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Constraints are object features, they control in various fashions the object's transform properties such as its position, rotation and scale.

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very simple Z Normal axis rotation

new to Blender, so please forgive if obvious.I have been looking for an answer on this.... Goal: Simple object (e.g. cube) , once rotated 45 degrees, can have rotation on its Z Normal animated. I ...
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23 views

Turret Tracking with Polygon-Aligned sets of Objects in Animation Nodes 2.1

I'm attempting to add gun turret style tracking to objects that have been placed onto the polygons of another object using Animation Nodes 2.1. I'm currently attempting this with blender's built in ...
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12 views

Two point tracking - resize bone

I have two point tracking in video footage. When I get closer to the tracked object, the points get further from each other. Then I have 3D object matched to those tracking points, so I want the ...
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1answer
23 views

Orient an object relative to another and constrain distance to radius

I've got two objects: a cylinder and a cone. I want the cylinder to effectively act as a constraint on the cone such that the cone is always the same distance from the cylinder and the cone is ...
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Spline IK gets disabled on random frames (new depsgraph) / bone drivers get updated too late

I’m trying to get my Spline IK working. It’s behaving the way I want to, except for random frames where it looks like the Spline IK doesn’t get applied to the bone chain and the bones go back to their ...
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29 views

How to get an empty tracked by a camera to move smoothly between keyframes

I have constrained a camera to track to an empty, and I've constrained the empty to limit its distance from the camera to outside 5 m and inside 10 m. I have parented the camera with the track-to ...
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1answer
62 views

How to keep camera always in horizontal position?

The camera is following the path from top to the bottom, orbiting around the wires. I would like it to be focused all the time on the wires in horizontal position. Is there a way to exclude Z axis ...
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1answer
6 views

Does 'Inverse Kinematics' override other bone constraints?

Rig is for a quadruped, I have IK applied at second bone, but I want to place a limit on the to the toes, so that they can't go below 0 on the Z axis. Selecting the Limit Location bone constraint ...
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20 views

How to turn off camera's follow path constraint?

This question How can multiple Curves be used to control Camera movement? says that I can disable the camera from following a path by adding a keyframe and setting influence to 0 for that constraint. ...
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1answer
18 views

Is it possible to add a Child Of modifier without changing position of the child?

Currently, when I add a child-of modifier, the child jumps to the parent's head and rotates. Why is that? And more importantly, can I have blender not do that and keep the bone where and how it was, ...
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1answer
102 views

rotation copied every second circle

My question is pretty simple. How to make an object copy rotation of another object with same speed but only every second circle. I know I can animate that using keyframes, but I need to have in ...
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1answer
12 views

What are the advantages of separating FK and deform bones in an IK/FK rig?

In an IK/FK rig is there any advantage to having a set of deform bones (DEF bones) that are separate from the FK bones? This is opposed to a setup where you have one set of bones you make FK ...
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21 views

How to maintain pose bone's rotation after Copy Rotation Constraint?

There is tow pose bone in the scene, child bone is child of parent bone, and child bone is use inherit_rotation. So how to maintain child bone's rotation after add Copy parent bone's Rotation ...
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20 views

What is the “standard 3-rig setup”?

The comment on this ticket states that lagging from cyclic constraints can be solved be using the 'the standard "3-rig" setup'. What is the specific setup this is referring to? Is it still considered ...
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1answer
20 views

Objects move when initial pearenting is done

So in the bone constraints tab I want to make a bone_a a child of bone_root and I have to use the Make Child Of constraint in the bone constraints tab because of how my rig is, but I do not want any ...
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31 views

Stretch or extend curves dynamically based on mesh translation (or rotation)

I recently started using Blender for a project involving multiple cables (or ropes) connected to the same object. Let's say, for instance, this is my set-up: - two cylinders containing a rolled-up ...
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54 views

How to maintain Pose Bone Transforms in this particular situation?

There is three pose bone in the scene: "Stretch Bone" "Parent Bone" "Control Bone"; Stretch Bone is Stretch To Control Bone; Parent Bone is Copy Transforms of Stretch Bone; Three bone are independent;...
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1answer
20 views

Constrain vertex positions to moving objects?

I have a schematic of a mechanism on which I would like to superpose an animated 2-D line drawing (a simplified representation of the mechanism). I'm struggling with a few things, including how to ...
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16 views

Why does it not work when I use two object constraints in blender to control one object?

I got a question, does anyone know if the option to add object constraints is limited to only one constraint of the same type for an object, because when I try to add two copy rotation constraints, ...
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9 views

how to see limit rotation range visual arc

With the IK restraint you can limit rotation and see the range displayed as shown in the attached picture as the red semi circles. How can you visualize those ranges with the "limit rotation" ...
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1answer
15 views

How to show transforms of Child Of or Copy Transforms constraint

I am trying to find a way to make the transforms from a Child Of or Copy Transforms constraint visible. Let's say the bone is in its default position and with the constraint activated changes to a ...
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1answer
18 views

Constraint's target problem

I have two objects, human and fridge. I want open the door of the fridge with my human's hand. So... I need to do two different animations, one for the human and one for the fridge. But i got a ...
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13 views

What is the efficient/fluent way to Fill (F) between something Zaxis locked with a normal vertex?

I would love to hear an efficient way to go about having this FILLED (F), thank you!
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29 views

Explain Limit Distance Constraint 'For Transform' Behavior?

The Limit Distance constraint does everything I want, except that it allows the location channels to go outside of it's bounds while posing. My understanding is that the 'For Transform' checkbox is ...
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1answer
33 views

Strange twisted bone with Copy Rotation

I'm trying to use the Copy Rotation Constraint to let an armature copy another armature. The problem is, that the copied bone somehow is turned like 360 degrees around the x axis. What could I do to ...
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1answer
31 views

Copy rotation rotates through wrong axis

I want to rotate hand bone when I rotate IK bone as well. So I decided to using Copy Rotation constraint. Here's how looks like: Nothing special, important thing is that Hand Bone has Copy Rotation ...
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34 views

Automatic Door closer - Constraint problems

I'm not very successful with a automatic door movement with constaints. Below you'll find some images where I'll try to explain the matter. Yellow automatic door closer, it has a motor and it turns ...
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Constrain two parts to slide against each other?

I have a model of a machine that needs revolute and prismatic (or slider) joints. The revolute joints are each a pivot with one rotational axis. The prismatic joints are each a slider with one ...
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15 views

About local space in action constraint

As you can see the picture below, if you change the rotation value by rotating the parent object (box), the rotation value of the child object (monkey) is retained. Child objects have their own local ...
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26 views

Rigid Body Constraints Rapidly Twitch

So I'm trying to make a simple car with rigid body constraints, but when the wheels spin they rapidly twitch around. Any help? Everything else works but I can't figure out this.
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20 views

Object with constraint CLAMP TO a curve does not behave correctly

The eye centres of my character are objects clamp to a curve and move from left to right following a control bone. When the armature is in the position the character was created, everything is working ...
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0answers
17 views

How to use spline ik with curve with modifer applied? (How to use splike ik, for snake movement animation ?)

I try to use Spline IK Constraint to make "Snake move". I have armature with 4 bones, and I apply Spline IK Constraint to it. Its don't want to work with curve after modification, it uses curve ...
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13 views

Rigging, how do i keep my target at the bones position?

in my project, i want my target bones root(1) to always have the position of the given bones tip/root(2) even if i change my pose with ik, but i dont know which constraint would achieve it. And i ...
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1answer
14 views

I need to setup a camera to follow a character in blend4web

I'm working on a proof of concept for my comic companies website and want an immersive experience. To that end the goal is too put site visitors in the shoes of a character and have users "follow" the ...
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1answer
39 views

How can I parent a mesh to a vertex group?

I want my eyelashes to follow a strip on the lid but I can only parent it to 3 vertices of that polystrip. I tried the "child of constraint" and selected the vertex group that I want to constraint/...
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1answer
26 views

Copy rotation constraint adjusting influence doesn't work

In the gif below, I applied a copy rotation constraint to the lower bone of the upper arm. It is copying the rotation of the larger bone directly on top of it. While the influence is set to 1.00, it ...
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36 views

Object doesn't get motion blur in several frames

I made a robot animation with IK rig. After rendering, as you can see on image 2 & 4, the robot didn't get motion blur at all but the furniture still get the motion blur. image 1 & 3 works ...
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1answer
17 views

Bone Constraint Copy Scale on multiple bones in chain bug?

I'm trying to make a chain of 8 parented bones stretch on the y axis using the copy scale constraint and a separate controller bone, but using it with more than two bones causes all the parented bones ...
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1answer
27 views

How to make this object child of another object, and conform to a curve at once?

I have an Asteroid object. It's following a path with the Follow Path constraint. Now I have a Tail object. I need it to stick to the Asteroid object, and at once conform to a curve, the same path ...
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1answer
22 views

Rig with sticky feet and hands, how do I create arm swings? (ex: playing tennis)

I've been using this tutorial ( https://www.youtube.com/watch?v=Q9f-WVs3ghI ) to create sticky feet and hands for my character rig. Sticky feet I've noticed is pretty standard for character rigging ...
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26 views

How to make arrayed objects have independent rotation

How should I go about making an array (Modifier) of objects have independent rotation? The base has a "Locked Track" constraint to an empty, but if I move the empty (to move rotate the base) it only ...
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0answers
28 views

Limit rotation doesn't work properly

I'm working with car animation. I parented brakes to the wheels and add "limit rotation" for X and Y axis And its work fine when car moving along -Y direction But flickering from 0 to 180° on z axis ...
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16 views

How to join sword with pre-existing mesh and armature?

I want to say first that I've tried to find the answer to this 4-5 different times in different places, and I'm pretty desperate at this point because once I solve this I can move forward with a game ...
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1answer
118 views

Simple Inverse Kinematics for a slider?

I tried recreating something like this: https://www.instagram.com/p/Bk1tq1DgMRV/?taken-by=flvio.cc The head can move on the x and y axis. The model itself is done, but I just want to move the head ...
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2answers
35 views

Is there a way to create “snap to surface” constraint?

https://i.imgur.com/K8rOWnm.mp4 Here's a visual example of what I want to make (I did it by using "snap during transform" on "face" mode) basically I want to create a camera that's always offset X ...
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0answers
34 views

Collision detection for wheels for detecting vehicle air when using vehicle simulator

I'm using the vehicle constraint to simulate a vehicle in Blender Game. The documentation instructs to set the collision on the wheels to None. Hence The collision sensor doesn't work with the wheels....
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1answer
23 views

Copy rotation is twisting bone

I'm trying to implement a basic foot/leg IK system. I've added the IK constraint and that works fine, and I'm now trying to add a Copy Rotation constraint to my foot so I can control rotation via the ...
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1answer
48 views

Rigging a Wheel to Turn Corners: Drivers vs. Bones

The tutorials I've found show how to rig a wheel to roll automatically, in one direction (X or Y), in relation to the location of an empty or bone. I've managed to get the wheel rotation to work along ...
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0answers
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How to parent the eyes, teeth and tongue with rigify metarig?

I've been looking for a comprehensive guide to the Rigify metarig (the rig with all of those facial controls) but so far no luck. The audio of the PitchiPoy video is out of sync and it's just ...
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doubt in rigging

In the image 1: How can I move the "con eye" under "con root" since in Unity I can only select one root bone? In the second image I can see many con cheeks, con teeth, etc. in the dope sheet, but I ...