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Questions tagged [shape-keys]

Questions related to using and manipulating Shape Keys. Shape keys are used to deform objects by transforming the locations of control points over time. There are two kinds of shape keys, Relative and Absolute.

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Python: Commit Shape Key deformations (for all selected objects)

I want to be able to "commit" (or "realize") all Shape Key deformations on multiple selected objects using Python. By this I mean: create a New Shape From Mix, then delete all ...
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How to move bones with shape key

A shape key for a model Im working with makes the legs longer. The issue is that the bones look offplace due to the mesh changes. Is there a way to make necessary bones move with the shape key to make ...
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1 answer
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Is it possible to drive a procedural texture eye from a shape key?

I used 'FaceIt' to create some shape keys that also control eye movement. Since my eyes are procedural, I used dummy spheres for the eyes to bind the rig. The dummy eyes move fine with the shape keys,...
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How to quickly apply subdivision modifier to mesh with many shape keys?

I am wanting to apply a subdivision surface modifier to a mesh, but I can't because it has shape keys. I tried to get help from this question: Shape keys and applying subdivision surface modifier but ...
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3 votes
2 answers
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Map a Shape Key to Be from 0 to 1?

I'm trying to make shape keys for a mesh. I had them set so that there were negative values (less than 0 for min range) and positive values greater than 1 (greater than one for max range). For example....
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1 answer
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Drivers not working

Im trying to make driver for shapekeys but for some reason it doesn't work for me. Basically when I add driver to the shapekey it's shown as "mute" in the drivers editor and it doesn't work. ...
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ARKit facial tracking, mesh distortion when multiple shapekeys active

I'm making a model with ARKit facial tracking, and am having issues with having multiple shapekeys active at once. With only one with a value above 0, they make the correct shape, ie. jawOpen: This ...
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How to transfer shape keys with drivers applied?

I'd like to select a shape keyed object and transfer these shapekeys selected objects with their value and drivers. https://github.com/fblah/ShapeKeyTransferBlender Using this addon to transfer Shape ...
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1 vote
1 answer
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The Shape Keys disappear when exporting with modifiers

It seems that there is a problem when exporting a mesh with modifiers and shape keys. It works when the modifers are applied before, but I don´t want to make all the shape keys again, Is there any ...
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1 vote
1 answer
23 views

How to use bones to control the shape key checkbox

I'm a dump.... When I making my rig, I somehow knew how to control the shape key's checkbox by the local location of the bone. here is how it work looks like: And recently I find a bug of my rig. ...
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1 vote
1 answer
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Copying drivers and transform_space attribute

I am trying to copy shape keys drivers from one mesh to another. For some reason when I copy over the variables attributes the transform_space attribute doesn't change. I am printing the attribute ...
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1 answer
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Is there a maximum amount of shapekeys I can have?

Is there a maximum amount of shape keys I can have for a mesh, or is it unlimited?
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7 votes
2 answers
156 views

How can I convert two numbers to 0 - 1 range in Driver Scripted Expression?

I have a shapekey driven by a bone. I want to configure the shapekey's driver such that scaling the bone to 0.3 results in a shapekey value of 1, and scaling the bone to 1 results in a shapekey value ...
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1 vote
1 answer
23 views

Toggle "this == true" when "other thing == true", elif "other thing == false"

I'd like to control toggle of the shapekey visibility with empty object. I have an "Empty" object in "Shapekey_1" collection which is under "Shapekeys" collection. I want ...
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0 votes
1 answer
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How to merge eyelash into face mesh and shape key?

I made face shape keys, then I copied a new separate eyelash from someone else. It is made from a curve. I want to merge the eyelash into the face shape key, how? As the shape key must be for one mesh,...
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What causes a exported/sculpted/imported mesh as shape key via obj/fbx to blow up when shape key is applied?

Say that I have a very complicated .blend file that contains a mesh I would like to create a shape key for. It seems I should be able to export only that one mesh in .fbx or .obj, import it in a clean ...
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A better workflow possible? Blender + Mixamo -> Godot

So I've had a lot of difficulty getting assets from Blender to Godot - my workflow is functional, so I'm documenting it here for posterity, but small changes are a pain to implement. I'm a blender ...
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1 vote
1 answer
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Blender Python: display dropdown enum using bpy.context.active_object.data.shape_keys.key_blocks.items()

My Goal is to have 4 dropdown lists of shapekeys in a 3D view panel, allow the user to select 1 shapekey in each dropdown, and then reference those user-selected shapekeys in scripting that modifies ...
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Driver for shape key does not work along local space

So I am working on a project that requires an armature, I generated a rig with rigify and a few of the facial animations I created, I used shape keys to manage them. For a human meta-rig, I was able ...
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0 votes
1 answer
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Where is the cursor for Driver Editor?

I'm trying to create corrective shape keys using the Driver Editor. I've looked up tutorials on the web but I seem to be the only one who's missing a cursor like in the graph and timeline editor which ...
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0 votes
1 answer
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Shapekeys Drivers

Blend File I made my first shapekey react to the left tight X rotation , but it's isn't perfect , how can i fix this? The shapekey's deformation do not start soon enough. PS: Left thigh forward ...
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1 vote
1 answer
19 views

Corrective shapekey bone rotation

When i set up my shapekey to react to a bone rotation , it will only react to a positive value. How can i make it react to a bone negative rotation instead? I only get " x rotation " in my ...
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3 votes
1 answer
37 views

Mixing both for expressions using shape keys

I want the eyes to be wide at the same time. The shape key is first used to shape the eye hole, then the shape key is used again to shape the eyeballs. However, I do not know how to fix it. Is there a ...
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3 votes
1 answer
37 views

Shape Key: Delete Specific Driver

I'm trying to delete the driver of specific shape keys. I have used the code below, which deletes a shape key, using key_idx to select an entry key from the list. <...
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Shape key animation doesn't match movement?

I rotated my eyelid on the x axis and when I play the shapekey it just goes through the eye instead of rotating along the x axis?? I found a video showing how to download some code and add x y z axis ...
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2 votes
1 answer
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How to edit mesh design normally after applying shapekeys?

So I created some shapekeys for my character, however, I noticed I need to edit the mesh to form a new design. When I try to edit the mesh, it still apply's to my last shapekey I created, hence when I ...
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2 votes
1 answer
25 views

Mirror X Axis Tool Not Working on Specific Vertex, but works on others?

Is there a way to reset my mesh or fix my vertex that won't mirror along the X axis? In the image below you can see it works on multiple points But for this one vertex, the mirror isn't working and I ...
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0 votes
1 answer
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Rig Soda Can Opening Tab

I need to animate a soda can opening. So far, I have used some shape keys to distort the flap on the top and etc, but it's not working very well, specially for iterations. I am not good at rigging, so ...
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How to add shape keys to high poly model?

I'm trying to add muscles shape key to my high poly character (~1 million faces). I'm using a Multires modifier to unsubdivide the mesh to ~65000 faces, but with sculpt parameter=2 to get more details ...
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1 vote
1 answer
46 views

Keep Shape Keys After Modifier was Apply

I wanted to duplicate a body mesh and remove some parts of it to make it look like a shirt, and that's almost done. Now the mesh look like a shirt but I needed to add a Wireframe modifier so it turns ...
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Mesh modification by Proportional editing in Shape keys

I am using Blender 2.9.3.4. During character creation process, after rigging, whenever I add shape keys and then modify the mesh with Proportional editing, in edit mode. It is found that proportional ...
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35 views

bone twisting hand to forearm geometry too much

I have a classic case of the twist wrist and I found a tutorial to fix it quickly without using shape keys but its not really doing an acceptable job. can anybody tell me how to do it with shape keys (...
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Copy Shape Keys AND Shape Key Keyframes to Another (Identical) Mesh

i need to do this in 2.79 (because reasons), but am willing to look at methods for any/all versions. i have a weight-painted mesh object with shape keys. the shape keys are keyframed. the setup i'm ...
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1 answer
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Rotating whole object for other shape key

I have made this pretty little eye lid here: and I added a lattice to deform it, so it doesn't go beyond the border. (It's actually a half sphere) Now I want to have a second shape key, where the eye ...
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Mesh issue - Seperate objects on rigged character moving apart when animated

I modelled the collar on my character seperately from the jacket. Now when I change the pose, as the entire mesh is parented by automatic weights to the rig (rigify), the objects come apart as they ...
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4 votes
1 answer
149 views

Is it possible to omit a vertex group from conforming to a shape key?

Is it possible to omit a vertex group from conforming to a shape key? I want to activate a shape key slider to change a mesh and have a selected vertex group stay in its basis position while the other ...
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0 votes
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Turn Newly Created Keyframe Animation Point into the Base Shape Key

I am animating the body parts of a human body model. The model itself is the base shape key. I created a second shape key to animate the arms. It has five keyframes that incrementally grow the arms. I ...
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2 votes
1 answer
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Getting maximum value of shapekeys eval_time(python)?

Say, I have an object with multiple shapekeys on it. Unchecking "relative" option gives me "evaluation time" parameter. And the last shapekey has exact maximum value of the "...
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How to apply vertex data of bone constraint deformation to other mesh?

I'm using Blender 3.0.1 and the add on X-Muscle System from the blender market. I'm trying to add a mesh deformation achieved by that add on, which is basically a bone constraint to an empty, to apply ...
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3 votes
1 answer
61 views

Export Shape Key Animation without Geometry

I was wondering if there is a chance to export a shape key animation from blender (as .fbx) without actually exporting the mesh. The reason why I am asking is, I want to use and import that animation ...
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3 votes
1 answer
48 views

Rename Shape Keys with Python?

I'm trying to go through each shapekey on an object and rename them with script I'd run through the text editor. For example, if I have 3 shapekeys, and I would like to change the names of shapekey 1 &...
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5 votes
1 answer
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Issue with shape key making

So I've been trying to make some shape keys involving the lips of my character's head. However, when I attempted to do so using proportional editing-smooth, I'm encountering an issue: If I try to move ...
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control shape Key with bones local distance to specific vector?

I want to control a shape key with a driver that is controlled by a bone. The bone should have lets call it a "goalVector" in its local space for example [0.5,0.5,0.5] from its local [0.0,0....
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0 votes
1 answer
25 views

What Shape Key affects a certain vertex (what Shape Keys is a vertex influenced by)?

I am trying to find what Shape Keys might be (incorrectly) influencing a vertex on my character mesh, an example might be an index finger that influences an ankle vertex. I see how I can select a ...
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animation of a seed germinating and growing into a plant

I'm looking to animate the time lapse of a single seed growing. Link to YouTube reference is at bottom here. The plant needs to be physically accurate, ie. not stylized. The amount of time needed for ...
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Shape Keys Interacting with Image Textures?

So I'm struggling to find resources for this online, so here I am once again. My character's eyes are 2D image textures on her face. I wanted to make a shape key for each of her different eyes (blink ...
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Save Custom Property to Shape Key

I'm trying to save a StringProperty to the shape keys of an object. In the past I've used bpy.types.Object to save Props to an object, and ...
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How to create this abstract animation in Blender? [duplicate]

How to create this abstract animation in Blender? I don't know how to make the object rotate in this way? I tried to add Shape Keys, but doesn't work. Here is my blender file: https://drive.google....
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1 answer
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Is there a tool to erase out or reduce delta from a shape key? Like Morph brush in zbrush or Erase brush in Mudbox?

When you are using many shape keys for your sculpting, you can decrease the value of a shape key to reduce your sculpt amount. But it will apply same value reduction on all the sculpt in the shape key....
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0 votes
1 answer
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How do I link/snap vertices or edges of two seperate objects with Shape Keys?

So what I need to do is join the verticles along the edge of each body part (neck and torso) so that they stay together when I manipulate the vertices with Shape Keys (which I've already done, so ...
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