me now. Vertices assignment is all over the place and I don't know why. This happened only on ...
1 vote
1 answer
22 views

How to select a bone and pose the armature in weight paint mode

I'm a beginner and I tried to weight paint with a tutorial. I found that the teacher can select the bone and change the pose when weight painting using "Ctrl+LMB" so that she don't need to ...
0 votes
2 answers
746 views

3D Weight Paint into 2D Weight Map

Lets say I have a 3D object that I am weight painting in Blender, but by chance some of the vertices that need to be painted are hidden because of how some areas get weighted more than others. With ...
2 votes
1 answer
395 views

How to weight paint complicated meshes?

I'm trying to make wings. I want to animate them later so I have to rig and weight paint it. Does anyone know if there is a simple way to weight paint the space between the layers of feathers? Or ho ...
0 votes
0 answers
14 views

Weight paint blur and smear can only draw at full strength. How do I fix it?

I am trying to weight paint my model but when I go to blur and smear the brush just continues to add weight like it is drawing with full strength/turning everything red. Turning down the strength ...
1 vote
0 answers
30 views

How can I keep the "Nock Point" on my bowstring from flattening?

I have created an archery bow model, and rigged it accordingly following a few tutorials. Unfortunately, I still have an issue: when I use the "string" bone to pull it, the string mesh has a ...
1 vote
2 answers
798 views

Object Stretching When in Pose Mode

I rigged my first character and all looks good expect for the foot. When I move the spine bone, the heel of the foot stays on the ground while the rest of the model moves. I thought it was an issue ...
0 votes
1 answer
395 views

Clothing intersecting with skin

I'm having trouble with getting my mesh deformation to work how I'd like it to for clothing. I would assume that this works fine; since it's effectively the same mesh + same weights, but unfortunately ...
1 vote
1 answer
1k views

Made a mistake weight painting now i cant reset weight values of bones to the automatic ones

Im new in blender and i was tryign to rig arms for my 3d project but they would deform a lot. I tried a lot of things, one of them changing weight painting from the automatic one. But now i realized i ...
1 vote
1 answer
1k views

Manually Painted Vertex Weights don't export to FBX, but auto-weights do

I'm exporting using the AutoRigPro exporter. In Blender, the weights look fine (the first image). However, After auto-weighting to my rig, I needed to do some manual painting around the wrists to fix ...
3 votes
1 answer
662 views

How can I apply a blur to vertex group weights using python?

It's a long story, but I need to use "Assign Weights" to a mesh in order to get it to export properly into another program. But the assignment (from the particular rig needed) results in very blocky ...
0 votes
1 answer
627 views

Rigify not using weight-paint from armature

Pretty basic question, but after parenting the armature to the object and weight-painting all the bones, I use the "generate-rig" button and, despite the rig appearing correctly, it´s not ...
0 votes
1 answer
439 views

Weight painting in small spaces

can I get some ideas on how I can get into small spaces like this while weight painting? The biggest issue is the head and collar weights blending together, as shown here: Changing weight, radius, ...
4 votes
1 answer
1k views

How do I use dynamic paint to control hair density?

I tried using the dynamic paint modifier to control the hair density of an object but it didn't work out like I wanted it to. First is set up a plane, gave it a few subdivisions and added a dynamic ...
1 vote
1 answer
13 views

Mesh distorts while posing despite weight paint

The head mesh of this model distorts every time i move the left upper arm of the model. However, i also can't figure out why it is doing this. i checked the weightpaint of every single bone in ...
3 votes
1 answer
2k views

Automatic Weights Different on one side than the other

see title Whenever I use automatic weights on my model it always has one side different than the other on legs, feet, arms, and hands. The topology is exactly the same on both sides and I've already ...
0 votes
1 answer
2k views

Is there a way to delete bones that don't have any weight assigned to them?

I'm trying to rig a model, but the model has upwards of 500 bones and many don't have any weight to them. I was wondering if there was a way to delete bones that aren't weighted to the mesh.
3 votes
1 answer
80 views

How to create a gradient in weight paint in the middle of the plane?

How to create a gradient in weight paint in the middle of the plane?
0 votes
1 answer
264 views

Is there a way to weight paint such that falloff only affects a contiguous mesh?

I am attempting to weight paint a rig whose mesh is made of many loose parts. (I am attempting to import it into a game, and for whatever reason, separating the mesh and parenting the individual loose ...
0 votes
2 answers
812 views

Assign automatic weights *only* to a specific vertex group?

I might be asking this question wrong, because I've searched around without any luck. Basically, I want to automatically weight a specific vertex group to a specific set of bones. In my model, I've ...
1 vote
1 answer
54 views

How Do I transfer Weight without Double transformation?

I cannot find anything on google or elsewhere that addresses the issues I'm looking for but what I want to achieve is to project both of the armature characters by moving the bone control and changing ...
1 vote
1 answer
32 views

I cannot weight paint anything at all

So I was using blender, when I accidentally clicked on Factory reset. I think I could've messed something up, because I'm sure after I did that that's when my problem first appeared: now I can't ...
0 votes
1 answer
249 views

Some vertices aren't visible when i go to edit mode from weight paint mode

When I am in weight paint mode and I want to create a vertex mask. I click tab and some of the mesh does not show the vertices. I can hit alt-h to unhide but when i go back to weight paint mode and ...

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