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26
votes
1answer
2k views

Is it possible to simulate an egg?

Is it possible to simulate an egg? Specifically, I was wondering how to handle simulating the yolk. I was thinking fluid simulation, but it seems you can't a specify different viscosity for ...
26
votes
2answers
79k views

How do I convert a triangle mesh to a quads one?

I'm throwing a 3D triangulated mesh into an acoustic simulator. The simulator instructions say that ideally it wants quads. If it receives triangles, it will consider them as a degenerate quad (i.e. ...
26
votes
2answers
18k views

How to Construct a Diamond or Other Gemstone Material in Cycles

What would be the material or shaders node set up for a smooth gem in blender cycles engine? I want a result similar to this image:
26
votes
4answers
20k views

Glow with depth in Blender?

What would be a way to create a glow in Blender. For that purpose I've been always using the compositor. However, that is pixels work, which means it is a 2d work. To make a 3d one, do I have to use ...
26
votes
1answer
24k views

How to change Blender's default startup settings?

How can I change Blender from the default cube/lamp/camera default setup? Also, is it possible to change other features, such as the default view direction (Top, Side, etc) or the Editor type (3D View,...
26
votes
1answer
44k views

Why can't I import a SVG file from Adobe Illustrator or Inkscape?

I've tried multiple times to import a SVG file from illustrator CS5.5 to Blender 2.71 and 2.73. However, I do not see a mesh, curve, or anything pop up in my "Outliner" window. So I know its not so ...
26
votes
3answers
34k views

How to get selected edges length?

I have a female model and I want to know her waist width, so I select the edge loop, then use what tool? Is this only possible with python?
26
votes
3answers
8k views

How can I generate an object from a mathematical function?

I have a formula that mathematically describes the heart surface in Cartesian coordinates: $$\left(x^2+\frac{9y^2}{4}+z^2-1\right)^3-x^2z^3-\frac{9y^2z^3}{80}=0$$ Unfortunately, I have no idea how ...
26
votes
2answers
6k views

What is the difference between Sobol and Correlated Multi-Jitter sampling patterns?

In Cycles we have two options for sampling patterns. The default is Sobol, there is also Correlated Multi-Jitter. The manual has this to say about sampling patterns: Pattern Random sampling ...
26
votes
3answers
12k views

Cycles: Shadeless “Shadow-catcher” Material for Rendering onto Footage

I am superimposing CGI over video footage, and have run into a problem in making materials for objects that act as 'shadow catchers'. Essentially I want a shader that is shadeless—like an emitter—but ...
26
votes
4answers
2k views

When is it useful to mirror?

Having discovered the mirror modifier I have been assuming I should always use it when modeling a symmetrical object. For instance, take a simple stool. Is it more efficient to model one half with a ...
26
votes
3answers
20k views

Can Blender export to the COLLADA format?

Can Blender export to the COLLADA format? I tried going to File → Export, but COLLADA was not an option. I'm using Blender 2.66.1 on Ubuntu 13.04.
26
votes
3answers
62k views

How to deselect using box select?

How do I deselect using the box select tool? I have read about middle mouse button and some other shortcuts but they don't work for me.
26
votes
3answers
23k views

How can I use my Blender models in WebGL

I would like to create WebGL applications and use Blender as a modelling tool. I don't necessarily need to translate game engine functionality to WebGL but I would like to retain as much of the UV ...
26
votes
1answer
110k views

How to import a .mtl file?

I am new to Blender. I downloaded a .obj file of a plant model. When I unzipped it I found two files (.obj and ...
26
votes
2answers
13k views

Could someone please explain gimbal lock?

I have read the Wikipedia page on gimbal lock, and am still confused about the entire matter. My understanding is that, using a local coordinate system, if you rotate a model about its X axis then ...
26
votes
3answers
5k views

Is it possible to change the emission rate of particles over time?

Is it possible to change the emission rate of particles over time? E.g. Start off with an initial burst of particles, then emit at a steady rate. Here is a (poor) example of what I mean by the ...
25
votes
2answers
9k views

How to animate noise texture “seed”?

It's possible to animate a change noise texture by animating the texture coordinates with a mapping node or by animating the texture space, however this only works on one axis at a time (on the other ...
25
votes
1answer
6k views

How to create piles of snow on a mesh?

For example on tree branches like this: Image from Wikimedia commons
25
votes
4answers
12k views

What is Ambient Occlusion?

What is Ambient Occlusion and what are some of it's uses? I see it is used in creating what might be called "shadow catchers" in the following node tree setup:
25
votes
2answers
30k views

Is it possible to apply modifiers to multiple objects at once?

You can copy modifiers from one object to other objects with CtrlL> Make links > Modifiers, or the Copy attributes addon. However, is it possible to apply modifiers to many objects at once?
25
votes
4answers
14k views

How to install Pip for Blender's bundled Python?

Blender comes with Python, and includes a stand-alone Python executable. However pip is not part of the official Python distribution so it needs to be added separately. How do you setup ...
25
votes
2answers
25k views

How to solidify edges

I have a complex mesh with only vertices and edges that I want to solidify. The problem is I just want to solidify edges (not any faces) to have some kind of fat wireframe model (i.e. just every ...
25
votes
2answers
64k views

No file output after rendering?

I usually am able to render successfully to the c:\tmp folder, but when I came into work today, I rendered out the image on my work laptop, and everything seems to ...
25
votes
1answer
16k views

what can you call from the attribute node?

I know you can call density or flame for example from the attribute node. I was wondering what else you can write in the name slot. And maybe a bit of explanation of the attribute node. thanks in ...
25
votes
3answers
71k views

Zoom in and out without a mouse wheel

I am using blender on a tablet, for those times when I can't plug a mouse into the tablet, I would like to still be able to zoom in and out on the viewport. What ways are there to zoom in and out ...
25
votes
3answers
18k views

Select every other face loop

How can I select every other edge loop. In this example its not too bad to do it manually but it other cases it might be. How can I easily select alternating face loops?
25
votes
2answers
16k views

How to Create Dust Floating in the Air?

Quite impressed by all of Gleb Alexandrov's scenes with some amazing dust floating around. (To see what I'm talking about > http://www.creativeshrimp.com/lighting-tutorial-atmospheric-effects-dust-...
25
votes
3answers
780 views

Creating an implant for spinal surgery - workflow questions

Pretty new to Blender here and with a pretty specific set of questions. The situation: I'm a vet looking to operate on a dog's spine. I want to put screws in a very specific location to avoid ...
25
votes
1answer
933 views

Closing “Fibonacci's Hole”

Creating a sphere using the points defined by Spherical Fibonacci Mapping. For the most part it is easy to "skin" by using two consecutive fibonacci numbers as steps to loop on the index. And get ...
25
votes
2answers
1k views

How to understand the math behind Andrew Price's embedding his beer within his glass

I just watched the Blender Guru video How to Make a Beer in Blender and stopped at the point where it advises us to make the liquid slightly larger in diameter than the inner diameter of the glass - ...
24
votes
2answers
16k views

How to create a custom UI?

I was watching this video on making a custom UI tab using Python, and in the line from bpy.types import Menu, Panel, UIList, I see the names of objects that look ...
24
votes
3answers
11k views

What are the hotkeys to navigate the timeline?

I am looking for a way to move the timeline a specific amount, scroll, etc. even if the Timeline window is not open. Is this possible?
24
votes
4answers
58k views

Isolate or hide specific parts of an object in edit mode

I am just modeling an Audi R8 in Blender. I've already modeled more than half of the car. I've also modeled the front and now I want to model the back. But this is a bit difficult because when I am in ...
24
votes
2answers
33k views

How can I animate the camera in a perfect circular rotation around a fixed position?

I have an object at a fixed position in 3D space. I would like the camera to circle around it while facing it. I want to path of the camera to be circular in 2D, meaning that it does not move up or ...
24
votes
7answers
71k views

How to render cartoon style with completely flat colors?

How to render perfect cartoons in blender? Whatever the engine is (internal or cycles) I always get that shading transition somewhere on the model. The first picture is in blender internal render ...
24
votes
5answers
24k views

What will happen with Blender 2.8 game engine?

Blender has just purged the entire game engine from 2.8. There is no "Game Engine" mode anymore and there isn't even a logic editor. I tried installing a GitHub Blender release with the game engine ...
24
votes
2answers
16k views

How can I get better results when doing camera motion tracking?

Whenever I do camera tracking in Blender the reconstruction is always zooming out or not on the axis. I have a great quality camera, but the end results of the camera tracking always has the model ...
24
votes
8answers
25k views

How to Combine two Normal Maps?

I made a high poly model and then baked its textures onto a low poly model. Now I want to give another normal map's details to the model. How can this be done?
24
votes
2answers
7k views

Why does Blender use so much memory for large textures?

Using a single 6K texture at only 227kb in size, spikes the memory usage to a crazy 144mb of memory in Blender. It was brought up in this bug report, but closed. Why can image editors (Photoshop/...
24
votes
1answer
30k views

Planet texture generator

What cross-platform (or cross-browser) resources are available to help make texture maps for generating beautiful planetary images using Blender (Cycles)? Ideally, these would include: Terrain maps (...
24
votes
5answers
55k views

How do you return to the default view (the one you see when blender starts)?

I cannot find any menu or keys that return blender to the view that you see when you start blender. Using save close and then open again but it must be easier than that? How do you change the view ...
24
votes
2answers
33k views

How to display the edges of a mesh while in Object mode?

I sometimes like to view my models in wireframe mode, but it doesn't show individual faces, only lines representing the general formation of the object. With subdivisions (especially) this does not ...
24
votes
3answers
77k views

How to save render?

Every time I render an image and try to save it, it just disappears. How do you exactly save a render? I am using a mac.
24
votes
6answers
34k views

How to set a specific edge length numerically?

I've got this question from one of my best students. The question is the following: Suppose, that we have Edit mode with some edges, vertices, etc. How to set a selected edge to have a specific ...
24
votes
7answers
1k views

Tips and Tricks with using blender with one hand

Long story short, I was recently diagnosed with glioblastoma. I had surgery to remove one of the tumors and because of the surgery, I am paralyzed in my left arm. Hopefully, it's only temporary. I ...
24
votes
2answers
31k views

Possible to bake texture to new UV map?

I have a finished model where the UV maps overlap - lots of wood that isn't detailed to be particular to the model. I'd like to re-map the texture so that specific details can be added. I'd like to ...
24
votes
3answers
20k views

How do I scale from one side side only?

How do I scale from one side side only? I want to keep the left side of a object in place, but scale it smaller from the right. See this screen shot: I want it to end up like this: But I had to ...
24
votes
1answer
7k views

How do texture coordinates work?

How exactly to texture coordinates work? I know they are represented by vectors, but how does a vector store texture mapping information? How does each type of texture coordinates work and what are ...
24
votes
4answers
13k views

Cycles hybrid rendering

The Cycles render engine can render both on the CPU and the GPU. I often render over-night so I do not need my computer to be responsive. Is it possible to render with Cycles using both the CPU and ...

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