Questions tagged [armature]

An armature is a system of bones used for animating or deforming a mesh.

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7
votes
1answer
7k views

How to get an armature by name in Python and get access to its bones?

I want to retrieve an armature by name and access its bones. However, this doesn't work: armature = bpy.data.objects["rig"] bones = armature.bones It gives the ...
7
votes
2answers
29k views

how to copy a rig to another mesh

I have two meshes in their own blend files, ones is a very muscular male and another one is a curvy female. I'm working on the rigging and animation of the female and I've managed to make some simple ...
6
votes
1answer
4k views

Why do Rigify controls no longer move my figure easily?

Why do the Rigify controls separate from the body parts of my figure and also barely move my figure until I increase the value of the FK / IK Switch setting in Rig Main Properties? I'm finding it's ...
6
votes
1answer
10k views

Can't flip pose properly

I have a problem with flipping pose, I try to do the same thing as in this tutorial. On 3:25, he flips the pose by Ctrl+C, Ctrl+Shift+V. In my case, it only flips some rotations, but legs stay in the ...
5
votes
2answers
7k views

Separate/convert bones into their own armature

I have the following setup: Unfortunately this does not work in WorldViz. Instead I need every bone to have its own armature system. This results in an cascade of armature systems. But I would like ...
3
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2answers
3k views

How to copy position, size from one armature to another?

I have a armature A and made Copy armature B and C; I went to editmode on B and moved arms bones a little down and made head bone bigger; How to I apply same changes on C without manually moving the ...
7
votes
1answer
8k views

Weird Armature Deformation

When I apply an armature to a character (with automatic weight), my character gets a really weird bend on any parts of its body. I have rigged a character before, so I don't know how it went wrong. I'...
7
votes
1answer
8k views

Bones moving wrong part of mesh?

I have an armature set up, but the bones aren't moving the mesh properly The mesh and armature: The vertex group of the bone I am going to move: As you can see, the circled region doesn't belong to ...
4
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2answers
25k views

How to fix 'Modifier is disabled, skipping apply' error?

I've tried to answer this question: Removing Armature and Keeping pose and apply the Armature Modifier, when suddenly the 'Modifier is disabled, skipping apply' error window appeared. How to fix it, ...
4
votes
1answer
3k views

How to enable animation of linked rigged object

I made a simple stickman with joints. Works fine. Saved it as stickman.blend. I grouped CTRL+G the stickman+armature. I made a new scene.blend file. I linked the group from the stickman with ctrl+alt+...
4
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1answer
9k views

Newbie Question: in Blender 2.8 Adding Armature options missing?

I did try searching for this but didn't find anything. I've been following some tutorials for Rigging and have seen a lot of videos showing Armature Templates available from the Armature sub option ...
3
votes
1answer
2k views

How to avoid pinching when constructing joint topology?

I am making a model for a friend. The arms are giving me trouble. Specifically the arm sockets. What's giving me trouble is that the arms are very close to the head, unlike the human body, leaving ...
3
votes
1answer
3k views

Global Pose/Rotation of a bone

Is it possible to determine the pose/rotation of a bone depending on the parent bones (with Python), in the best case in euler angles. For example, I have a model of a human and the arm is rotated ...
2
votes
1answer
501 views

Convert particles to animated mesh including existing armature animation

The situation I am using a boid physics particle system in Blender 2.82. I am rendering the particles using an object that has armature animation. Following a process similar to what is described in ...
2
votes
1answer
515 views

Cycles is not rendering armature object

I have this stick figure kind of guy doing a dance. He is clearly there in solid mode and texture mode: But when I go into render mode or just try to render an image, it's gone: I can't for the life ...
2
votes
2answers
6k views

Why do some bones in my armature disappear when I go into Edit mode?

I made a rig for a model of a dragon and for some reason, when I go into Edit Mode, some of the bones disappear: I don't know if this is relevant or not, but I created the rig using the standard ...
2
votes
1answer
746 views

Armature moving points for no apparent reason

I am experiencing some odd behaviour in my rig where vertices with 0 weight are moving when they shouldn't be. I have tried painting different weight onto those ...
1
vote
1answer
13k views

How do you make clothes move along with model

how do you make clothes move along with your model? Do you rig the model first and then parent it to the body of the character then click cloth simulation? I am a little bit confused with the process. ...
1
vote
1answer
3k views

How to lock elbow rotation (forward kinematics)

Before answering this question please consider that an 'answer' involving IK bone constraints should go in comments. In this question I am only interested in forward kinematics. Many humanoid models ...
1
vote
1answer
3k views

IK + Pole Target {Rig} is =//= Twisting my Characters Mesh

When i apply this rig i have here to my test model. With automatic weights. It totally twists my model. Any clue whats causing this? I tried to mess with the poles rotation. And i tried to apply ...
1
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2answers
1k views

Armature keeps spinning around root bone in pose mode when I try to move anything

I was following a tutorial on rigging (was pretty much done) and now my entire model keeps spinning around the main root bone if I try to move any bone at all. (first picture is where it originally ...
0
votes
1answer
762 views

Moving a bone within weighted mesh?

I have a skeleton rig and mesh configured in blender that I have imported from 3rd party application. The rig and mesh are already working together correctly in blender. I would like to adjust the ...
0
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1answer
3k views

A mesh “jumps” forward after parenting to an armature

When I parent mesh to an armature (automatic weights), the mesh "jumps" forward a bit. If I select armature and switch to edit mode it "jumps" backward a bit. Why is it happening and how can I fix ...
0
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1answer
2k views

How to attach rigged cloth with a rigged character.?

Guys i am in a big problem and don't know how to do that.i want to attach rigged skirt/cloth with my rigged character i don't wan't to lost cloth bones.
15
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2answers
28k views

How do I parent another object only to a specific bone?

I have hands model which I rigged, now I want the gun to be parented to the left hand, where the problem occurs as left hand is the same object with the right hand, so by parenting the gun to the bone,...
12
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3answers
5k views

Animate MakeHuman character with BVH using Three.js

I'm trying to animate a mesh via it's skeleton on a webpage using a BVH. Here's the overall process of what I'm trying to do: Make a character using MakeHuman and export (mhx format? seems to work ...
6
votes
8answers
27k views

My Rig Changes Position in Edit/Object Mode?

I have a rig, and when I select the Armature or the Model, and go to edit mode, they move position. They just go to the left, and they come back in object mode.
3
votes
1answer
2k views

Blender Python - exporting bone matrices for animation relative to parent

I am making a homegrown 3d engine for my projects. So far, I am able to export: mesh materials Node hierarchy Each node in my engine has it own mesh(optional), material(optional) and a PARENT-...
12
votes
3answers
4k views

Controlling armature through python

I need to control an armature using Python so that I can animate a biped model using data from a text file. I've been using this tutorial and some other sources to try and do so, but I can never see ...
3
votes
2answers
413 views

animatable soft transition between sphere and cylinder

I'm searching for a good way to animate a molecule-like structure with nice transitions between the spheres and the cylinders. So far, I'm using a skin modifier for the structure and a particle system ...
3
votes
1answer
4k views

How to make a clothing mesh follow an arm mesh?

I'm trying to model, rig and animate simple FPS hands (hands only, no body). I have the guns all set up and animated and I just have to do these hands. I've rigged it and edited the weights a bit, ...
9
votes
1answer
4k views

How can a mechanical linkage with a closed loop be rigged?

I'm trying to rig a model of a Peaucellier-Lipkin mechanical linkage. While inverse kinematics for a chain of bones in the armature works well for some of the linkage, I don't see how to create the ...
6
votes
1answer
24k views

Bones import incorrectly from FBX file

I tried importing UE4's marketplace skeleton template into blender. But the bones import with incorrect rotation and size as shown bellow. The weights seem to be working, I can pose the character. ...
5
votes
2answers
2k views

How can a bone's tail be changed by a script?

I want to calculate a rotation matrix from two vectors, in order to check the steps are correct I have setup 3 armatures. A reference bone (arm_org), One that is directly rotated by applying a ...
4
votes
2answers
1k views

How to convert curve to armature

I have a bezier curve that I created in Inkscape and I want to convert it to an armature, where ecah node fo the curve is connected by a bone. See example below: Is there a way to do this in Blender ...
4
votes
2answers
2k views

Mass replace names in vertex groups

I have a character that is setup with a rig and vertex groups. I want to switch to using Rigify. Rigify has the same bones as the current setup, but different names. To save time weight painting, I ...
3
votes
1answer
3k views

Set bone constraints via python API

Is there any way to add bone constraint through python api? For example, I have two armatures: ...
3
votes
1answer
619 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 ...
2
votes
3answers
2k views

Reset Rotation , Translation and Scale of bones through Script

Like we do it by using shortcuts ALT + R to reset all rotations, ALT + G to reset all translations, ALT + S to reset all scales. Is there a proper way to clear the pose through script. Below is my ...
2
votes
1answer
78 views

Setup bones on cloth sim so that you can transfer it to Unity via FBX export

So, I would like to have this happen with a script for each vertice of an object: I just couldn't to make it work :/ Except only some parts of it (scripts found from everywhere). Building blocks: Add ...
1
vote
1answer
13k views

Blending bone weights

This question is related with another one, posted few days ago, dealing with Shoulder deformation. As the gif shows, to create a natural rotation of the upper arm the twisting has to be distributed ...
1
vote
1answer
415 views

Python: Duplicating a group with animation

I have a group. The first object is a mesh and the second is an armature with multiple actions that controls the mesh. How can I duplicate this group with python in a ...
8
votes
1answer
2k views

What constitutes a “context” in Pose mode?

I have an armature associated with a mesh. In Pose Mode I have oriented the armature the way I want, so I press A to select the entire armature and then I press I ...
6
votes
1answer
897 views

BVH Export/Import, Armature different when re-imported

If I export an armature as bvh and then import it back, the imported armature doesn't look anything like the original. Could anyone please have a look and advise?, blend file
5
votes
1answer
1k views

Ways to have one mesh control another?

I'm working with Cloth Simulations brought in from another program (Marvelous Designer) via .mdd, applied with the Mesh Cache modifier. No changes can be made to this mesh in Blender without breaking ...
5
votes
1answer
2k views

How to create a circular armature?

let's say I wanted to rig and animate a torus. — is it possible to have a circular armature? from what I can tell, this is not possible. so I thought maybe it's an idea to add a driver to the tail ...
4
votes
1answer
2k views

Import a bvh file and export it to be the same

I have a bvh file found here and I want to import it to blender, then export it again so that both the original (imported) and exported bvh files are identical. I'm not sure what options I should ...
4
votes
2answers
4k views

How do I add extra bones to rigify armature?

I am using rigify on my blender character, but I added some extra bones because my character has wings. I'm trying to make the extra bone I added become one with the rigify add-on. How do I go about ...
3
votes
1answer
9k views

Blender assign armature to mesh: “bone heat weighting failed to find solution for one or more bones”

I get this error working with Blender while I try to assigning armature's bones to an human mesh.
3
votes
1answer
2k views

One eye of model doesn't follow head?

One eye of model doesn't follow head? I have a bit of a problem with a "4 Piece Model", "Head, Body, Eyes, Hair, and Teeth". I hope someone can be of assistance while the "Eye's" appear as a pair and ...