Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
The results are in! See what nearly 90,000 developers picked as their most loved, dreaded, and desired coding languages and more in the 2019 Developer Survey.

Questions tagged [blender-render]

Please use this tag only for questions related to the render engine; don't use it for questions about Blender's internal code or Python API. Blender Internal (also known as Blender Render, Blender Internal or BI) is a biased rendering engine built into Blender.

189
votes
3answers
244k views

Can Blender render pngs with the background transparent?

I would like to render an animation as a series of .png images with transparent backgrounds for use in a video. Is this possible?
75
votes
2answers
72k views

How is Cycles different from Blender Internal?

How does Cycles work and how is it different from Blender Internal? Which is better?
42
votes
2answers
14k views

How do I convert materials from Blender Internal to Cycles?

I know this may be a tough or confusing question, but I have numerous existing materials I created and reuse for a project, which were all prepared for Blender Internal. Now, I want to start the ...
5
votes
2answers
3k views

Applied boolean modifier leaving shading artifacts with flat shading

I tried to manipulate a cube with the Boolean modifier. I tried to cut out an edge of the cube with a cylinder. Also, the shading result looks awful in FLAT SHADING mode, so I turned on SMOOTH SHADING....
21
votes
3answers
23k views

How can I get a Depth of field render pass?

How can one make a render pass with black and white data to display depth of field based on the Settings > Camera dof settings? I want to blur or defocus in the compositor, similar to the way it is ...
17
votes
3answers
5k views

Can I use Cycles materials with Blender Internal?

Is it possible to have a mesh coloured and textured in cycles and then have it displayed in internal? The only reason I ask is because I am building a log cabin and want to put some windows in. When ...
16
votes
1answer
17k views

Matcap materials as a material for render?

Is it possible to use Matcap materials as an actual material for a model so that I can render with it? There are certain parts that I want to apply specific Matcaps textures to but I want to actually ...
8
votes
1answer
8k views

How to set render engine in blender?

I'm new to blender. How do you change the render engine in blender 2.7 ? According to this video, the button should be along the top. I've searched google, and the blender documentation with no luck....
6
votes
2answers
1k views

Why is the node editor showing different kinds of nodes?

I have been following this tutorial until I started adding nodes. The problem is that he has completely different nodes than I have. Even nodes that are created at start are different (I have Material ...
9
votes
2answers
13k views

Convert Materials from Cycles to Blender Internal Render

I want to use Freestyle for a scene with lots of different Cycles Materials, is there an easy way to change them all at once to Blender Internal? It would be nice if the materials are somehow ...
3
votes
1answer
1k views

How do I align my grid to background footage?

I have a background-image set up and now I want to align my grid to it? How do I do it. I remember watching a video where I could simply rotate it like an object?
4
votes
1answer
637 views

Render Halo material with tranparent background

I make a "shockwave" using Halo material. It looks nice only for the black background. If I check "Shading > Alpha > Transparent", render result is breaks down. How to fix it?
17
votes
3answers
21k views

Rendering with wireframe

I'm making figures to illustrate some details about how meshes work. I'd like to render my scene normally, but overlay all of my meshes in wire mode. The only solution I've found which works is ...
13
votes
6answers
10k views

Python - Set material to material slot

I am using the Blender Internal render engine. I have an material slot with no material assigned to it. How can I assign a material to a slot using python? This should work in edit mode as well. ...
17
votes
1answer
18k views

Render shadow on transparent background with Blender Render [duplicate]

I need to render a model on a transparent background. The models have a light source so they should be casting a shadow on a surface (the XY plane). The purpose for this is to overlay the rendered ...
2
votes
2answers
795 views

White background with filmic blender

When I tried rendering the scene with white background in filmic blender, I'm getting grey coloured background. But I'm able to achieve this with standard colour management options. P.s: I have ...
2
votes
2answers
1k views

Black screen when creating movie

I've rendered about 300 frames for a short clip. The frames look fine, but when I compile into a movie all I get is a black screen. I haven't been able to find anything to solve this problem. The ...
48
votes
3answers
5k views

Creating Inky-looking characters in Blender

I'm involved in a project to do with ink animation and experimentation. I found this incredible piece of animation: Chinese Ink Style Animation I originally thought this was some sort of After ...
9
votes
1answer
7k views

How do you create grass?

If you were using a plane as a terrain, how would you add grass to the plane and make it bend and flow like there was wind. Also, how would you make the grass color vary in shades of green so you ...
3
votes
3answers
814 views

Striped Sphere - hide backfaces

I created a sphere and colored its faces in several horizontal stripes like blue, transparent, blue, transparent... etc Pretty much when in Object mode & Viewport shading set to Material the ...
2
votes
1answer
5k views

Blender cycles won't render halo particles [duplicate]

I am an inexperienced user of blender, and created a scene of a manikin using blender 2.69 and rendered it using cycles to produce a .png image which I was very happy with. I wanted to progress ...
4
votes
1answer
759 views

How to prevent memory leakage in Blender?

I have to load lots of objects/meshes(50k) in Blender and render them for which I have written a Python script. My meshes have lots of vertices/faces (in the range of ~[10k, 70k]). I noticed that ...
14
votes
2answers
8k views

What are the differences between lamps in Cycles and Blender Internal?

I've noticed that if I have an existing scene setup for Blender Internal and I switch to cycles, the lighting is completely off. I sometimes have had to start a new scene and import the models I want ...
16
votes
1answer
2k views

Is there a way to have one material for cycles and the BI

Is there any way to make a material work in cycles and the blender internal? I'm looking for a way to have only one material in the material slot, but a different material for cycles and blender ...
8
votes
1answer
17k views

Texture mapping with multiple UV maps

So, as a newbie relatively new to blender, I started doing some texture mapping (blender internal Render). I created a texture for the main object and a couple of transparent decals to decorate it. (...
0
votes
2answers
349 views

How to get indices of the faces to which a material has been applied, using Python?

I have many objects similar to this and I import them into the scene using bpy.ops.import_scene.obj(filepath='model.obj', split_mode="OFF") to do some renderings ...
1
vote
1answer
2k views

Can I incorporate audio into my output avi render?

I am using blenders video sequence editor to put together a video with overdubbed audio. I have dragged a video clip and and audio clip into the sequence editor. BUt when I render, it is only ...
0
votes
1answer
326 views

Changing active camera will yield an incorrect rendering (camera view not reflected)

I have defined a Blender class to help me abstract out details for rendering, object manipulation etc. I setup my scene using this class and put 12 cameras in it. Then I start rendering objects by ...
14
votes
3answers
15k views

Baking normal maps in blender: “Error: No objects or images found to bake to”

This happens pretty much every time I try to bake normal maps. It's quite a broad error message and I still don't know exactly what the problems I'm having are, only that if I keep clicking things for ...
8
votes
4answers
33k views

Why is the alpha channel not working?

I was trying to make a really low poly flower, basically using 2D planes and applying textures with an alpha channel (Targa, 32 bit). However when doing the UV mapping and applying the texture as ...
7
votes
2answers
2k views

Baked normal map from high poly bad corners

I'm trying to bake a normal map from a high polygon model to a low polygon one. It's a very simple domino shape. When I use the normal on the blender render, I get this strange shape at the border of ...
6
votes
1answer
5k views

How do I properly set up a spotlight cone?

I'm having a problem while rendering a searchlight-style spot lamp (i.e. I want to see the "light cone" in the final render ("Halo" option is checked), a.k.a. volumetric light). It appears that the ...
4
votes
2answers
2k views

equirectangular rendering for Blender Internal?

Can such frames/videos be rendered in Blender Internal as well? If not, how indirectly? EDIT: The below solution is great as long as you can write your own Python script and only render solid objects....
10
votes
4answers
16k views

Smoke Generator does not work

When I try to run the smoke simulator in Blender 2.62 I get no smoke at all. When I attempt to render, the only output is a black screen. What am I doing wrong here that is making the smoke simulation ...
8
votes
1answer
10k views

Rendering and materials are black

This questions has already been asked a million times, but nothing solved my issue so far. Situation I'm using Blender 2.72b. I'm not using nodes, just the plain old vanilla settings. But ...
6
votes
3answers
8k views

How to make a sun in Blender?

How do I make a nice sun in blender? I am not looking to change a lamp into the sun, I am looking for an actual sun that can be seen in my scene. Back in High school I had a project on making a sun ...
6
votes
1answer
1k views

Brightness dependent texture on mesh

Andrew Price showed in one of his tutorials how to use a white material node in the Blender internal render to get the brightness of a point and assign the texture accordingly. In this case: Point ...
5
votes
1answer
2k views

Why does my scene preview look so different than the render?

In my 3d scene view, with display mode set to "textured", my texture looks fine. But when I render it the texture stretches all over the place. All my settings are at default, just a single sun object ...
4
votes
1answer
3k views

Graphics Card Not Avalible in Blender Internal

For some reason Blender does not use my GPU when rendering, even though I have my card selected in the user preferences When I render, my CPU usage goes up to 100% and MSI Afterburner shows no ...
2
votes
1answer
924 views

Texture appears pink in Blender Render

The tree on the left is always purple, whenever I try anything, like changing the material, texture etc. it always turns out purple. It's fine in cycles: I've been following a tutorial by CG Geek on ...
3
votes
1answer
5k views

How to move objects to new Render Layer?

This question has been asked several times before, but one thing is not clear. There are Render layers. Each Render layer itself seems to have Scene and Layer slots. It's not clear what each is. ...
10
votes
1answer
34k views

How do i add material/textures to only one face of an object? [duplicate]

I just got Blender and I don't know how to add textures to only one side. I've tried finding an answer but i can't. It adds the texture to all sides of the object. I just want the blue on one side of ...
4
votes
3answers
6k views

Scaling and importing from blender to unity

When I make a 3d model in blender and import it to unity the model has an incorrect size and im thinking the problem has to do with the units but I don't know what units to use while modeling in ...
3
votes
1answer
2k views

How can I create a flowing, rippling water surface effect that follows the curves of a river mesh? [duplicate]

How would I create a simple but nice looking river? Even a small creek or stream of water i just want to know some good ways of doing this!
7
votes
3answers
2k views

Edging alpha texture viewport Blender

I'm having difficulties to understand what happens with textured models using alpha textures in Blender's viewport. As exemple,I have a fence made of a grid (which is an alpha texture), or some trees ...
1
vote
1answer
142 views

Texture Channel animated, doesn't appear in viewport

I'm creating an educational video, and for efficiency, I'm using a Cyclic repeater to repeat an on-page/off-page effect. Every loop, I have the texture channel switch to the next image, rather than ...
9
votes
1answer
1k views

Making edges render with Cycles

I'm using the Laplacian Lightning Generator, and have figured out how to make the generated lightning renderable in Blender Internal. While I (probably?) could use this, there's a few issues with me ...
8
votes
1answer
3k views

Is it possible to render outlines in BI/Cycles using this technique for the BGE?

I want to achieve this outline effect outside of the game engine for animations, without using freestyle. Is it possible to make this effect work in Cycles or BI?
7
votes
2answers
4k views

How to automatically fit the camera to objects in the view?

I'm using blender to render avatar and avatar accessories on a website, however there is a problem, when a hat, or accessory is made a bit large, the it doesn't fit in the viewport, is there anyway to ...
10
votes
1answer
397 views

Rendering artifacts in blender internal

I'm experimenting with drawing textures onto the model. I'm trying to render what I've got so far, but my renders come out with these strange black or white rectangles all the way down the blade edge. ...