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30
votes
1answer
3k views

How to make a “reflective tape” material in cycles?

How can I make a cycles material that gets very bright when a light is shown on it, yet still has normal colors? I'm talking about the "Retroreflective sheeting" that can be seen on road signs, the ...
30
votes
3answers
46k views

Is there a shortcut to repeat the last operation in Blender

I'm currently doing a lot of UV mapping work and I find myself repeating the same long shortcuts over and over. For example, aligning the selected uvs in y can be done by pressing s, y, 0 (scale y to ...
30
votes
3answers
50k views

How can I manage multiple animations in one .blend file?

The way I currently use animations is just one long timeline. All my separate animations are lined up back to back on this single timeline. I keep the start/end frame numbers in a separate file. This ...
30
votes
2answers
103k views

Render not showing UV texture

I have added a texture to a cube in the UV editor and it shows up fine in textured view But when I render it there is no texture What have I done wrong?
30
votes
2answers
4k views

Can I use a custom Splash screen?

The default Splash screens are cool, but I'd like to add some of my own work to remind me of how awesome I am (no, not really). Is it possible to customize/change the splash screen?
30
votes
2answers
137k views

How to show textures in the 3D View editor?

I have added some textures to objects in blender but the textures don't show up until I render the file. it can be difficult to know what the objects look like without rendering it. is there a way to ...
30
votes
3answers
9k views

What is the difference between the displace socket and a bump map?

Aside from the fact that you can control the bump mapping per shader with a bump node, are there any differences between these materials? As far as I can tell, they are the same. Is the displacement ...
30
votes
1answer
3k views

Best place to put bug reports?

What websites or other resources do users of Blender have available to them to report bugs or problems with the program? I would like to get this issue cleared in Q&A format so that we can link ...
30
votes
1answer
3k views

How can Blender be augmented to display color critical and accurate results?

If I need to use Blender within a colour-accurate workflow, what do I have to do to set that up (including hardware calibration, etc)?
29
votes
7answers
9k views

Organic yet accurate modeling with the golden spiral

Foreword First off, let me say that I am profoundly amazed at the orderliness in nature. If you haven't heard about the Fibonacci sequence (0, 1, 1, 2, 3, 5, 8, 13, ...), you should check it out. ...
29
votes
5answers
53k views

How to merge two edge loops

This is a Q&A so I answer it myself. I searched for an answer to this question for ages and didn't find anything so I'll add this here if anybody else struggles with the same issue. So, how can I ...
29
votes
5answers
58k views

What is the fastest way to create a curved plane?

For a background, a lot of times I need a vertical wall, horizontal bottom, and a nice connecting curved surface between them in front of the camera. So far, I have used two methods: Deform a plane ...
29
votes
3answers
56k views

Sliding a point along an edge?

I have a line with a point in the center (2 edges with 3 points that forms a straight line). How do I slide the middle point along the straight line it resides on?
29
votes
4answers
76k views

Why are all the textures in my file pink?

I made a character, and its one of my first times texturing, and I saved my character into a new folder, and when I came back to the model ALL the textures were pink, I used to know what to do, but I ...
29
votes
2answers
115k views

How do I bake a texture using Cycles bake

I created a interior scene and i don't know how to bake a texture using cycles bake.
29
votes
3answers
34k views

What is the fastest way to add vertices to a curve at a specific point?

For example, in inkscape you can double click to add a new control vertex: Is there a way to do that in Blender? The closest thing I have found so far is CtrlLMB, but it just adds an unconnected ...
29
votes
4answers
68k views

How can I quickly move/translate an object to the center location/position of another object in a static scene?

This question relates to positioning static objects while modeling. This is not a question about how to move objects dynamically/programmatically like in a game context. For example, I need to ...
29
votes
2answers
51k views

Cursor is set to move by increments. how to reset to normal?

My cursor is moving by every selection by large increments! Normally when I use Blender, I am able to select and move objects to any coordinate. Now, all of the sudden, when I select an object or ...
29
votes
2answers
100k views

How Do You Use An Image As The World Background?

I'd like to use a background image for my world, but I'm not sure how to do it. Right now I am using the sun as a lightpoint and it looks like sky and a flat plane (not realistic). I was thinking of ...
29
votes
1answer
39k views

Where are my screencast keys?

I can't find the Screencast Keys which allow me to start the display. I have tried the right hand pop-up menu using the hotkey N, but I could not find the Screencast Keys menu which is usually located ...
29
votes
1answer
51k views

In Edit Mode, is it possible to invert selection?

I wish to select areas of a mesh, but it would be much simpler to just select the ones I don't want selected (because they are easier to access), and then inverse the selection. Is this possible?
29
votes
1answer
41k views

Is it possible to automatically simplify geometry in blender without losing object shape?

3ds max has a sort of modifier that allows you to take a heavily subdivided mesh and take away some of the polygons that would anyhow create a single polygon (i.e they are facing the same way).
29
votes
2answers
18k views

Light spectrum dispersion effect in Blender?

I'm trying to achieve the effect where a beam of light sent through a prism or other refractive object, separates out into the light spectrum. (See image below) This effect is especially useful to ...
28
votes
3answers
14k views

What is the simplest way to generate a dodecahedron?

I've been thinking of animating some dice and while most are easy to make, I'm having some trouble figuring out a way to generate a regular dodecahedron. I could hand build it but it would be ...
28
votes
3answers
8k views

How to make a spiked sphere?

I know how to make it manually with cone rotation around the sphere. but maybe there's much simpler solution or addon that has that option, preferably not very high poly solution. Also if possible I ...
28
votes
5answers
32k 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 ...
28
votes
2answers
8k views

How to create Bokeh circles?

How can I render bokeh circles? Nothing I do seems to work. I tried using an empty as the focus point for a cube, with some point lamps in the background with about 2000 strength, but it doesn't ...
28
votes
1answer
6k views

How do I emit light from inside a object?

I need to know how to make the buttons in my blender project look the same as in this photo. Mine all look pale, even with the emission material. Is there anyway I can get my buttons like this?
28
votes
3answers
23k views

How can I make a material only apply to a side of a plane?

How could a one-sided material be achieved with the Cycles renderer? I would like to create a plane that is completely transparent from one side, and a mirror from the other side. It would be cool ...
28
votes
5answers
35k views

Copy transforms from one object to another

I want to an object to have the same transforms (location, rotation, scale) as another object. How can I copy the transforms from one object to another?
28
votes
3answers
87k 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. ...
28
votes
1answer
71k views

How do I increase the render distance?

I have created a simple model here When rendering it the end of it is cut off How can I get the camera to render a longer distance?
28
votes
1answer
23k views

Rotating each iteration of an Array Modifier

Is there a way to rotate each iteration of an Array Modifier? For example, I've created the helices of a DNA molecule, and I'm trying to add the base pairs. I've got a cylinder with an array modifier....
28
votes
4answers
71k views

Is blender actually useable for engineering?

A moving design would be the final goal, but first I need to build complex shapes based on geometry as 3D modeling for engineering. Does blender have a work tree where you can rearrange the order of ...
28
votes
1answer
10k views

How to determine lens undistortion values for motion tracking?

In the camera setting in motion tracking, how do I tweak the K1, K2 and K3 value properly. I was told that these values are not necessary to tweak but I do want to adjust it, just for the sake of ...
28
votes
9answers
41k views

Any Video formats that render with Alpha Channel?

Does anyone know if there are any video formats (besides the HUGE uncompressed avis) that you can render in that maintain the alpha channel? (i.e. for after FX etc.) I used to use quicktime, but ...
28
votes
2answers
82k views

Toggle wireframe mode with hotkey

How do I toggle in and out of wireframe mode with my keyboard? Is there a hotkey for this? I'm a beginner (obviously). I thought I could find this in the "view" menu, but it either doesn't exist or I ...
28
votes
3answers
78k views

How to cut and paste part of a mesh to another mesh?

Hi im new to Blender and i want to know when im in edit mode if i can copy or cut a selections of polygons faces and paste to another mesh. Thanks in advance for any help
28
votes
3answers
34k views

Apply subsurf modifier to only part of an object

How can I apply a modifier only to a part of an object? I want to model a goblet with a pedestal, and if I add a subsurf, the pedestal, of course, gets an unwanted round shape. How can I avoid that? I ...
28
votes
2answers
14k views

Can Cycles renders be done from the command line?

It seems that Cycles is mainly built in the form of Python scripts (as far as I can tell). Is it still possible to use Cycles to render a .blend file from the ...
28
votes
1answer
20k views

Can blender export 2D curves to svg?

Is it possible to convert/export 2D curves to an svg? I know you could render it to a raster image and then convert it with inkscape/potrace, but it would be nice ...
27
votes
3answers
8k views

What is Dot Product?

I am doing this Blenderguru tutorial on Making Fire and at some point he is adding the Vector Math node Dot Product to his material. And he says that he does not understand what he is doing but this ...
27
votes
5answers
5k views

How do I make a sphere into something like the picture?

How do I make the globe into something like the picture?
27
votes
4answers
2k views

How would I go about creating a spiralled dome?

Is there some elegant way I could go about creating the "twisted spiral" surfaced dome as you see in the iconic "St. Basil's Cathedral" in Red-Square in Moscow?
27
votes
7answers
38k views

How do I make a normal/displacement map when all I have is a photo?

In order to make a rendering look more realistic some additional maps are useful. The documentation lists: diffuse,specular displacement-maps . I watched a video tutorial The Secrets of Realistic ...
27
votes
5answers
3k views

Good approach to make planks for a barrel?

I'm trying to make the planks in a barrel, without involving sculpting. What is a good method? I thought about an array, but haven't had too much luck. this is what I've got at the moment, but I'm ...
27
votes
2answers
46k views

Bevel specific edges

How would one curve specific edges while leaving others alone? I'm trying to model this (circled) object, But can't figure out how to bevel side edges and leave the front-edge flat. Tried using the ...
27
votes
3answers
10k 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 ...
27
votes
1answer
52k views

How can I render an object with an hdr background?

I have an object with an hdr for the background. What do I do in Cycles to render the background with my object? How is this different from an ordinary render in Cycles? The hdr is a big one, 350MB.
27
votes
3answers
37k views

Selecting an object via scripting?

As shown below, I have 2 nested spheres, each with a different material (inner = "1", outer = "2"). Ultimately, I need to select the inner sphere (material "1") via python scripting. I've found a ...

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