Questions tagged [constraints]
Constraints are object features, they control in various fashions the object's transform properties such as its position, rotation and scale. Use this tag for questions pertaining to constraints and their usage within Blender.
1,219
questions
0
votes
1
answer
12
views
How to make the cloth rope simulation attached at both points?
I'm creating a trebuchet simulation. All of the actual mechanics are handled by rigid bodies and rigid body constraints, but I wanted to add a rope between the "holder" and the arm. I ...
0
votes
0
answers
29
views
How do you create a trail of mesh with gradually increasing distance between them?
I am currently trying to create a card animation where few dozen cards fly around a circular curve through follow path object constraint. I would like to apply a trail effect, where cards at the front ...
- 121
0
votes
1
answer
15
views
Generic Spring Rigid Body Constraint Objects Jittering
I am working on a rigid body bike that binds four cylinders as wheels with generic spring rigid body constraints. It looks like this in Blender 4.1:
I believe that the constraints are set properly, ...
- 11
1
vote
1
answer
13
views
How to freely rotate compound object with copy rotation constraint
I created a book that can be opened and closed. The rotation of the spine controls the opening and closing animation. The cover and the back of the book are children of the spine and the rotation of ...
- 304
0
votes
0
answers
18
views
The "Clamp To" Constraint and the speed of movement
As you can see I have three objects in this scene, and the Cube is Parent to the Circle and the Empty. You can also see that the Empty has a Constraint, namely "Clamp To". Because of this I ...
- 11
1
vote
1
answer
51
views
Inconsistent bone movement with transformation and clamp to constraints
Arm rig uses 4 plates to cover the elbow and are currently rigged to move into the bicep as the forearm rotates on the Z-axis. The 4 bones that control these covers are clamped to a curve. In pose ...
- 77
1
vote
1
answer
31
views
How do I rig a swashplate?
This gif gives a general idea of what I am trying to achieve under 'rest conditions'.
The problem is that this rig stops working once I tilt the swashplate, thus defeating the entire purpose of a ...
- 2,577
0
votes
0
answers
10
views
Copy location constraint with vertex group not working anymore on 4.2 version
I'm trying to make a render of a sailing boat that floats on a ocean, so as many tutorial suggested, I've created a plane, I've shrinkwrapped it on my ocean, I've created a vertex group and use it to ...
- 1
0
votes
0
answers
9
views
Bone Constraints - Menu is empty (Just a Plus and Minus icon)
I created a very simple Armature, unconnected and unparented. Just 3 floating bones.
For my needs, i have to assign a Bone Constraint to one of them, so i go into Pose Mode, but the menu is empty, ...
- 23
0
votes
1
answer
22
views
Constraint 'Copy Rotation' X axis invert not working ... why?
I am modelling a Monitor Stand for triple monitors. I would like to rotate the right arm and have that rotation reflected in the left arm.
Starting point with the arms straight and the right arm (the ...
- 23
0
votes
0
answers
36
views
Is this Piston Setup Impossible to Achieve with Object Constraints?
I have this piston setup, and I am using object constraints to get it so I can move the two mounts wherever I want, with the other objects rotating to make the piston work. I have done this already, ...
- 21
1
vote
1
answer
32
views
Can I control a Constraint Influece property from a geometry node?
I'm using a custom property to control the state of an object. If the property is set to 1, the object is set to one location, and if it's set to 0, the object is set to a different location.
When the ...
0
votes
1
answer
13
views
Blender 3.6 LTS Bone constraint highlight on custom shape bones?
When a constraint is placed on a bone that doesn't use a custom shape, it gets a green color highlight. Seems like by default, bones which use custom shapes don't get a green color highlight when a ...
- 63
0
votes
0
answers
13
views
Copy Rotation Constraint on only X and Y flips the bone when the target bone moves to much
I want to make a mechanical thing where there's a piece that would only move like a gimbal without the local z rotating but the copy rotation constraint does work it just doesn't allow full rotations ...
2
votes
1
answer
44
views
Copy Location Offset not working
Hi I am running Blender 4.0 on a windows 11 machine, I am trying to add the copy location constraint to a cube.
Using an empty as the target and enabling the offset so the cube is back at the starting ...
4
votes
1
answer
360
views
Rigging Landing Gear
The Blender File is attached to this post.
When the first controller object moves down on the local Z axis, I'd like the land gear empty controller object, on both sides of the wings, to rotate along ...
- 1,382
1
vote
1
answer
30
views
How to "apply" Rotation to a armature bone?
I have the following "controller" bone added to my rig:
The problem is, that if I add a "copy rotation" constraint to the bones I want to control, they apply the rotation which I ...
- 135
1
vote
1
answer
30
views
Constrain scale/rotation to two pivot points at vertices?
I'd like to position an object such that its top and bottom are at specific coordinates, but I'm not sure how to transform it to achieve that with the normal rotate/scale parameters.
Essentially, I'm ...
0
votes
0
answers
12
views
Bake selected constraints relatively to the parent?
I need to store an animation of the object while preserving its dependencies to the parent. The object is connected to the bone using the Child Of constraint. I transferred some animation to it using ...
- 827
1
vote
1
answer
21
views
Object does not follow entire curve for follow path constraint
I am trying to make an object follow a bezier curve I made with the follow path constraint, but when I add the constraint the object starts about halfway down the curve, adjusting the offsets forward ...
- 11
0
votes
1
answer
25
views
Trying to change interpolation for an Object constraint animation property
I have a camera following a path around a bezier circle tracking to an empty. Normal 360 camera pan type thing. I want to change the interpolation to constant but the animation isn't turning up in the ...
0
votes
0
answers
37
views
Armature rigging issue
For the past few days, I've been trying to remake one of the mechanical robot arm taking inspiration from Ian Hubertz's work.
I have almost completed the rig for the entire arm except for the hands ...
- 3
3
votes
1
answer
101
views
Constrain a Bounding Box Within Another Using Geometry Nodes
First post and very new to geometry nodes, so I might be way out of my depth here.
What I want to do:
Here is two bounding boxes generated in geo nodes from two different objects. I want to constrain ...
1
vote
1
answer
57
views
How do I add a constraint to a bone so it follows a vertex in another object?
See video: https://imgur.com/RLkOZZf
I'm trying to have this bone at the end of this "rope" mesh follow the very corner of the sail (the vertex). I want the bone to be constrained to the ...
- 41
0
votes
0
answers
22
views
Why is my copy rotation constraint causing strange behavior
When I try to rotate the foot using the target bone, the X and Z axis transform incorrectly. I know the image doesn't provide much info, but I hope you can understand what the issue is. Either the ...
0
votes
0
answers
29
views
How can I make one character carry another character?
I'm trying to create a battle scene where one character is injured and must be carried off the field by a comrade. How can this be achieved without having to continuously reposition the wounded ...
0
votes
1
answer
23
views
Adding new transforms to constraint target of camera. Without affecting original animation
I am working with a camera that has a Child Of and Track To constraint targeting an object in motion.
That animation of the camera with the constraints is good, however I need to apply additional ...
0
votes
0
answers
22
views
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, ...
0
votes
1
answer
43
views
Rigging Pistons Mounted to Rotating Bases
Need to rig a piston where each half is mounted to a different mesh that rotates on different axis. With regular pistons this could be accomplished with Damped Tracks, but this won't be enough in this ...
- 77
0
votes
0
answers
8
views
IK Legs: Pole Rotate in Circle [duplicate]
I am making IK for legs. I have a target bone and a pole bone. I want the knee to always face the same direction as the foot. So whenever I rotate the target (foot rotates), and therefore should also ...
0
votes
0
answers
14
views
How to let player determine path through a tunnel at runtime?
I'm trying to create a game/animation where the player is traveling in an infinite tunnel and they have control over where the tunnel goes next. Imagine you were in a subway train's driver cab and you ...
- 143
0
votes
0
answers
28
views
Polymer Brownian motion - fixed distance between particles
I would like to simulate the brownian motion of a polymer chain with Blender. I would like to model the polymer as a series of N segments of equal lengths L. So there would be N+1 vertices and each ...
- 1
2
votes
1
answer
294
views
What are Blender equivalents to Softimage constraints?
Thank you for taking the time to read this. I've been struggling to get my shoulder armor for my Mega Man X project to work with an IK system. I stumbled upon a blogpost that potentially has some ...
- 87
0
votes
1
answer
181
views
Animation to Unity with Constraint
So I made a character and an animation, and that character is stirring a spoon. I added that spoon as a constraint to the hand that stirs, but now in unity the spoon does not move when the animation ...
0
votes
1
answer
33
views
Why is my intended target not showing up in the 'Track To' constraint list?
I am trying to get my camera to follow my character's animation. The character has a bone named "fx_damage_02", and with other characters from the same source, that bone shows up in the '...
- 403
0
votes
0
answers
26
views
Lock Axis on Force Fields
my goal is that the cursors follow the button and always point to the button with the index finger.
The button should move with keyframes and be a rigid body just like the fingers so that it collides. ...
2
votes
0
answers
57
views
Constraints (Transformation) are not working as expected
Help me understand the constraints.
My wheel is attached to the empty box so that it rotates along the forward x-axis as the empty box moves LOCALLY forward (direction - minus Y ).
And everything ...
- 1,369
1
vote
0
answers
43
views
Constraints Fail when Using Input Variables in Drivers
I'm encountering an issue in Blender where constraints stop working properly when input variables are used in drivers. Here's the setup:
I have a camera and a cube (scaled to 0 on the Z so it looks ...
0
votes
0
answers
24
views
Constraint which finds "lowest" point on object even as it rotates? [duplicate]
I need to drag an object across a floor (without physics) which is rotating and thus have different parts of its mesh (or at least a plane representing a simplified version of it) as its lowest point.
...
- 332
1
vote
1
answer
19
views
How can I export a creation so that I can use it in another project with its transformations controllers still working?
I'm very new at this. In this collection, the highlighted "trackcontroller" empty sphere is what allows the wheels and track to move via its Rotation X with Transform Constraints.
Is there a ...
- 13
2
votes
1
answer
58
views
Animation - temporary parent
During an animation, I want to move "Object A" along a path and at some point attach"Object B" to "Object A" before releasing "Object B" further down the path.
...
- 105
6
votes
2
answers
506
views
How do I snap an object permanently to another object in animation?
I have a Blender project that I am trying to make replicate how old video games worked.
What I am working on has an artificial shadow for an object. The shadow is a plane that is supposed to snap to ...
- 356
0
votes
0
answers
51
views
How to use constraints to simulate hinges?
You can use rigidbodies and that kind of works, but only in animation. My goal is to drag a part that is connected via what should be hinges and the rest to act accordingly. Also, with animation, ...
- 101
1
vote
1
answer
32
views
How to freeze the hand movement
Hi,
I'm new to blender rigging. I copied a movement from Mixamo to my own rig, now I want to freeze the hand movements (only) and also want it to rest it's hand (as I can not make it grip, no finger ...
- 11
4
votes
2
answers
748
views
Steering wheel rotation
Is there a way to rotate the tires of a car model and have the steering wheel move with it correctly? I tried to copy the rotation of my tires on to my steering wheel and it rotated in the wrong ...
- 43
1
vote
1
answer
34
views
Camera animation - path creation - Walking effect
Hi there sorry again for bothering you guys with what might be something rudimentary, but i am having trouble animating a camera and make it look like someone is walking in the maze i have created.
So ...
- 25
0
votes
0
answers
18
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 &...
- 308
0
votes
0
answers
25
views
Copy Rotation not resetting normally to the original pose?
So I added two Copy rotation to the bone wrist, and when I rotate and try to reset the pose with Alt+R/G/S, it's necessary to press these commands several times to go back to the original position, ...
- 1
2
votes
1
answer
54
views
Problem with Rigid body and Child Of constraint
thank you for your time, I've been following this tutorial: How To Make Any Rig Into a Rag Doll in Blender, but I have a problem, I'm using the Child of constraint on my bones to parent them to the ...
0
votes
1
answer
33
views
Is it possible to restrict the movement of 3D objects within a box in Blender?
I have 33 sphere objects positioned according to data from a txt file using Python scripting, forming a humanoid figure.
However, the figure tends to move out of the camera frame or may have spheres ...
- 3