Questions tagged [bones]

Bones are the individual sections of an armature that are used to deform the mesh. Bones act like other objects (they have properties and can have constraints) but are invisible in the render.

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Bone rotation gone wrong on mocap!

I really need you guys help. Well, I have this ugly mocap: And like all mocap, need my rig to follow it. But the hand rotation is screwing up, no matter what I do. Seems like the hand rotation ...
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24 views

Finger Isn't Flexing

OK, I am new to rigging, so hopefully this is an easy question to answer. I've got a finger rig, which I made by following a book, to be specific, the Second Edition of Oliver Villar's book, Learning ...
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Wacky IK arm Movement

I have an arm rig shown below. C stands for control, and D stands for deform. I'm having a problem where when I try to move C_Hand in order to move the forearm, it does move, but it spins around ...
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How to recalculate automatic weights for single bones?

After I edited an already weighted model and its armature, the pose mode doesn't grab the limbs the right way anymore. Is there a way to recalculate weights for single bones? Because I already edited ...
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195 views

How to make object scale at specific point on Z axis based on bone?

So, I'm working on a rig and I hope to get a mouth rig working. Behind the mouth is a plane which I've textured red to act as the inside of the character's mouth. Problem is, that while it might be ...
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13 views

Imported rigged character into unity

i am new to blender ,i have imported a 3D rigged character into unity from blender i used rigify. but when i import .blend file into unity there is alot of bones in the hierarchy window MCH,ORG,DEF,...
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How to rig a vertex on one object to vertex on another one?

Not talking about "full on" object to object parenting, just that I have a separate set of objects for hair and I want it to move correctly along the underlying mesh so it won't "go through it" when ...
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Changing character after animation

I have a question, I am currently creating a game in unity and creating the character in blender. I am having some trouble when weight painting the character (just small stuff, nothing really big). ...
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10 views

Bone moves whole mesh instead of designated area

I have a simple stick figure, all bones work perfectly except the left leg. It moves the whole entire mesh as displayed below.[ and when I rotate just the bone, this happens. I need Immediate help as ...
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176 views

Why does my model duplicate itself in pose mode

Both legs are duplicated when I try to move them in pose mode why? There's no duplication, in edit mode.
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1k views

Editing a rigged mesh (MakeHuman > Blender > Unity)

I'm trying to use this program called MakeHuman which creates a rigged mesh for you, but I am trying to edit the mesh in Blender before using it in Unity. There are so many layers and complexity to ...
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1answer
77 views

Everything looks fine in edit mode, but distorted in object mode

Disabling modifier in viewport does the thing, but I want to animate it, which isn't possible with the armature disabled (see this clip). I look to some posts with the same issue: https://...
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72 views

Bone display as Stick change in Blender 2.8?

I've run Blender 2.8 official version on Mac from the day them release. When I noticed Stick bone seems different from previous. Then I try to make them look as same as 2.79 but I found nothing. Is ...
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Rotate bones around local axis using RX by default

If I select a bone in pose mode, press R and X the bone rotates around the global X axis. To rotate the bone around the local axis I need to press X two times. However this is very inconvenient (...
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123 views

Rigging problem with IK: why do the bones turn around?

it's my first time doing this and I have no idea what to do. I have seen a lot of youtube tutorials and at some point my results differ from the video even if I followed it exactly. As you can see in ...
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1answer
27 views

Can't select (Most) of my armature

So I have an interesting situation I have been unable to find an answer for anywhere. I recently started working on a character for an animation. I am ready to start animating, but for some strange ...
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1answer
26 views

rigging problem connecting two bones at the tail

how can I connect the tail of a bone to another tail of a bone?
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2answers
794 views

Set parent with automatic weight error

So I have this Blender model:- I tried using ctrl P -> set parent with automatic weight. It shows an error code saying: "bone heat weighting: failed to find solution for one or more bones" What ...
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1answer
231 views

Rig not aligned with the model

I created a character model and fully rigged it. I used the mirror modifier during modeling and the rig is (when in edit mode) exactly the same on both left and right. However, when I go to pose mode, ...
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1answer
353 views

Trying to add muscle to a 3d skeleton model

I have a 3d model of a atlasaurus that I imported to blender as a .obj file and it comes up, but I do not know how to add muscle to the existing static skeleton. I have searched online and all of the ...
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2answers
27 views

Where did my bones go?

I know they're still there, I can see them in the object hierarchy window, I can add and remove vertices to their component groups, but I cannot get them to display in the viewport. What did I do to ...
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1answer
377 views

Move one pose bone to the location of another in the same armature

Could someone help me get out of the starting blocks I suspect I'm making this harder than it needs to be. with python Lets say in pose mode I have bone A at location (0.00,0.00,2.00) world space ...
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3answers
297 views

Unable to select bones in pose mode (Blender 2.8)

This question has been asked a few times in various forms here, but none of the solutions work for me. I have included a short video showing the issue, where I highlight everything. https://youtu.be/...
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1answer
19 views

Bones Deforming Mesh that it's attached to

I'm very new to modeling, and have no backround on it either! I am having some trouble with bones and meshes. Basically, I have the bones to be the parent of the mesh, however when I attempt to move ...
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23 views

How can I downgrade the number of elements in a mesh so Blender won't freeze so much? + How to erase flying bits in the stl?

I have the following stl. I need to fill the hollow ribs and holes in them, join the cartilage to the bone and erase all those little fragments of other stuff that don't belong to the thorax, and ...
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orienting bone in edit mode to custom transform widget

I'm working on a project to animate origami. This requires aligning bones perpendicular to edge normals. My workflow is to create a custom widget from the edge normal and use that to orient a new bone....
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19 views

Can bones in IK chains be also moved independently?

I have the following IK chain: Bone 3 is the IK bone and 4 is the IK target. Clearly, when 4 is moved the entire chain follows it. Which leads to the problem that it is impossible to move the bones ...
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1answer
469 views

Rigify vertex groups mesh deform error

So I imported a model into Blender that already has vertex groups and a skeleton. I then imported a metarig and made it the exact same shape as the imported skeleton. I applied the armature modifier ...
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9 views

How is the local bone orientation calculated based on head and tail position

I went through the Blender's source code, but wasn't able to find how the local orientation of each bone is calculated based on its the head and tail (I thought I should specify that I'm talking about ...
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1answer
33 views

2.8 Bone editing and pose problems, cant select single bones

I´ve built a rig in 2.8, however when I try to select a single bone in edit or pose mode, i can´t. All i can do, is doubleclick the first bone i created to cycle through the other bones. I have tried ...
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2answers
1k views

Armature with automatic weights problem. Object not following the bone properly

I tried to parent bones with automatic weights and 1 part of my model is working properly(the green one), while other is kinda "broken"(the red one) when I try to move bones. I don't know if that's ...
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17 views

Armature deforming in strange way

I am very new to Blender so this might be a dumb question, but here goes. I am creating this character for a game (very simple character) and when weight painting the arms it bends in a strange way (...
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1answer
256 views

Mesh being deformed in a weird way by armature

I made a low poly mesh by using skin modifier on a skeleton kind of shape made out from extruding vertex from a single point. After that, I applied ...
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1answer
11 views

Rigging a skeleton hand with separated bones

I modeled a skeleton hand with each bone separated, but I can't figure out how to rig it. I tried joining the fingers together and all of the bones, I tried to rig each bone separately, watched ...
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15 views

Set Bone Position and Rotation to global world coordinates via Python script

I have a set of bone positions and rotations exported from Unity and I want to create keyframes with these positions and rotations for the bones of my rig in Blender via a Python script. Unfortunately ...
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1answer
251 views

Armature: Bones deforming mesh objects in GLTF viewer

Hello fellow BlendMasters! I am trying to make a simple sliding door animation for my GLTF viewer and keep running into this problem: When i parent my objects (doors) with the separate bones (ctrl + ...
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1answer
35 views

Automatic Forearm twist?

I'm trying to setup a rig that allows IK/FK (via influence property), where the forearm twist joint automatically alleviates part of the twist of the hand. Not necessarily as part of the IK - just ...
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2answers
425 views

Global rotation of child bone?

How can I get the global rotation of a bone from the Blender editor? I want to constrain a bone to have only that rotation, regardless of its parent. I want it in pose mode.
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2answers
10 views

Mixamo missing a parent or master bone

I downloaded an animation from mixamo and made a repeating action of the walk cycle. But I can't find a master bone or parent bone to move the model along a path. It is just walking in place. When I ...
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2answers
3k views

How to make a bone NOT inherit location from parent? Or how to position bone at world location?

Lets say I have two bones, A "Root" bone and a "Child" bone, the "Child" bone has the "Root" bone set as its parent. How can I make it keep its world position while the parent moves? Now, the reason ...
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1answer
71 views

Delete/unlink bones in rigify

I'm trying to delete some bones that are included by default when you rig a model with rigify. The bones themslves are not used for anything and I'd like to delete them as they are causing problems ...
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23 views

problem with face rig

i have problem with face rig i think the bone extend there influence to other bone ,the eyes is moving out the head when i rotate the head bone i am not sure why this is happening this is the file ...
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1answer
97 views

Animating bones causes odd deformation

I pose my hand like this. I go through and LocRot and the second I move off the keyframe it deforms into this.
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1answer
470 views

Damped Track constraint on bone lags

So basically if you use a Damped Track constraint + Limit Distance constraint to move a bone with another one there is these strange bugs where the mesh doesn't move with it. Especially when creating ...
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2answers
17 views

2D Animated Face, Is posible to drive the x-uv offset on Blender

So I wanted for a lot of time to do a model with an animated texture by face for a game and I stumbled with this video: 2D Eyes Maya to UE4 On it, they achieved the thing I'm searching for in Maya, ...
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1answer
3k views

How to add palm leaves to animated sapling tree

I'm trying to use the Sapling add-on to create and animate a palm tree with a certain large palm leaf. Creating the base palm tree is pretty straightforward after using the downward curves for the ...
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9 views

Automatic Collar Rotation Without IK Feedback?

I want to automatically lift the collar bone on my character when the animator lifts the shoulder. As an animator, I always forget to adjust the collar when I work with the arm bones. So I was able to ...
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1answer
416 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 ...
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2answers
27 views

Dimensions vs Scale without affecting animation

Before the issue: For the past few weeks I've been doing a few animations on a Character with an Armature, with a pretty good certainty that I had the scale at 1. Turns out, somehow in the middle ...
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1answer
3k views

How to put all armature bones under 1 root bone

i have downloaded many arm rigs for my first person project in UE4. UE4 only allows for one root bone when importing. All of the arm rigs i have downloaded have many bones, rather than being children ...