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Questions tagged [bone.constraints]

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Problems with character with "Stretch to" when exported as FBX

I'm working on a humanoid slime character, then his animations are super soft and stretched, then I use the "Stretch to" Constraint, but when I export it as FBX, the entire mesh distorts, ...
Gabriel Marques's user avatar
0 votes
1 answer
15 views

Keyframes suddenly not interpolating or being read on specific bone/rig

I have situation where I am trying to animate an IK rig and the animation is not being interpolated and sometimes not being read from the key frame. Other parts of the rig work fine. In fact I have an ...
DrIgnatiusCole's user avatar
1 vote
1 answer
129 views

Move Bone Along Path with Constraints

Trying to move multiple bones along a path when another bone rotates. When the forearm bone rotates, Bones 1 - 3 should move down along the path into the box. I can set the bones to the path, but I ...
cantStop45's user avatar
1 vote
1 answer
23 views

Why is my character's arm moving when I move the core bone?

Dear Blender Exchange people, i'm working on animating a character for a game i'm working on, and I had animated walking animations for every direction. After I finished those, I made an idle ...
Joshua De Alba Plasencia's user avatar
1 vote
1 answer
32 views

Blender Pole Target Rotates Wildly When IK Target, PoleTarget, or Any Other Bone Gets Moved

I have IK constraints all over this thing, but the knees are broken. They were fine when I first made them, and now they're doing this: Crazy Knees Being Obnoxious via Imgur I've tried replacing the ...
Sunnny Fay's user avatar
0 votes
0 answers
38 views

Make head and tail of a bone follow two different paths

I need the head an the tail of a bone to follow two separate paths while keeping the length of the bone fixed: I tried all sorts of combinations of IK, Clamp to, and Limit distance. Is it possible to ...
shalabuda's user avatar
0 votes
1 answer
25 views

I want to know why my rig legs jump when they are attached to a circle curve via a follow path constraint [closed]

when assigned to the "walking path", a circle curve, the rigging on the legs doesn't stay put. I am following a video, they are meant to follow the set path remotely from their original ...
SirGent RJC's user avatar
0 votes
1 answer
24 views

How to make rigify deform bone not move while control does by constraint

Is there a way to make the control bones just visually follow a constraint, but when deforming it does not? I know there is a way only give a constraint to the control, but the DEF will follow because ...
JubLubs 9063's user avatar
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0 answers
16 views

How to attach several rigs to an armature without it slowing down

A model I'm working with has several accessories that can be added to the model. Each accessory has its own rig and needs to be attached to the main rig to work properly. I thought simply using a &...
Ethan's user avatar
  • 140
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0 answers
22 views

How should I keep armature handles close to the actual mesh when posing the armature?

Using Blender 4.1 I'm currently learning how to rig and want to learn how to use bone constraints properly. Here is my WIP rig thus far: When I move the root bone (the first spine bone, by the pelvis ...
Paddlefruit's user avatar
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0 answers
24 views

Root bone moving carry joint twice as far as it should

I have everything parented to a root bone and my carry joint is constrained to the hand bone (this is so that I have the option to keyframe in influence and swap which hand the carry joint is in mid ...
Rick's user avatar
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0 answers
25 views

Bones not Following Rotation of Armature

I have an animation of my model which I would like to orientate in a different direction. This is normally a trivial thing to do, however, this models bones are not orientating themselves relative to ...
DrIgnatiusCole's user avatar
1 vote
1 answer
33 views

IK Chain Confusion: Unable to affect hand's rotation without affecting whole chain

I've built about a dozen IK chains before. I must be going senile over here. When I rotate the hand control in what I believe is a standard IK setup, the entire arm rotates. I am unable to affect only ...
JPBiv's user avatar
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0 answers
43 views

Animating Bone Chains: Using the Last Bone to Drive the Movement of the Entire Chain

I would like to achieve the following: given an armature and a chain of bones connected in a parent-child relationship, when I move the last bone in the chain, I want all the other bones to move ...
Seraphim's's user avatar
1 vote
1 answer
32 views

How do I use bpy.ops.constraint.childof_set_inverse() in blender 4.0?

I am trying to set the inverse on my child of constraints using python. However, with the correct bone active and while in pose mode, when running: ...
Lipizzaner's user avatar
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0 answers
8 views

How to keep a bone on an object (Ex. A hand on a table) when moving an inverse kinematically rigged model?

Looking to see if anyone knows how to keep a bone stationary on an object (Ex. A hand on a table) when moving an inverse kinematically rigged model? Issue: Have a model that is sitting at a table (...
Questions123's user avatar
1 vote
1 answer
50 views

Can I make IK robot elbow face a persistent direction like in FK

I can't get the IK arm to behave the way I'd like. There are bones behind the arms that are used as pole targets. When the pole targets are active the elbows behave nicely but the shoulders rotations ...
Zach Bowen's user avatar
4 votes
1 answer
238 views

Why are my arms bending with a bone instead of following the bone exactly

I am having major problems rigging my model The right arm on the model is bending instead of staying straight like the left arm Here is the model
Yoari's user avatar
  • 43
0 votes
1 answer
92 views

How to parent an object to multiple bones?

So, I'm trying to rig a dragon with four fins lining his head and jaw. I need them to deform in a way that is believable, so at first I tried weight painting them between the head and jaw, but when I ...
TheMadMothra's user avatar
0 votes
0 answers
24 views

bones constraints breaking skeleton

I'm currently trying to figure out how to properly set up a rig (if that's what it's called ?) I've got a 3d model with a skeleton in blender. I can move the bones just fine, but if I move a bone on ...
Imatoumi's user avatar
2 votes
1 answer
234 views

How do I create a bone which controls the "global" rotation of another bone and not its local rotation

I have a free floating control bone which is meant to rotate the spine of my character on the global x axis so that my character can look up and down when performing certain actions via my game code ...
DED's user avatar
  • 249
0 votes
0 answers
53 views

rigify relink constraints don't work

When I build a custom armature, I want to generate bones in armature as the target for a basic.raw_copy skeleton constraint. I looked up blender manual and some ...
e tian's user avatar
  • 1
-1 votes
1 answer
48 views

rigging movement of cad machine with bone constrains

I would like to animate the movements of this machine here with Blender. Animation video link: https://youtube.com/shorts/NI7p6CnXp1E?si=lVzzqbpwJB9x2Qjj How do I go about it? Where do I start? Should ...
dlbhar's user avatar
  • 19
1 vote
1 answer
47 views

Uncontrollable Offset with Follow Path

When I set the target of the Follow-Path Constraint my object moves to some other position which I cant control and dont want. How can I fix this? I think it has something to do with the blue dashed ...
Alexander T.'s user avatar
1 vote
1 answer
33 views

child of constraint only from child direction, fixed pivot point on parent side

I would like to control the position of one bonetail (Bone.003) with two boneheads (Bone.007 & Bone.005). If I am not mistaken, this is possible trough parenting 003 & 007 and using the child ...
Julian's user avatar
  • 23
0 votes
0 answers
49 views

Adding constraints to an IK hand bone in rigify?

I want to rig a character with a staff with Rigify. The easiest way would be to have the IK hand bone in the generated rig parented to the staff bone, so that rotating the staff bone would also move ...
Legoman's user avatar
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0 votes
0 answers
21 views

Bone rotating in IK despite axis lock

I have an ik chain of 2 bones. I have it set so that the first bone has a y axis lock but the second bone has an x and z axis lock. In spite of this, when using the ik, the first bone still rotates in ...
ZerotheHero.TakeaSip's user avatar
1 vote
1 answer
61 views

How to make to make a corner fold in a curved way with an armature bone?

Edit: Hey, I edited the question to make it clearer, with better images and details. Added some progress as well. 1 - I have this setup: a simple mesh, a bone (Bone), and a vertex group assigned to it:...
DMZ's user avatar
  • 11
0 votes
0 answers
32 views

Is there a way to keyframe the action of applying/adding modifiers (or constraints for bones)

I'm new to scripting in Blender but I've made a tool for an easy IK/FK switch for myself. I've been testing the tool without keyframing and it functionally works great but what I didn't take into ...
Reece Themen's user avatar
1 vote
0 answers
111 views

Auto-fixing transform after enabling/disabling child of constraint

I don’t have a particularly specific problem, rather a common one and I have never seen anyone trying to solve it in this way. Is there a way to automate the change in bone/object position when the ...
Kpyxa's user avatar
  • 11
1 vote
0 answers
310 views

How can I add a bone constraint to multiple selected bones at once?

I want to add the same bone constraint to every bone in my armature. I could do this by manually constraining each bone, but that would be time consuming on a complex armature. Is there a way to add ...
user5104897's user avatar
0 votes
1 answer
104 views

Spline IK moves weird and unpredictable

I have a Dog Model that I rigged from scratch. I used spline IK constraints for the Eyelids and Lips. Whenever I move any Ctrl Bones that are hooked to the related bezier curve, the movement of the ...
Eli Garussi's user avatar
4 votes
2 answers
350 views

Rotation constraints overwrite inherited scale

I would like to have a track- or rotation-constraint on a child of a scaled and rotated parent. Unfortunately both types of constraints seem to overwrite the inherited scale. In the example gif below ...
Ninkognito's user avatar
0 votes
1 answer
26 views

pole target freezes up all the bones in my rig

I was following a guide for rigging and all was fine and working until I add a pole target. When I do it will freeze up all the bones and I can’t move anything until I remove the pole target. I have ...
SpanishCarmine's user avatar
0 votes
1 answer
76 views

Copy Bone Rotation Constraints Between Armatures with Different Initial Bone Angles

i have three horse rigs that are all built slightly differently. i want to create one master rig to animate them all :X left: Rig1 center: Master Rig right: Rig2 the problem is, no matter which ...
blr's user avatar
  • 77
0 votes
0 answers
79 views

Bone rotation not working in pose mode

I'm using Blender 3.4 and am having trouble with my rig. I used a basic human meta rig for my character and then made a rig for my hands. I added some constraints to the bones and it was working ...
RayKeyz's user avatar
0 votes
1 answer
19 views

Has anyone else encountered the issue with the Limit Rotation bone constraint?

I'm having an issue with my transform constraints. It seems that when I apply a Limit Rotation constraint, the bone completely ignores it. The Issue https://youtu.be/LohLP-KnWrY Attempted solutions: ...
Schmutz_'s user avatar
3 votes
2 answers
88 views

How to make a ratchet-like driver that increases a value only when object moves in certain direction and ignores it moving back?

New to drivers and Python in general, I’ve been playing around with it, but I need to do it without any animations or shape keys, tried a bunch of things with my limited knowledge even combining ...
spatialed's user avatar
1 vote
1 answer
55 views

Setting up a Bone Constraint

I'm thinking about how to use a constraint so that these 3 bones will move outwards or inwards (while staying the same size) when I expand/contract the circle. any ideas on how to set this up? Thanks!
Beneficial Tree's user avatar
0 votes
1 answer
21 views

Mesh comes off when moving bones

I am a beginner of rigging bones and have a problem I've been working on for 2days now.I am currently trying make an animation that moves as though a tranparent person is hanging it on his body. So ...
julius's user avatar
  • 75
1 vote
1 answer
51 views

Trying to stop a bone from rotating after setting rotation constraint

I'm trying to rig this arm and am trying to apply a Copy Rotation to this finger and have it constrained to the controller bone. When I do, the finger bone rotates to the same position as the ...
kariomart's user avatar
  • 243
0 votes
1 answer
57 views

How can I copy half of a bone's Y rotation?

How can I make bone 1 copy half of bone 2's Y rotation? I've tried using a copy rotation constraint with a .5 influence, but due to the limitations of Euler rotation, it is causing unwanted X & Y ...
Anonymous2840938028's user avatar
-1 votes
1 answer
23 views

Rotational Values with Constraints

Is there any way to have the rotational values updating "live" on an object with a contraint? I would like to access the y axis rotation to use it with a driver but with the contraint acting ...
Nikos Makris's user avatar
1 vote
1 answer
84 views

Copy right side bone's constraint parameter as driver and paste it on counterpart of left side bone

There are lots of bones and right side bones and left side bones have same constraint. I always copy right side bones constraint parameter as driver and paste them on same parameter of left side bones ...
Yokomizo's user avatar
  • 405
0 votes
2 answers
39 views

Build interconnected armature

I'm fairly new to blender and am trying to build a collection of bones that move depending on the rotation of one bone. I have three bones (as seen in the screenshot). There are two fixed points (A ...
redleo85's user avatar
  • 103
1 vote
0 answers
22 views

Flipped bones with pivot constraint isn't working as expected

I feel like this is a bug but I am still asking, just in case. Anyways, I am making a model for a game I am working on called Nightly Escape. Sorry for the plugging there. But to the point, I am ...
Jonathan J. Pecany's user avatar
0 votes
1 answer
41 views

Why is IK hand bone in the wrong direction during follow path?

This is my first time but I'm trying to use the Follow path constraint but as soon as I assign all the bones of my character to the NurbsPath one of his arms bends backwards because the IK control ...
Stephen's user avatar
  • 313
0 votes
0 answers
23 views

Problem with copy rotation of bone

I am having problems rigging this character. I want the hand and finger bone to rotate with the hand IK bone. At this stage it rotates in different axis' and I can't seem to get it to work properly. ...
user29279's user avatar
1 vote
0 answers
167 views

Blender keeps crashing at random. Problem with Action constraint?

My Blender keeps crashing at random intervals whenever I am in a project using two specific rigs I put together. Most of the time it's completely fine to use them, but other times it suddenly begins ...
Gaja's user avatar
  • 11
0 votes
0 answers
74 views

Limiting the effect of Copy Rotation constraints on a single axis. Having issues with axis flipping

As part of a larger rig, I'm trying to achieve the effect where a deformation bone copies the location of a root bone, and the rotation in the Y&Z axis, but when rotated on the X axis only copies ...
Mike Hodgetts's user avatar