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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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How to make a Morph Object follow the surface of a model

I'm trying to create a character with admittedly unorthodox eyes and pupils. What I'm attempting to do is make the pupils in 3D and them change their shape using morph targets, a little like the 3D ...
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Use python to modify bone and mesh pose

I have downloaded this rigged avatar. I also have a list of 3d positions corresponding to different body parts (left/right foot, hands, knees, elbows, head, ...). What is the best way to set the ...
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Lattice not working when I move bones

I have made a cartoon eye using a lattice. When moving the eye individually, it works with the lattice fine. When I use a bone to move it (here is the tutorial I used https://www.youtube.com/watch?v=...
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Eyes don't move with Rig

So I'm modeling a character but the original model I used didn't have eyes, so I had to import those eyes. I then joined the eyes with the model. The only problem is, when I pose my character, the ...
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Shape key and driver Problems Blender 2.8

I'm rigging a character and I would like to fix spots that weight painting won't fix with shape keys. But assigning bone as a driver doesn't do anything. It's controlled by an IK bone and doesn't seem ...
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FBX export broken [on hold]

Can someone help me out with that fbx export issue? I am downloading the latest builds every week and after a version from 27.03.19 my exported character staying normaly in idle (rigged & animated)...
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Downloaded and pre-rigged model is partially invisible in object mode

So my friend send a model of his for me to work with, but when I open it the model is partially invisible and the bones are closer together. But in edit mode the entire model is visible I've had ...
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Why is Bone Transformation Constraint Speed too high?

link to a video of my problem : https://youtu.be/EI8dHZs6VF0 I have a problem from my rig. Apart from my IK I have made some bone constraint transformation mapped to the relative position of the ...
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IK rig breaks when I add a pole target

I've been trying to do rigging recently, and when I add a pole target to my IK rig, my character's foot just slides up and down the leg, which remains stiff. I've had this problem for a while and I ...
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Optimizing animations

I have a question. I'm dabbling in animation in blender and in my scene I have: 1: a camera with keyframed locations and rotations 2: An armature which I hva keyframed multiple bones 3: Two object ...
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Is possible to drive X uvwarp location with bone rotation?

I'm trying to do something similar to this video 2D Eyes Maya to UE4 In it, they show a rig that uses a bone rotation to drive the X- uv offset to change the eye texture in Maya, in Blender, that ...
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Can't Select Bones in Pose Mode (Blender 2.8) [duplicate]

I parented a mesh to an armature with no topology issues or anything. My mesh has been parented with automatic weights, and it's ready to be animated. However, for some reason I cannot select the ...
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rotate bone around 3D cursor in pose mode

I would like to pose my armature using the 3D cursor as pivot point. However, the bone rotates around its own center, even when I set its origin to 3D cursor. I also tried parenting this bone to ...
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Rotating bone causes distortion in unrelated object

blender noob here so bear with me. I'm having trouble rigging the left arm of my character. For some reason, rotating any bone in the left arm distorts the brim of the character's hat. I created the ...
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Can't parent mesh to Armature

So, for some prior context, I'm trying to rig a model I had previously sculpted, but it doesn't seem the mesh will parent onto the armature no matter what I try. I've selected both, ctrl+p, set parent,...
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Spline IK Tail Rig is stretching and scaling the Tail bones, and I don't want it to. What can I do?

Here's a video of what I'm talking about I'll also explain in text: I have a tail with 8 bones, and I need the bones to follow a curve to allow for smooth animation. But when using spline IK, the ...
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Weird deform Issue [duplicate]

When I try to rotate a bone on the arm the chest armor deforms as well. I looked around and couldn't find any answers, any help? Also I did check weight paint and there is no reason the chest should ...
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One shape key, multiple bones driving it

I have a character that has 1 shape key that controls the shape of her thighs (both left and right). What I'd like to do is control this shape key with a driver when either the left or right foot is ...
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A Tree that shakes off its Leaves

I'm trying to create a very low poly, 2D tree that uses square pixels as leaves. I have animated the tree and I'm now adding leaves. I'd like to make the leaves shake with the tree's animation and ...
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Heatweighting issue - Can't resolve it (armature) TOO MANY VERTICES

I'm kinda desperate here. I had a project due tonight and I can't animate this teddy bear. I have over a million vertices and I have no idea how. I already tried to remove the doubles, did the boolean ...
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Copy relative positions of empties to bone rotations in a smaller armature

I have an armature and a set of empties that line up with each endpoint of a bone by their relative positions, but not by their literal locations or overall scale. The empties are animated in the way ...
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Plane mesh with curve modifier problem

I have a problem with a plane mesh and a curve modifier. When I start an animation the plane is moving as a red arrow shows but I would like to that the plane would move as a blue arrows shows (...
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How do I start a new pose position from rest position (New to blender)

I am new to blender and I am struggling with rigging and posing: As you can see from my screen shots, in the first photo I set up my armature in edit mode and it looks as intended. As you can see ...
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Bones moving incorrect things on mesh

I've added bones to this mesh that I downloaded online and for some reason when I move some specific bones it moves other stuff, like eyebrows. I'm not that experienced yet I know a few things here &...
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Blenrig bones changing between rest and pose mode, have tried resetting all transforms and reset “stretch to” constraints

I've made a rig with Blenrig and everything was working cool so far, but I've come across a problem where some strange deformation is happening between rest position and pose position. The face ...
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Linking two armatures into 1

2 models having their own armature,i wish to link both armatures into one ,creating a bone linking both Root bones,making it one armature. I tried few things,it's ends up messing the mesh. PS: No ...
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Bone gets rotated after exporting blender file as FBX

How's it going. I would really appreciate if someone can help me with this problem. My weapon bone gets rotated by 180 on the y-axis when I export my file from blender as FBX. Before exporting ...
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1answer
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Is there a way to see spots on a model that don't have any weight painting on them?

I'm trying to get my model's head to pose correctly but when I try to pose it, some of the face (eyes) stays in one spot. Here's the blender file: Head up Head to side Head normal
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Is there a way to delete bones that don't have any weight assigned to them?

I'm trying to rig a model, but the model has upwards of 500 bones and many don't have any weight to them. I was wondering if there was a way to delete bones that aren't weighted to the mesh.
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CMU bvh animations and rigging

I am wondering if i could get some tips from the wonderful people of this group. Does anybody have any experience working with CMU Mocap animation? I am currently working with bvh files. I have a rig ...
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Converting from Tree of Empty to Armature back to Tree of Empties

I'm writing an importer for an irregular model format. This is based on a 3dsmax script. The format stores the skeleton as a list of bones listing each bone's parents and two matrices, one called "...
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35 views

How do I swap Y and Z axis on bone?

For some reason Blender 2.8 creates bones with Y axis going vertical (up-down) and Z axis going horizontal (front-back). I need to align bone axis to global axis, where Z is up-down and Y is front-...
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Why does bone's radius resets when trying to move the bone?

I'm working with envelope weights for skinning, and wish to move some bones around, but if I do that I lose my work on the bones radius and envelope values. Might be because it calculates the radius ...
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How to use bones to fold a model like cardboard?

I am a Blender novice and wondering if someone could take a look at the model I've created and some bones I'm trying to use to pose it. I was hoping to just make these folds at 90º but the bones are ...
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“Keep offset” connecting the wrong ends of the bones

I am having trouble with the "keep offset" function that keeps on connecting the wrong ends of the bones together ! As on this picture here, where the dotted line should link the two closest ends of ...
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Copy data from transform panel

I've been trying to find out ways to copy and paste the transform (panel) data of one bone to another, but I can't seem to find anything about how to do this anywhere. I have roughly 40 bones I need ...
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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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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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Is there a way to define rotation of a bone with handles like a curve vertex?

I can't provide a blend file because I've never seen it done. Instead of having rotation constraints for a bone to limit rotation, it would be more accurate and flexible to instead have rotation "...
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Set active bone in pose mode from Python script

I'm trying to use the function bpy.ops.pose.constraint_add() on bones through a script, but stupid thing is that I can't find how to set the bones as active ones which is needed to call this function.
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Bone rotation not following shortest path

I use quaternion rotation mode to animate the bones. However I get weird rotation results, when trying to do a roll animation. The hip bone goes in the middle of the animation in the opposite ...
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Changing Multiple Influences Simultaneously

I'm a new Blender 2.8 user, and I am creating my rig for the first time. Is it possible to select and change the rotation constraint influence of multiple bones at the same time? My rig goes back and ...
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Is there a way to make a shape key (or vertx group) blend along bone movement rather than linearly between start and end points of the vertex?

Still learning and messing around and can't figure how to do this or if it is possible at all. Best way to describe what I'm seeing is if you imagine a finger curled tight as the the start point and ...
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Issue with bone movement changing meshes

when I move a bone the mesh it is paired with will change size to be either to large or too small and overall just look wrongs it also only happens when i move a bone or rotate a bone vertically but ...
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Blender:PoseMode: What is the reason I can't move my thighs (but i CAN move calves and everything else)

What I did: I created humanoid character with vertices, then I added skin modifier and created armature from it. Then i went to armature's posemode and couldnt move my thigs. When I was extruding, ...
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Moving bone moves wrong part of body

This is weird, ive done this stick several times today and it worked well last time i did it, i think so But now it moves body when i drag the upper body bone (just below head and invisible neck). ...
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Bones flip out when posed using inverse kinematics

Okay so I have rigged many armatures in my time in blender, and this problem happens from time to time but its usually slight enough to ignore, but not this time. So I have a rig made for a human, ...
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Duplicated vertex groups in separate object don't deform like the originals

I made a character in MakeHuman and imported it into blender using the MHX2 import script. Quite impressive! I am trying to model a pair of trousers, but for some reason I can't get them to move (...
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rigify: how to tell which bones will ik

I inserted the rigify basic human metarig and went into pose and it Iks fine on the big bones but pulling on the little bones simply moves them. They aren't attached or constrained and moving them ...
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Bones do not move geometry

I have brought an IFC of a crane into blender. The Jib (The arm with the hook at the end) is one group and I am trying to use bones to make it so I am able to lift the jib up and down. I have ...