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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6
votes
6answers
26k 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 ...
6
votes
2answers
57k 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 ...
5
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1answer
2k 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.
5
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2answers
2k 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 ...
4
votes
2answers
6k 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 ...
1
vote
1answer
933 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 ...
5
votes
3answers
13k 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/...
18
votes
2answers
17k 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 ...
10
votes
1answer
968 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. ...
10
votes
2answers
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 ...
7
votes
1answer
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): <...
3
votes
2answers
1k 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 ...
4
votes
1answer
290 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 ...
7
votes
1answer
2k 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 ...
5
votes
3answers
9k 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 ...
5
votes
1answer
603 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?

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