13
votes
2answers
48k views

.fbx export why there are no materials or textures?

I used node textures in a mesh I exported to .FBX. I then imported it into Unreal Engine 4 and it didn't import any textures; I clicked the Upload Textures option in Unreal Engine. Is there ...
31
votes
2answers
46k views

Why are some faces in my mesh darker?

While rendering a mesh with smooth shading on, I get a dark region/shadow on certain faces. The effect is more evident when smooth shading is applied to a mesh containing ngons, with the ngons turning ...
89
votes
4answers
118k views

Add different materials to different parts of a mesh?

How do you add more than one material to a mesh? I have tried adding two materials to the object, and then assigning one of the materials to a vertex-group, but I could not find a place to assign it....
64
votes
5answers
78k views

How to avoid noisy renders in Cycles?

I know that this question is a bit old or maybe overdone, but I'm running the latest edition of Blender and when I use the Cycles engine I get really fuzzy results and I can't find a simple, non-...
96
votes
16answers
14k views

Resources for Blender

This is a specifically created Community Wiki which gathers resources for Blender and it has been approved by the Community. Just write in the appropriate answer/section. If you have concerns, ...
36
votes
3answers
10k views

Cause of black artifacts in render?

I was following this tutorial on creating a watch and noticed that when I rendered the watch, some pieces were messed up. I'm new to 3D modeling and I've just learned Blender, I can't explain it well,...
38
votes
4answers
13k views

Why is it important to apply transformation to an objects data?

I've watched several tutorials and very often they applied the location, rotation or scale to the object when they transformed it in Object Mode. They always said it is important, but why?
13
votes
7answers
9k views

Why does my object not show up?

This is meant to solve this problem once and for all. What is every reason an object isn't showing up in a render or viewport in when using the cycles render engine?
22
votes
3answers
50k 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 ...
33
votes
2answers
46k views

How can I make the mirror modifier work right?

When I add a mirror modifier it sometimes doesn't mirror correctly, giving me an overlapping mesh. How can I fix this?
8
votes
2answers
5k views

Add a transparent image on top of a material [duplicate]

I'm designing this animal-type creature, and want to add a transparent .png image to its face with the face features (object has a subsurf). On the left is the image with the features, on the right is ...
61
votes
3answers
85k views

What is non-manifold geometry?

I am not quite sure what non-manifold geometry is. I thought non-manifold geometry was just floating vertices and hole in a mesh. From my experience this is not always the case however. What is non-...
35
votes
8answers
31k views

How to reduce fireflies in Cycles?

I often use Cycles' built in Glass BSDF shader to achieve realistic refraction effects, but in many cases, it seems that Cycles' glass caustics creates an unfortunately large number of fireflies (...
23
votes
2answers
76k 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.
39
votes
6answers
26k views

How to illuminate the darkness inside glass objects in Cycles?

My model has a clear plastic (or glass) dome with objects inside. The objects appear dark. I've tried the glass shader with color 100% RGB, with very small IOR, and using just a refraction shader. ...
49
votes
3answers
62k views

Keep sharp edges when using subdivision surface

How can I use the subdivision surface modifier to create more high poly meshes without ruining sharp edges? For example this mesh The sphere should be subdivided but the rim of the cylinder should ...
60
votes
2answers
144k views

How do I set a background image while I am editing?

How do I put a backdrop behind the model that I am creating so that I can compare the picture to the model while editing?
8
votes
2answers
9k views

Boolean Modifier not working

I'm trying to model an M16 but it's not going so well when it comes to the magazine of the weapon. Next to the magazine is a mesh. I want to cut holes in the mag with that mesh. But the magazine just ...
21
votes
2answers
10k 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 ...
30
votes
2answers
50k views

Why does part of my model disappear when I zoom in on it in the 3D Viewport?

I'm having an odd issue - When I try to zoom in on a detail using my MMB, the "camera" in the 3D view seems to be cutting off the exterior surface of my object and showing me the inside instead. I'd ...
127
votes
4answers
193k views

How to close view windows?

I would like to close some view windows that I opened accidentally. See the image below: Edit: another note: I tried searching for the solution, but only found things like "Join Area", which don't ...
27
votes
2answers
9k views

Is there any way to edit parameters for an object after it is created?

For example, when you first add a cylinder, you have the option to change the number of vertices, etc, but once you do anything else in blender, it seems you no longer can edit those parameters. Is ...
8
votes
5answers
19k views

Render result is completely blank?

A scene I made is not rendering, at all. Before: After: Here are my settings:
60
votes
7answers
92k views

How to smooth shade an object while retaining hard edges?

I frequently come to the problem of having a mesh with parts I would like to render smooth and "hard" edges connecting them. How can I set the mesh to show the sharp edges but render everything else ...
29
votes
1answer
2k 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 ...
12
votes
1answer
11k views

Blender is rendering an older version my project

Blender is rendering an older version of my project, not the most recent one. I have made it using the Blender Render but it does not want to render in cycles either. A black and grey screen is ...
87
votes
2answers
25k views

Render with a wider dynamic range in cycles to produce photorealistic looking images

To get images that seem more photorealistic, not only a much wider Dynamic Range is needed, but also having the color information desaturate towards white as it would happen in an overexposed ...
78
votes
3answers
168k views

Enabling GPU rendering for Cycles?

I want to enable GPU rendering, but there is no option in User Preferences > System: Why is this? How can I get cycles to render using my GPU?
20
votes
3answers
3k views

Shadows along edges of mesh in 3D View

I have recently started using blender and one of the models I'm working on has dark shadows along edges. I started this model from scratch. I can't remember them being there when I first started the ...
69
votes
2answers
66k views

How is Cycles different from Blender Internal?

How does Cycles work and how is it different from Blender Internal? Which is better?
22
votes
1answer
40k 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?
175
votes
3answers
217k 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?
54
votes
2answers
35k views

How can I reuse existing materials, objects, etc from an existing .blend?

I have created several designs for a particular project and they are related, but I don't want to have to keep recreating any similar elements, such as shared materials or textures. How can I use the ...
102
votes
1answer
274k views

Splitting pieces of a mesh into a new object

I've just made a set of armor by using a male body mesh model I downloaded and selecting certain faces from the model and duplicating them to create viable armor pieces. Since the pieces are just ...
31
votes
2answers
97k views

Installing an addon

There is this addon that was built called Window Generator 2. It can be found at this BA thread. However, when I go to the download link it shows up in a new tab as a bunch of code. How can I ...
22
votes
2answers
34k 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 ...
45
votes
1answer
46k views

How do I “parent” objects?

I'm looking for a way to have two separate objects be connected, so that when I move the first object the second one will move also. The term parent is used, but how do I parent a object?
31
votes
1answer
14k views

poll() failed, context incorrect? - Example: bpy.ops.view3d.background_image_add()

I keep on getting context errors in the Blender Python API. I don't understand the issue of the context in the API, how do I know which is the correct context? Thanks!
126
votes
7answers
118k views

Why does the zoom sometimes stop at a point?

I often find that I can zoom in to a point, but then cannot zoom any more, even when there is a lot of room to zoom to the meshes on the scene. This is particularly annoying in the following ...
9
votes
1answer
6k views

Loop-cut won't go all the way around

Alright so I've seen some postings about loop cuts and done some research. I am very new to blender and modeling overall. I am trying to loop cut this concrete barrier. Now I'm following a tutorial ...
19
votes
4answers
7k views

How do I avoid rendering glitches from overlapping faces? [duplicate]

For instance, here I have two cubes that are offset only on the x-axis. When I render them (using Blender's internal renderer), the overlapping faces interfere with each other and the result looks ...
3
votes
1answer
2k views

One Object won't Show up in Final Render even though it shows up in the Preview Render [duplicate]

I have a model of a building with a sidewalk around it. Both show up when I switch to rendering mode in both Blender Render and Cycles Render mode. But: when I hit F12 for a final proper render, ...
6
votes
1answer
1k views

Strange black shading. Cannot fully light mesh. (Cycles)

Here is the viewport in material view. The node setup is just a PNG texture into a diffuse shader. And this is in rendered view. I've tried using environmental lighting as well as a directional ...
34
votes
6answers
20k views

Using 3rd party Python modules

I'm currently developing a script for Blender to handle Mesh Frequency Decomposition. The script is nearly complete, but i need one more thing: The SciPy library to compute eigenvalues and ...
23
votes
2answers
12k views

Control Cycles material nodes and material properties in Python

How can I define the different properties of an cycles material? Such things as glossy, glass, diffuse, rgb-color, emissive via python scripting?
20
votes
1answer
6k views

Python performance with Blender operators

In my script, I have for loop over many cube objects (~1000) and the treatment is very slow. Looking more in details, I notice that in the same amount of loops: if ...
61
votes
2answers
90k views

How to close/open a view panel

I can't find a way to close a view panel, in particular the horizontal at the bottom, is pretty useless to me at this moment.
13
votes
1answer
2k views

What is the meaning of the color of the node sockets in the node editor?

I have been searching on the web and I can't find this. What is the meaning of the color of the node sockets in the node editor?
24
votes
6answers
57k views

How can I reset my menus?

I accidentally opened too many menus (or windows) and I want to reset them to default. It is really annoying, and effecting my animation. Thanks
29
votes
2answers
108k views

How to render an animation as video in Blender?

Yesterday I was working on a simple animation, an animated logo. Here is an image of the progress: I already have the animation working and everything is okay with the project, but I can't figure ...

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