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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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9 votes
1 answer
32k views

How to re-parent a bone?

I have rigged a gun, but the bones/armature is attached to the wrong bone. I need to move all the bones which are meant for the gun to a different bone. Images which explain the problem:
Knuckles209cp's user avatar
1 vote
3 answers
20k views

X-Ray Mode is Not Working

I'm new to Blender and still learning how to make a simple character, but when I started creating the Armature the X-Ray Mode is not working probably. I enabled it and I can't see the bones. That ...
Amjad Mesmar's user avatar
5 votes
2 answers
23k views

Aligning bones' axes to the global axes

I am using the quaternion rotation mode to rotate bones into poses for an animation. For some of my bones, when I increase the X value of the quaternion the bone rotates around the y axis instead. For ...
Alex - GlassEditor.com's user avatar
5 votes
2 answers
3k views

Strange mesh deformation when using the action editor?

I have had this problem before and it's starting to happen again, but with a different mesh. Note that it is scaled up a tiny bit. When I create a new action called reload and animate only the ...
Knuckles209cp's user avatar
4 votes
4 answers
48k views

Change size of armature bones?

I want to be able to do is change the size of the big bone a bit so I can actually see what I'm animating. I want to be able to wireframe the armature so I can see the hands. So in other words, I ...
Knuckles209cp's user avatar
3 votes
1 answer
1k views

Multiples animations in a single blend file

For a University project I need to make a fish (guppy), create bones, add them to the mesh, create some "realistic" animations on the timeline, and finally redo the last point to be able to set ...
Kane's user avatar
  • 133
1 vote
1 answer
2k views

mesh won't deform (in pose mode) once parented to bones

So I followed this tutorial: riggify to the letter and once I go into pose mode, my mesh will not move/deform with the bones. Only the bones move, without any of the mesh. I have tried parenting to ...
Magic Girl's user avatar
2 votes
1 answer
205 views

Rotate bones using a texture?

I have an armature, and I want to do a "flailing limbs" effect. I figure a good way to do this would be to have a noise texture and rotate the bones in accordance with the texture. Is this something ...
Niet the Dark Absol's user avatar
2 votes
0 answers
1k views

Automatic mapping of walk animations based on object velocity [closed]

I'm looking for a way to automate walk cycles, so they can be reused in any scene on top of the normal armature action. NLA strips make this possible to a basic level: You can have a separate action ...
MirceaKitsune's user avatar
4 votes
1 answer
1k views

why is 'child of' modifier scaling my bone?

I'm having so many issues with parenting bones. I'm trying to use the 'child of' modifier to parent a 'lightsaber bone' to a 'hand bone'. But when I apply the modifier, the lightsaber bone and its ...
NickG77's user avatar
  • 41
3 votes
1 answer
9k views

Blender assign armature to mesh: “bone heat weighting failed to find solution for one or more bones”

I get this error working with Blender while I try to assigning armature's bones to an human mesh.
Luca Davanzo's user avatar
6 votes
7 answers
40k views

In Pose mode, my bones are stuck in rotate, and wont transform

When in pose mode, the bones on my model wont transform, they are stuck in rotate mode, though I can scale them. This problem now occurs whenever I try starting a new project. Some bones that I made ...
Joshua's user avatar
  • 61
6 votes
2 answers
83k views

Model won't follow its armature in pose mode

I've set up a rig and built it around my model, and I've linked it to my model but when I rotate the bones in pose mode, the character doesn't move with them. My rig is the human meta rig that comes ...
Edward's user avatar
  • 71
5 votes
1 answer
3k views

How can I rig a cube in Blender so that it bends and twists?

How to rig a cube so that the corners of the cube can twist and bend? It will hopefully have a face too.
Joshua Slink's user avatar
5 votes
2 answers
3k views

How can a bone's tail be changed by a script?

I want to calculate a rotation matrix from two vectors, in order to check the steps are correct I have setup 3 armatures. A reference bone (arm_org), One that is directly rotated by applying a ...
stacker's user avatar
  • 38.6k
4 votes
2 answers
7k views

Removing automaticly generated (automatic weights) weight paint

I'm very new to the topic of weight painting, and have just parented several meshes to a rig. It all works well, except for one issue at the shoes (the bone of one leg not only drags that leg, but ...
Matthew Fennell's user avatar
1 vote
1 answer
1k views

Default skinning for vertices with no assigned vertex group

I am trying to fix a problem with the FBX exporter. Two vertices in my test model don't seem to have bones/weights assigned to them. This is confirmed by printing vertex.groups to the console during ...
user1387's user avatar
  • 145
6 votes
3 answers
14k views

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

I am creating men/woman character using MakeHuman tool and import into the blender tool. I followed the steps given in the below youtube video tutorial to work with blender. http://www.youtube.com/...
SKK's user avatar
  • 181
21 votes
3 answers
26k views

Is there a way to convert a constraint to a keyframe?

I have a model in Blender with a full rig, including IK bones. I also have a sword with two bones, on the top bone of the sword I have a set of constraints that copy the location and rotation of a ...
Goff's user avatar
  • 313
10 votes
1 answer
1k views

Can armature/bones be edited without edit mode?

I was looking after some information about armature and bones, so I can continue my importer script. I found some nice info here; no BMesh, and simple enough for my needs as beginner, so just perfect. ...
Zéiksz's user avatar
  • 1,979
11 votes
2 answers
5k views

How do you export bones relative to parent?

I'm currently writing an exporter script. So far, I can export meshes just fine, but I've got some problems with exporting the armature. According to the python api, there are three different types ...
Exilyth's user avatar
  • 308
8 votes
1 answer
2k views

How are the Bones assigned to the Vertex_Groups in the API?

I´m working on an export script for Blender and I´m currently stuck at exporting bone weights. Here is what i have so far(excuse me if my Python is not that clean, the syntax is pretty new to me): <...
Luis W's user avatar
  • 255
3 votes
2 answers
2k views

Do some Bone Constraints only work with Root Bones?

While the Floor and Limit Distance constraints work well with the root bones of an armature. I don't get them to work with other non root bones. Is there any reason for that or do I miss a detail? In ...
stacker's user avatar
  • 38.6k
4 votes
1 answer
361 views

Point and Edges based on Armature Hierarchy

Someone asked me if we can do what the Skin Modifier does, but in reverse. For example, you started with some Edges and then create an Armature based on those Edges. If I started with Human Meta Rig ...
Blender Sushi Guy's user avatar
7 votes
1 answer
3k views

Why do some bones in an animation lose their position when applying scale to their armature?

After starting with a stock armature with a run cycle I added a few of my own bones for various armor pieces on my model. As the stock model is too large for my game and the engine requires me to ...
James Westwood's user avatar
5 votes
3 answers
12k views

Can I influence the bone envelopes?

I was hoping I could get some help here. Is there any way to influence the bone envelopes? My Problem: I have an Armature and the Armature is set in stone and can't be changed. I have also an Avatar ...
Martias's user avatar
  • 51
5 votes
1 answer
658 views

Can I use splines and bones together in the same rig?

I have model of an animal I'm building. It will have bones to animate the limbs, the neck, and the jaws. However, I want the tail to be less rigid. So, can I use a bezier curve and bones together?
A Wild RolandiXor Has Appeared's user avatar

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