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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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Child object moves and rotates upon parenting to bone

I am currently stuck with blender 2.8 (I know that is a beta right now but I remember having the same problem with 2.79 and I finally want to solve this). I am trying to make an object a child of a ...
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Smooth deformation of rigged vertex group

I’ve been trying to rig vertex groups to bones smoothly. As in, trying to have some parts deform more, others less, painting their weights accordingly. The whole vertex group moves as a whole though, ...
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Bone Constraint/ Location rotation issue

Trying to get my model to clench his fist with the location rotation bone constraint however when applied the bone barely rotates at all. Is there something i left out? Blend file
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37 views

Setting TRS on an edit bone? Can an edit bone have a non-unit scale?

My understanding is that the local-to-parent TRS for a bone in the rest pose is determined by the head/tail/roll of its edit bone T is determined by the difference between its head and its parent's ...
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1answer
9 views

Limit bone animation velocity

I'm currently animating a robot arm. For this purpose, I created an armature with IK solver. I've constraint the bone (aka robot joint) transform to match the motion possible with the robot. However, ...
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37 views

Setting fix bone length

How can I fix the length of each bone to 140mm.
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17 views

Changing Influence value on Bone Constraint frame by frame

So i'm new to animating in Blender. And I'm currently having trouble with the 'Child Of' on the Bone Constraint, for some reason the 'Influence' value is not working frame by frame. What I mean by '...
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Why does Copy/Flip Paste bone pose collapse my deform cage mesh?

I'm trying to follow a BlenRig5 tutorial, and all was going well until it asked me to mirror the deform cage mesh, at which point it pastes collapsed on the legs (arms are fine). Any help? I've tried ...
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27 views

Connect tail to fix position

How can I fix the following problem? The second bone most move from left to right and v.s. wen the first bone changed in angle. The tail of the third bone most be a fix position. Best regards Jean ...
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Trouble getting my character to follow a curved path

I seem to be having issues getting my character to follow a curved path I've set up. I've been playing around with it and nothing seems to work properly. Whether I parent the bones in Object Mode to ...
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2answers
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When I parent an object with a bone the object moves its place

I went to the object tab and parented with a bone. but when I did this, the object rotated and moved. what should I do to fix this? (weirdly when the object moves its place the location which is ...
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1answer
36 views

Problem with linking Objects to Bone

So I tried weight painting first then just simply straight "Assigning" bones but either method results in the below picture. As you can see, when I move the model in pose mode the face objects ...
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Bone rotation deformed mesh

I was trying to fix some bones using BlenRig and rotated them in pose mode, but my charater's mesh also deformed. How can I re-apply bones so mesh can look normal again? Hormal mesh After I rotated ...
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Armature vanished, Alt-H not working, etc

I have a model rigged and animated but the armature is completely invisible and uninteractive. It still seems to be operating as the model animates normally and I can look at all the bone and armature ...
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19 views

Bones warping out of place with inverse kinematics

I've been struggling with this problem for a while now. When I add inverse kinematics to my quadruped animal's front legs and try moving them in posing mode, the entire leg warps out of place and ...
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0answers
10 views

How to select custom wireframed bone as grabbing the face?

Is there a way to select custom wireframed bone as grabbing the face? When I try to select custom bone, it only selects when I click it's edge.
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Getting Alot of Errors when uploading a 3d model in unreal engine

Hello im a beginner in blender and i just been messing around with adding bones to a premade character, Thought i had it right but idk since im getting alot of errors. Just seeing if anyone could help ...
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1answer
26 views

Assign mesh to mesh vertex-group / bone

I have a bus model consisting of a body mesh an some sub meshes. I have assigned the sub meshes to my "body" - bone so that it moves with my body-bone in pose mode: But I want the body mesh to be ...
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1answer
29 views

Character not moving with bones

I modified a character model which I downloaded from somewhere, then added an armature so that I can animate. I started in the lower right area (the foot) , the extruded each bone from there. When ...
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1answer
29 views

Inverse Kinematics Knee

I'm out of options, I have to ask... Why is the knee in the below picture not always pointing to the ik.knee.l bone? I've read this (VERY informative) and I also followed this tutorial... But no luck....
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Automate setup of bone constraints with script? [duplicate]

I have a few hundred bones in an armature that I want to add some constraints in pose mode to make the bones follow anther armature with the same bone structure. To do it all by hand is tedious and I ...
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1answer
52 views

Set the Rotation (in Quaternion WXZY which is calculated by two vectors) of a bone using API 2.7.9

Details of the problem: I already have two vectors A and B (A is converted to B by a certain rotation), and I can now calculate the quaternion of its rotation. Also insert a bone in the blender so ...
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0answers
51 views

Keyframe interpolation results in bouncy feet

I made a very basic test model (Programmer by trade, not artist), I wrote an exporter to export the model, armature and keyframes. Everything was going pretty well until I noticed that the feet of my ...
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1answer
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How To Move Bones Back Into Original Position After Applying Shape Key [duplicate]

i'm trying out bones and rigging and i've run into a little problem. I used 2 bones to move the blender monkey's ear and applied that as a shape key. However, the bones are now in that bent position ...
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1answer
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Driver bone not working

For some odd reason I can't get my driver bone to work. I've followed tutorials, but whenever I move the bone on the Z axis (local) to control whether my eye opens or closes, it doesn't do anything. :-...
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51 views

Automatic Weights Rigging makes model warp horribly on posing

I've used Automatic Weights for rigging humanoid models a lot of times and it worked more or less perfectly. But for this one model, any movement of bones just grabs most of the mesh and deforms it ...
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Problem Appending Armature Animation

So I am animating different exercises for multiple characters and my workflow is to append the armature into the mesh, weight it, then also append the action that I had previously animated resulting ...
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1answer
22 views

Character getting distorted while Parenting to bones

I'm trying to teach myself how to rig for the first time and after finally getting somewhere with it, but my mesh gets distorted when I try to parent it to the bones with automatic weights. I don't ...
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1answer
30 views

bones animation

I'm trying to move eyebrow's, nose or mouth but i can't move them. I've animated that parts but now they don´t follow anything. Can you help me, please? Here is the file And the inicial file
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1answer
28 views

rigging trunk corrupts the mesh

I’m struggling hard with a rig for an elephant trunk. I want the trunk to rise up in the air and trumpet. I tried to increase and decrease the vertices, I’ve tried bendy bones and assigning the bones ...
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1answer
33 views

Rendering resetting bones?

I'm trying to pose a set of bones for a character, but whenever I go to render the scene, all the bones reset. Once I exit out of render mode, the bones are still reset. I thought this had something ...
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0answers
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Bone Armature does not work

I have some issues while adding bones to my figure. Although all parts of the figure are joined together, some parts of the head just stay in the old position while I rotate the head bone. Moreover I ...
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0answers
21 views

creating an adjustable center of rotation for a bone

I want to create an adjustable center of rotation for a rig i have so i created an intermediate control bone between the Root bone and the rig, and a pivot point target bone for it to rotate around. I ...
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Bone radius auto resetting

I have my mesh rigged, and now I'm going back to adjust the radius on the bones with Properties>Data>Display>Envelope mode selected (the only mode that makes that visible?). That works fine, but if I ...
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2answers
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How do I remove weight from a single bone in Blender

How do I remove weight from a single bone in Blender. I tried the eraser tool, but it doesn't get everything. I know I'm supposed to go to vertex groups and set the weight to zero, but I don't know ...
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1answer
74 views

Python script for adding Child Of bone constraint with 'Set Inverse' to multiple bones?

Completely new to scripting and was hoping someone would help me out here. I've imported a rig twice and want to add a "Child Of" bone constraint to each bone in the first rig using the matching bone ...
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0answers
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Bone scale vs vertex scale

The vertices and the bones seem to be working with a different coordinate system. In the image, the bone and vertex at roughly the same height are mis-scaled by a factor of 40. When I export it into ...
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0answers
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Hook or bone with random falloff?

When using Proportional Editing, you have the option for random falloff. You can use a hook or a bone to get a similar effect to proportional editing. Hooks even use the same falloff types as it, ...
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Transfer animation between two armatures that have the same structure and naming conventions but differing rest poses?

I have a skinned armature in a T-pose as its rest pose that is not animated and a second separate armature that has an animation I would like to transfer to the first skinned mesh. The only problem is ...
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2answers
32 views

Twist like SimplerDeform but with bones?

I want to create the same sort of twist that you get from the SimpleDeform modifier, but by using an armature so that I can have more control of it. I want to get at least 360degrees of twist, maybe ...
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1answer
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Blender Armature/Rig exported, without Bones but with Animations (to Unity)

When I export my rig from Blender to Unity the bones under my characters armature vanish. Animations are listed and work as generic. I can't reconfigure the rig, because Unity doesn't find the bones.(...
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How to open closed eyelids on pre made models

I'm "kind of" new to Blender and rigging/animation in general, but I like to jump out in the deep part of the pool. (Sorry) What I mainly want to do is rigging and animation, so I've kind of not paid ...
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1answer
27 views

Parenting eyes moves them inwards

I'm very new to blender and I've run into a problem that I don't know how to solve. Here is the face of the character: I recently added eyes to it and now I need them to follow the character when I ...
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1answer
164 views

weird bone axis/rotation problems (from blender to UE4)

i'm quite new, to unreal engine en blender. (installed both 1,5 month ago) and i start working on my first game/interactive experience. and i have run in a lot of problems sinds ;p (of course ;)) but ...
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1answer
95 views

Set inverse Child OF constraints via python [duplicate]

A few years ago I used to be using a little script found here in order to reset every "Stretch to" constraints of an armature, in pose mode, even on unselected/offlayered bones : ...
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1answer
125 views

drivers and custom properties for buttons

I'm just beginning to get into drivers and custom properties for bones and I was wondering if its possible to set up drivers or custom properties for buttons rather than sliders. The reason is I have ...
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0answers
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is there a way to constrain a bone to snap to the surface normals of a mesh?

Not like the shrinkwrap modifier, but more like surface snapping (with the 'follow surface normals' option turned on). So that the bone stays parallel to the normals of the mesh it is stuck to, and ...
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0answers
32 views

Move single bone without moving mesh

I can't find the answer to it, hence the making making of this new topic. The problem is that I want to move a bone without the mesh that is a child of the armature. The reason I want to do this is ...
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2answers
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B-Bone not displaying as box but instead displaying as sticks

I'm having a bit of difficulty with armature displays. I've selected B-Bone as the display which I know is supposed to make bones look like boxes but instead they're appearing very thin like the ...
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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 ...