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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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Inverse kinematics without a target, or by targeting to self

I have a complicated rig where the end bone in an IK chain needs to exactly copy the transforms of a separate control bone, so i can't have a target bone because that would mess up the "copy ...
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2answers
361 views

How to IK Rig a human arm with external controllers?

So in the above image: Symbol Description S - Shoulder U - Upper Arm L - Lower Arm W - Wrist F - Fingers Now, I have to IK-rig it from upper arm to fingers and I was ...
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1answer
61 views

Exporting Animation without IK targets, poles bones and other controls

I've created a character that has been rigged with IKs constraints for legs and arms and some other custom controls implemented through other constraints applied on control bones (like a copy rotation ...
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changing the pivot point of a bone with “damped track” constraint

I am rigging a gun and I have a bone in the barrel of the gun that has the damped track constraint to follow a target bone. The thing is i don't want the bone to pivot from the back of the barrel, i ...
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1answer
25 views

Bone heat Weighting Failed while Rigging

I've done a lot of research into the problem, but I'm a blender noob. I have Removed Doubles Recalculated Normals Removed All Vertex Groups Removed Subsurface Modifier Added the Decimate Planar ...
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1answer
18 views

Why does parented to bone object copy location of tail instead of the head?

If you parent any object to the bone in pose mode ALT+P and then clear its origin (ALT+G, ALT+O), object moves to the Tail, which is a bit strange, because Head is the origin of bone's transformation. ...
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1answer
102 views

2D animation rig

I’m doing a very basic 2D cut out animation with a simple rig attached to it. But the bones are sticking to my planes in irrational ways (for example the head bone seems to move other planes besides ...
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1answer
48 views

Bone sharing weights with another bone?

When working on a character rig (First time) I attempted to go in and fix it's weights. Apparently afterwards I gave the, "Neck" bone of our character the weights of the, "Chest" bone. No matter as I ...
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1answer
60 views

Bone rotation behaviour based on hierarchy of individual bone axis like Maya

There's a feature in Maya which I don't know if Blender can do regarding bones. In Maya you can select a Parent Joint (or bone in Blender), and afterwards if you select every child joint (bone) in ...
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91 views

Using Blender's Python API to get parent bone names

I’m trying to write a script that will change the name of a parent bone. However digging for data I’m not getting what I suspected to get. I realize that to change data I will have to do it through ...
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3answers
87 views

How do I achieve more control over Fairy Wing Meshes?

I've got a set of fairy wings I'm making for some 3D animation software, and I'm trying to make them flexible - i.e. so that they can be rolled and curled, as well as flapping. While I've had some ...
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resetting all “stretch to” constrained bones at once

Whenever you edit the position of a bone with the stretch to constraint, it ends up causing the bone to be out of position in pose mode. To fix this theres a "reset" button in the constraint window. I ...
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1answer
42 views

Riggning issue: The arms of my character do not move properly

I have a problem with rigging with a model of a nazi soldier. I set the weights properly. If I drag the bone up, the problems begin to happen, it's like some red zones aren't calculated by Blender, ...
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Rotating leg using bone doesn't rotate leg armor (Merge static mesh with skeletal) [duplicate]

The character consists of 1 big mesh (I joined armor with the body using CTRL+J), but rotating bone doesn't rotate armor. How can I fix it?
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1answer
219 views

Using Armatures with Grease pencil object

Are there any tutorial or help regarding using armatures with grease pencil object? I found this video on Vimeo by Daniel M. Lara, its great but it does not explain how to go about with armatures.: ...
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2answers
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Rigging mesh with vertex weights: different weights have the same influence

I'm trying to rig a simple plane of few vertices with one bone, such that different vertices would deform with a different amount when moving the bone. I assigned different weights to the vertices, ...
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Blender Motion creation

Is it possible for math function to be created in python, that could be used in the designing of animation? For example using sin or cosine for the motion of the bones . Is this what most animators ...
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1answer
30 views

Why did my IK bone shrink?

I was animating a run cycle and this happened at some point but I can't figure out how or when. Any help?
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1answer
54 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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1answer
34 views

How to move bones with IK?

Hi, does anyone know how I can move the end bone? The bone only rotates or scales depending on the connected checkbox. File here:
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46 views

Blender - Bone heat weighting: failed to find solution for one or more bones

I am using Blender 2.78 and as it seems I am facing the most common problem that can be. I am receiving an error: Bone heat weighting: failed to find solution for one or more bones when i try to ...
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Bones connected but have large gaps in them in Blender

I'm trying to bone map a model in Blender, and my bones are very strangely disconnected from each other, despite being parented correctly. Any pointers?
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1answer
77 views

How to extrude a bone using Blender's Python API?

Assuming that I have selected a bone in the scene, how can I extrude it either from either tail or head and position the new bone somewhere in the space using Blender's Python API? In Edit Mode, I ...
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1answer
25 views

Using weight paint

I have tried some things to make a part move with an armature at a folding line. And it's almost working fine, but due to the mesh it looks a little bit weird when I move one bone upwards in the Pose ...
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29 views

Motion capture movement from 3d model animation

I have a set of animations of a model with a complex rig that I would like to copy to another model that is unrigged.The original model has more than 250 bones in total and it would take a really long ...
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63 views

How to convert pose bone's global position to bone's location or bone's matrix?

When I try to set pose bone's head in keyframe, I knew that the bone's head is just read only, so I have to convert the bone's head to bone's location or matrix, after searching a lot of information,I ...
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Issues weight painting shirt to IK bones?

Ok, im having an issue with weight painting a shirt onto a body where the shoulder bones/biceps are rotated to compensate for IK bones that have pole targets at -180 degrees. The model is rigged this ...
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1answer
50 views

Adding the ball of foot to a rig

I'm following a tutorial: link, using Blender 2.79, but in my rig I don't have the ball of foot. Since my purpose is to move the body delicately, I wonder if adding a bone for the ball of foot is ...
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1answer
15 views

What should the Roll of each bone be?

I was about to animate a humanoid character after rigging it but encountered an issue when copy and pasting flipped pose in Pose View. When I paste the flipped pose the leg and arm bones basically are ...
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1answer
15 views

Strange rigging problem

I am modelling a gun, and used an armature to manipulate the bullet chain with an IK target at the very end. I used this to manipulate the chain into the desired position, but for some reason a single ...
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1answer
31 views

free editing a rigged character's pose similar to editing bones in edit mode

I have modeled, rigged, and weight painted a base character to build all my other characters from. I'm wondering if there's a way to freely move bones in pose mode the way you can mode bones in edit ...
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What is a bone on most basic level

Is a bone basically just a modified empty object, consisting of two points? How would you define it? Edit: I'm not talking about its extended list of functionality, but just how the object itself is ...
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1answer
19 views

Does 'Inverse Kinematics' override other bone constraints?

Rig is for a quadruped, I have IK applied at second bone, but I want to place a limit on the to the toes, so that they can't go below 0 on the Z axis. Selecting the Limit Location bone constraint ...
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1answer
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Positioning unconnected bones in pose mode using cursor

I'm still learning and I am currently having problems positioning unconnected bones accurately in pose mode when using the 3d cursor. I have one bone positioned correctly and I then need to add a new ...
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1answer
159 views

What are “Leaf” bones? (Collada import question)

I was wondering - there is an option called "Fix Leaf Bones" when importing Collada format. Do you know, what exactly these Leaf bones are? Also, if there is some expert able to tell me what the ...
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1answer
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Part of the armature is not copied and pasted correctly

I would like to copy and paste mesh and (rigify) armature from a blender session to another blender session of even in the same blender 3D window,but part of the armature is not copied and pasted ...
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27 views

Bone rotation does not match Model rotation

can someone tell me how to fix my bone rotations being all skrewed up? preferably with pictures? as you can see here his model hip is all desynced with the bone hip
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1answer
27 views

How to move just one side of bones?

Hello, Can someon helçp with this? I need to move just the left side of the bones , but the right side moves as well, i have no idea how i activated this. I will add the file in the post
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1answer
24 views

Is it possible to add a Child Of modifier without changing position of the child?

Currently, when I add a child-of modifier, the child jumps to the parent's head and rotates. Why is that? And more importantly, can I have blender not do that and keep the bone where and how it was, ...
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how to set up IK bone copying y rotation of target bone

I am setting up wrist IK and trying to get the forearm to copy the y rotation of the hand/ik target. I put a copy y rotation constraint on the forearm directed at its IK target and it works for y only ...
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2answers
102 views

Character rigging: Blender keep offset is not working

I am new to Blender. I have done rigging for the body part of my character and now I am trying to do facial rigging. When I try to keep offset the facial bone to head and I have click on it, it does ...
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23 views

Mirrored mesh parenting help

I was wondering if there is a way to parent a mirrored mesh to different bones, what I mean is I have shoulder shoulderpads on my character that is a mirrored mesh. And what I want is to parent the ...
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1answer
70 views

I can't select a single bone in object mode

I have been trying to attach the hat to the head bone for almost over 3 hours now and i just can't get it to work. When i look up tutorials on youtube their bones are grey and available to click on a ...
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1answer
23 views

When I move the character's body, the movement is like an alien

When I click on a character's body and move it, the movement is like an alien. When I click the bones and move it, the movement is normal. Why thus happen? give me an advice please. You can ...
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1answer
24 views

Objects move when initial pearenting is done

So in the bone constraints tab I want to make a bone_a a child of bone_root and I have to use the Make Child Of constraint in the bone constraints tab because of how my rig is, but I do not want any ...
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1answer
29 views

Model does not move with bones after auto weights are applied

So I followed an animation rigging video on YouTube but how come my mesh doesn’t move with the bones? I’m in pose mode and nothing happens to the mesh but only the bones were moving... been stuck for ...
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56 views

Can't change bone's location in pose mode

I'm trying to use pose mode to move the locations of the breast bones in my model, but the transformation widget isn't even showing. I can scale and rotate bones just fine though, and I don't have ...
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23 views

how to see limit rotation range visual arc

With the IK restraint you can limit rotation and see the range displayed as shown in the attached picture as the red semi circles. How can you visualize those ranges with the "limit rotation" ...
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1answer
25 views

How to show transforms of Child Of or Copy Transforms constraint

I am trying to find a way to make the transforms from a Child Of or Copy Transforms constraint visible. Let's say the bone is in its default position and with the constraint activated changes to a ...
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1answer
36 views

Does anyone know how to fix the eyes while soft body effect is applyed?

Thank you for your time. A problem has occurred with the eyes of my character, after I apply a SoftBody effect sometimes the eyes go out of his head. While the normal walk animation the eyes do ...