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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 Constraint Copy Scale on multiple bones in chain bug?

I'm trying to make a chain of 8 parented bones stretch on the y axis using the copy scale constraint and a separate controller bone, but using it with more than two bones causes all the parented bones ...
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35 views

My armature is not connected with bones

I follow every Step which given in tutorial, but my armature is not connected with bone. After creating armature and bone, I tried to move my bone and armature in pose mode, but it's not working.
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21 views

IK constraint causes crazy global rotation

I was following a rigging tutorial (first minutes of third video) on a simple model I made earlier. But when I add an IK constraint on the bone shin.L to have the bone foot_IK.L become an IK ...
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32 views

Weight Painting Dragging pieces of mesh with value of 0

so I am trying to put a bone on a rope on the well that I made so that I can make it swing back and forth, but I cant seem to get my weight painting to work. My rope has a value of 0 all out except ...
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46 views

Getting hair/bones to collide with objects

I've got a couple of bones that serve to control hair on my model, and I'd like to have those bones react properly to gravity and collisions with solid objects. I've managed to get them reacting to ...
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1answer
28 views

Incorrect IK behaviours

I am rigging a robot for some personal training, and I got into a very weird issue while rigging the legs. Here are my two foots, both are parented to the right bones, rigged to their respective ...
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20 views

How to set the F-curve that defines the bone’s Y position to a reasonable range

I'm trying to drive the control bones of the armature through the shapekeys using the method explained here,that's basically something like this : Add a driver to the bone’s rotation in Pose Mode (...
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1answer
18 views

Rotating both hands downwards

I found my answer some days ago but I forgot how to reproduce it again, my character is in T-pose, and in the final Idle pose both of his hands must be down near his legs. I tried rotating around ...
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79 views

Rig with sticky feet and hands, how do I create arm swings? (ex: playing tennis)

I've been using this tutorial ( https://www.youtube.com/watch?v=Q9f-WVs3ghI ) to create sticky feet and hands for my character rig. Sticky feet I've noticed is pretty standard for character rigging ...
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23 views

Bendy bones not cooperating

just why!!? I was trying to make bendy bones on my model, and first of all when I tried to set it with automatic weights, it said it had failed. I have no idea why. So I had to do it manually. After ...
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1answer
18 views

Made the leg IK bone, tried to attach the upper leg bone to the pelvis but after attaching it, the body rotates a little bit

I'm relatively new at rigging in Blender, and I tried to rig a humanoid model that I made. Everything went fine, but after finishing the leg IK bone, I tried to attach the upper leg bone to the lower ...
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25 views

How to join sword with pre-existing mesh and armature?

I want to say first that I've tried to find the answer to this 4-5 different times in different places, and I'm pretty desperate at this point because once I solve this I can move forward with a game ...
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33 views

Motion tracking empty track, armature

I would like to ask if I can rotate only one edge of a bone by parenting it to an empty track exported from a motion tacking video. Is this possible? Thank you very much
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244 views

Simple Inverse Kinematics for a slider?

I tried recreating something like this: https://www.instagram.com/p/Bk1tq1DgMRV/?taken-by=flvio.cc The head can move on the x and y axis. The model itself is done, but I just want to move the head ...
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22 views

How can I copy object keyframes to a bone?

Here is a video that I made for better understanding: https://www.youtube.com/watch?v=0zIEXf2Enzw If I try doing this in the dope sheet action editor then my bone keyframe works correctly but the ...
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1answer
72 views

Pull target not working

My pull target isn't working properly. I was expecting my lower leg pull target to be able to control the position of my knee on the x-axis, however it only controls the rotation of the leg bones...I'...
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64 views

Python API: How to calculate the head and tail positions for Bones from matrix?

So I think this question has been asked on this exchange at least once before. But since it hasn't gotten a response in more than one year and six months, hopefully it's fair to ask again. I am ...
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124 views

Attach swords to mesh/skeleton for exporting as FBX

Is it possible to join a separate sword like the one in the picture to a preexisting humanoid mesh. Then have that sword be linked to the wrist bone with a bone in the handle and have the sword be ...
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1answer
99 views

Rigging and Bone Weighting: Ignore Y Rotation (Twisting), Only Follow X & Z Rotation (Bending)

Is there a way to rig/weight bones such that the mesh doesn't twist along with the bone when rotating it on its Y-axis, and only deforms when the bone rotates on its X and Z axes? In other words, the ...
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54 views

Make a change to pose through all frames

I started animating before even considering the hand pose of my model, and now, when my character runs, he looks like a karate chopping maniac. I would hate to have to start reanimating from the ...
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74 views

How do I rig loose teeth to a jaw bone?

I am new to rigging and i'm trying to get a pair of teeth to follow a lower jaw bone correctly. Any help? I tried using the same bone. I messed with the weights and didn't get anywhere. They are part ...
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1answer
35 views

Bones moving some vertex groups wrong

I have a rigged character as you can see below It seems ok in T-Pose, but when I try to move his feet, I get into something odd: All of the vertexes are in the same object, the shoes and the ropes ...
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1answer
156 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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22 views

What are these three set of quaternion of a bone?

I need to find global location of bone. I found three set of quaternion of a bone. I am not sure what they are.... ...
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1answer
105 views

Rigging a Wheel to Turn Corners: Drivers vs. Bones

The tutorials I've found show how to rig a wheel to roll automatically, in one direction (X or Y), in relation to the location of an empty or bone. I've managed to get the wheel rotation to work along ...
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1answer
129 views

How to get a bone’s Pose Mode transform matrix

With my script I want to export these values for bones: I have tried using PoseBone.matrix_basis but I got incorrect values. For instance the expected quaternion ...
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2answers
58 views

armature deforms horribly

I've been working for a bit on my 3d character in blender and have finished making a Mesh and The Character itself. But once I apply my armature to my character with automatic weights it get's messed ...
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35 views

Adding bones to an armature, and preserving their vertex groups/weights

Let's say I have "Model 1" and "Model 2". Model 2 has a near-identical armature to Model 1 (almost every bone has the same name), but Model 2's armature has a few different bones that I wish to ...
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63 views

How to get rest pose bone matrix relative to parent?

I would need something like "matrix_basis" in the PoseBone class, but this is for pose bone not rest. What is the recommended method to get the matrix for bone relative to its parent ? In the bone ...
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1answer
15 views

How to make a bone extremity automaticly reach another bone extremity

I'm looking for an automated way to make the edge of a bone going at the location of the edge of the bone connected to it. I can do it manually but it's a process I have to repeat a lot. I want to ...
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64 views

Select a bone from dope sheet

Is it possible do select a bone directly from the dope sheet? For example, i want to select only the bones that have pose in a given keyframe. Thanks!
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70 views

Spline IK modifie by a Curve modifier with involuntary rotation

I'm new with Blender and I love it :) But I have some problems with « SplineIK » and « Curve modifier ». I need to animate many fish swimming in a circle and import it in Unity 3D. So I want an ...
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101 views

Joining Bones Without Affecting the Weights?

Long story short I just wanted to rig some eyebrows and join the brow rig with the rest of the armature. How can I go about doing that without affecting the current weights?
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30 views

Problems with connecting bones to mesh

Having this issue with combining bones to the mesh. Just set parent to the armature with automatic weights. Can someone tell me why those parts aren't connected to the mesh?
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58 views

Transfer bone animation from static root to moving root

I have a swordman animation where the character (root matches hip position) is a separate object from the actual sword (root stays in place and swords moves) and I want to put the sword bone in the ...
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1answer
129 views

Why Does My Mesh Move When Attaching Armature?

I have a mesh and I have an armature that I placed within the mesh. I select the mesh, I select the armature whilst holding shift, then I do a Ctrl+P to attach the armature. I click Armature Deform ...
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How can I transfer a camera animation to a single bone in an armature?

I have a camera with an animation that came from tracking a video (this animation only consists of rotations). I need to transfer its keyframes to a specific bone(placed in the same position of the ...
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2answers
47 views

How can I uniformly modify a pipe with coding?

I have a plain pipe with a center-line. I need to gradually decrease its diameter towards the end (to create a taper). I've been told that I should use some codes to scale the bones automatically. I ...
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33 views

Rigging. Rotating limbs causes pinching

I made this 3D model with Fuse. When I rotate any limb it looks really broken This is what happens when I rotate the bone: Could anyone help me with fixing this please?
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1answer
129 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
81 views

Can a curve be a parent of a bone?

I would like to control multiple bones with a bezier curve but I don't want them to follow the path of the curve. I want the heads of the bones to follow the curve without rotation. Is it possible ? ...
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13 views

“Bone Heat Weight, failed to find solution for one or more bones” [duplicate]

my mesh and bones are not connecting like i need them. i keep getting this message "Bone Heat Weight, failed to find solution for one or more bones" i have partly tried to manually weight the mesh, i ...
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40 views

Problem Parenting bones

I cannot manage to parent one bone to another I made 2 bones, and when I click on one of them in edit mode the list where you would set a bone's parent is empty.
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7 views

Everything is parented correctly but still rig is acting odd when global control is rotated in x axis, I don't understand?

In the spine there are bones that control IK conection in the spine and these IK bones are connected to the control bones. and then everything is parented perfectly. But when rotate it gives issue, in ...
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1answer
82 views

Problems animating bones-paper plane

After practicing sculpture, I decided to get into animation and run into a problem. I started practicing animation, but I have a problem. I chose the bones for this exercise. The exercise was to make ...
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1answer
261 views

How do you access and set a specific bone animation fcurve in python ? e.g. set pinky02_L z rotation = 8 degrees

I want to access the keyframes for a specific bone in animation_data.action, just so I can reset them to a default value. My main problem is I dont know how to just access a specific bone. The ...
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23 views

How to change rest pose, but save the old rest pose in case need to revert later?

I know how to apply a pose as the new rest pose. But I would also like to save the old rest pose in case I need to revert back to it later. Is this possible? I've tried saving the old rest pose in a ...
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1answer
43 views

Why are my bones bendy? Rigging

I also figured out the reason it didn't work in the first place, I didn't name the bones and vertexes the same name. I had an issue when my mesh was not moving with my bones, I've managed to fix it ...
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88 views

Imported model have Bones that are straight lines

I imported a Collada file of an Eevee but it's has all of the armature but the bones are just dotted lines unlike the bones that i created can you help me. It's making it hard to animate. i tried ...
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1answer
68 views

Rigid Connection of Bones

This crank linkage works, except I need to constrain the larger bone to the bone labeled "crank" so they behave as a solid link. When I add rigging to the tail of the larger bone, the larger bone is ...