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Questions tagged [meta-objects]

Meta objects provide an implicit approach to modeling: instead of defining the surface of a model explicitly (as is the case with meshes and NURBS surfaces), the surface of a collection of meta objects is calculated with a mathematical function evaluated with the meta objects as input.

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Disruption of Size Deflect when using Metaball in a particle system

I created a particle system inside, placed the Emitter in an X-type MESH and assigned it the Collision property. But when the metabolites become larger, they fly out of the Collision object
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1 answer
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How to reduce or eliminate Metaball speckles?

I often encounter a problem where the rendered metasurface is not smooth -- and often it's least smooth in Cycles. I like to make them shiny and discontinuities in the surface lead to speckled ...
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1 answer
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Metaball not appearing when added

Metaballs or any other meta object don't appear when I add them but the adjustment rings around them do. I've seen people having problems with them not appearing in a render but mine never appear. ...
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1 answer
28 views

Render keyframe with changed location without applying it

Simple project with my problem: I create a new project I insert a keyframe in 0 I duplicate that object with same keyframe I move my new object to random X location now I see both in viewport: but ...
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1 vote
1 answer
93 views

How to animate metaballs as condesate drops

Hi (: How can we animate the metaballs so they can really slowly move down on a can, like on a real condensated surface I tried a little bit with the particle settings but things were going really ...
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127 views

Traceback (most recent call last): BlenderGIS

I'm using the BlenderGIS add on. When importing digital terrain models (or DEMS) which are ESRI ASCII Grid (.asc) files, I get this error message. I'm pretty new to blender but trying to create 3D ...
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133 views

Converting mesh to metaball?

Is there a way to convert mesh to metaball? I've been looking for tutorials and found how to do it backwards (convert metaball in mesh) but couldn't find them.
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1 vote
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72 views

How to get fluid to behave like droplets on a hydrophobic surface

I am trying to create an animation of the scene shown in the picture below. I want all the little fluid droplets to be attracted to the big one in the middle and be absorbed by it. I have tried using ...
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1 answer
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How do you combine a sculpt mesh with primitives for 3d printing?

I created a crystal mesh 130mm x 120mm x 250mm high for 3d printing using sculpt. Now I want to add a tube within it and add some scaffold primitives to the inside of the mesh joining the tube for ...
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How can I animate two objects merging smoothly, similarly to metaballs?

I want to achieve the effect of an object being smoothly swallowed by water - on contact the two objects should have a gradual transition, instead of an ugly rough seam at their intersection. ...
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2 votes
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173 views

Metaballs and Soft Body?

I'm trying to animate tiny paint droplets sliding and merging on a smooth surface. I want them to look semi-realistic so It'd be better If they shook like a less dense jelly. So Is it possible to add ...
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4 votes
0 answers
163 views

How to stabilize Random Per Island for Meta Objects

I have a very basic AN setup where I vector jiggle the position of meta ball instances for a lava-lamp-like motion. I wanted to change the color as soon as an individual Meta Ball disconnects from ...
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Is there a way to apply a boolean modifier to a metaball?

Is this possible with Animation Nodes? If not, how do you convert a metaball to a mesh that can then have modifiers applied, and by extension can you do this simultaneously for multiple frames of an ...
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128 views

How to create a liquid meniscus/bridge between two surfaces

I'm trying to model a water droplet between two plane surfaces such that it forms a capillary bridge as soon as the surfaces get into close proximity of each other like in the first figure of this ...
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1 answer
103 views

Is there a way for particles on a curve guide to collide?

I have a Icosphere linked to a Metaball, which is following a curve guide, and I would like for the particles to fill up the box in the image you're seeing, instead of vanishing. Is there a way to do ...
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4 votes
1 answer
122 views

How to write EXIF data in rendered images?

I'm trying to render an image in cycles. version 2.83.5. trying to write metadata or Exif data into the image. In the output channel, I ticked every box on metadata. But I didn't find the EXIF data ...
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1 answer
389 views

Need help with Rigify in Blender v2.83 not working

Working on a personal project for my class assignment. Set up a Metahuman on my mesh but got below error when I went to Rigify?! This was a stock/default Metahuman from Blender so I can't imagine why ...
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100 views

How to turn off metaball lines in blender? [duplicate]

I am going to do a viewport render (as I can't render in eevee as the material/gloss goes flat in the metaballs) - you can see in the image. I just want to remove these metaball black lines around ...
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1 answer
248 views

Create new Metaball family

I'm trying to rename my metaball. If I hit f2 and rename it, the body part disappears in the viewport. If I switch to rendered mode I can see it, but not select it. Is this a bug? How do I get around ...
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Metaballs disappearing when renamed

So like I said in the title I have an issue with metaballs disappearing when renamed, only leaving the outline visible. For renaming I followed this guide https://youtu.be/Y7R2_F-ZukQ?t=330 and I do ...
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2 votes
1 answer
479 views

get this gradient style in blender

I'm trying to get this gradient style: My best result are with eevee with volumetric and gradient on a metaball, but i cannot figure out how to get the gradient fill the totally of the metaballs like ...
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27 views

How to make metaballs particles appear only inside an object?

I need to have a particle system with metaballs that floats around but appear only inside an object, like if I was using an boolean intersect modifier, are there any other way?
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2 votes
0 answers
56 views

Why are metaballs created with twice the input radius?

I am relatively new to working with Metaballs and am confused by something quite basic. In Blender 2.82 (latest release), when I add a new Metaball and specify a radius, the radius that is actually ...
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2 votes
2 answers
941 views

How to Properly Unwrap Metaball, Metaball animation

I have a Metaball animation running with animation node. I want to project the UVs from the surrounding sphere to the metaballs so I can have the textures applied without artifacts (you can se in the ...
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How would I make a slime blob like this image?

Wondering if anyone knows the best way to build a model like this? I'm new to Blender. I've tried several tutorials, working with the metaballs and such but I can't get it to look right. The aspect I'...
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Rearrange vertices

I've just been aware of the existence of the "metaball-mesh" which seems very interesting, but when converted into a mesh, the vertices are arranged really messy, and it doesn't even mirror correctly. ...
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1 answer
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Metaball Active Element Panel is missing

I've been getting to know meta balls in Blender 2.82 and often find that at some point in Edit Mode, the Active Element panel goes missing for all but one element in a family. I'm trying to understand ...
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1 vote
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272 views

Is there a way to displace or randomize shape of metaballs? Achieve effect like this?

Ok, Im trying to create a cartoonish effect in eevee somewhat like the fire and the energy ball by Violet here - Specifically what Ive tried so far (to mimic specifically the distortion on the energy ...
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2 votes
1 answer
313 views

What is the difference between a meta-object and a mesh

I have been using Blender for a year now, and I have wondered many times,"What is the difference between a meta-object and a mesh?" What exactly is the difference? Why can a mesh not be calculated ...
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1 vote
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164 views

How to create a slime bounce cycle?

How can a get a meta-ball to do this repeatedly, while dropping pieces on every landing?
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5 votes
3 answers
2k views

How to reduce thousand of faces of an already low poly object

Let me ask you a little question. I have an object, a 3D already low poly unicorn that has 183,159 faces and I need it to make it on paper (via pepakura) . I usually use MeshLab to reduce any number ...
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318 views

Why don't metaballs show up in group instance? [closed]

I created a particle system, with metaballs as my object. I then added this particle system and a few other objects to a group. When I add a new instance of that group, the metaballs are not visible ...
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1 vote
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160 views

Blender 2.8 Metaballs update 'never' is not working, seems to always update even with never turned on [closed]

I have a complex network of metaballs that I generate using my python script. I would like to (as I do in 2.79) set the UPDATE property to 'NEVER' while I'm generating them; vastly improving speed. ...
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3 votes
0 answers
419 views

2.8 Metaball Animation -- viewport metasurface doesn't update

I am new to 2.8. I have a metasurface made of three objects, each with some number of metaballs. The metaballs are animated -- the keyframes are inserted on each element's location and radius ...
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0 votes
2 answers
642 views

Can only select one metaball any others are only conneteced to the first

Hi when I add in metaballs only one can be selected and moved, moving it rotates the other balls, and I can't move the others, this is only with metaballs. Here's a video showing what I mean https://...
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1 vote
0 answers
36 views

2.8 crashes when choosing "quick explode"

I was wandering if anyone has the same issue and can it be fixed. In the drop down objects box choosing Quick effects then quick explode it is closing the blender down. However I have checked all ...
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1 vote
1 answer
1k views

Metaballs show in rendered viewport but not in actual render?

I have a particle system that emits metaballs in Blender 2.8 eevee. My settings: They don't show up in the render - not the object itself nor the metaballs emitted. In the rendered view they show up: ...
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2 votes
1 answer
287 views

Disappearing metaballs when creating with Python

I have created a simple addon that creates a series of metaballs. Sometimes when the addon executes, the metaballs are rendered invisible (as only outlines, no surface). Usually the metaballs seem to ...
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0 votes
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20 views

Is there a way to colour meta objects without turning them into meshes?

Reason being I want to animate them as blobs - once they’re meshed they lose their blobbine nature. I'm interested in creating this sort of dripping effect, applying it to this character made out of ...
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3 votes
1 answer
359 views

Duplicate meta-Ball with Animation Nodes

I set my AN settings on a meta-ball to 20 instances to create something similar to a little brainy blob in motion. I'd like to duplicate it many times, like an array that includes the animation. Is ...
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2 votes
1 answer
224 views

Flip normals on Metaballs?

I would like to use metaballs for interior design (cave) via backface culling. Is there a way to flip their normals? :p
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1 vote
1 answer
284 views

Frame-Duplicated Metaballs not rendering in Blender 2.79

I am trying to create a flow of water by duplicating metaballs along a curve. I've gone through the motions of creating a curve and a metaball, setting the Parent ...
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1 vote
0 answers
124 views

Accurate modeling of a sessile drops (like dew droplets)

Is there some relatively easy way to generate drops, like dew, on a given object/scene? I'm interested in some kind of real simulation of fluid-surface interaction (would like to specify surface ...
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  • 111
0 votes
0 answers
205 views

How can I add a description to an object

Question: How can I add a description to an object. Preferably being able to shows this on top of the object, as an overlay. And that the description can be toggled to show/hide. Background: This ...
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2 votes
1 answer
1k views

Exclude one metaball from interacting with another metaball only

In the image below, Is there a way to make A and B not interacting with each other, but both interact with the U meta-balls? I need to prevent A (specific metaball) from connecting to B even if there ...
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1 vote
0 answers
79 views

how can i create this floating blob look with metaballs? [duplicate]

primarily using metaballs, how do i get this floating rippling & blinking affect?
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6 votes
1 answer
2k views

Change Metaball stickyness

I am using simple Metaball objects to create a very simple key-framed animation where two objects collide and "stick" to each other. The natural elasticity and stickyness of Metaballs makes it very ...
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4 votes
0 answers
396 views

Long and thin connections between 3d metaballs

Is there a way to create the effect of these long and thin metaball connections in Blender? This image is a screen capture from http://paperjs.org/examples/meta-balls/ I Personally haven't had much ...
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3 votes
1 answer
359 views

How can I find the selected metaball elements in Edit mode with Python?

If you have an active object you can find the currently selected sub elements; e. g. in an active mesh you can find the selected vertices while looping over them and check the property ...
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9 votes
1 answer
2k views

Cannot duplicate metaballs

I made a little cloud using Metaballs: I would like to duplicate the Metaballs to a different layer to back up this cloud, then convert the main layer's Metaballs into a mesh. When I select the ...
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