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59 votes
2 answers
281k 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 ...
Fun Addict's user avatar
156 votes
4 answers
279k 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....
Stephen's user avatar
  • 5,709
27 votes
11 answers
72k 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?
JakeD's user avatar
  • 8,487
52 votes
2 answers
94k 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 ...
karthikeyan's user avatar
86 votes
9 answers
120k 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-...
kettlecrab's user avatar
  • 1,297
156 votes
18 answers
50k views

Resources for Blender

Since asking for tutorials, videos, resources, links to other content or downloads is considered off topic here, this is a specifically created Community Wiki which gathers resources for Blender and ...
15 votes
4 answers
6k views

AMD GPU Material in "material preview mode" and "rendered mode", is entirely gray as background. Only outline is displayed

I don't know why but now, when i go in material preview or rendered (in solid mode it works fine), my object is entirely gray, or invisible idk, because it has the same color of the background. I've ...
Pino Vanta's user avatar
38 votes
8 answers
175k views

Render result is completely blank

A scene I made is not rendering, at all. This grey screen stays the same and nothing changes. Here are my settings: [
Josh Silveous's user avatar
28 votes
2 answers
39k 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 ...
MicroMachine's user avatar
  • 4,673
39 votes
3 answers
19k 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,...
Abluescarab's user avatar
53 votes
6 answers
69k views

How to edit Parameters for an Object after it is created?

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 there a ...
Thom Blair III's user avatar
55 votes
5 answers
32k 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?
Codey's user avatar
  • 1,729
37 votes
2 answers
38k 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 ...
Blender98's user avatar
  • 601
43 votes
4 answers
137k 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 ...
blackhole's user avatar
  • 2,400
52 votes
2 answers
47k 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!
Jonathan's user avatar
  • 621
39 votes
2 answers
197k 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.
Sachin Vani's user avatar
40 votes
5 answers
246k views

Heat Weighting: Failed to find solution for one or more bones

I cant figure out why I get problems rigging this mesh. I get an error stating Bone Heat Weighting: Failed to find solution for one or more bones Blend file
Champagne's user avatar
  • 403
56 votes
2 answers
60k 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 ...
DragonautX's user avatar
  • 1,306
43 votes
1 answer
211k 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?
Qwertie's user avatar
  • 7,046
38 votes
2 answers
8k 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 ...
104 votes
5 answers
171k 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-...
Vader's user avatar
  • 14.7k
119 votes
2 answers
43k 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 ...
user avatar
45 votes
10 answers
44k 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 (...
Gwen's user avatar
  • 11.6k
50 votes
6 answers
51k 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. ...
DarenW's user avatar
  • 3,179
69 votes
3 answers
160k 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 ...
Qwertie's user avatar
  • 7,046
27 votes
3 answers
7k 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 ...
Ray's user avatar
  • 373
20 votes
6 answers
148k views

The Boolean modifier is 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 ...
Zemah's user avatar
  • 305
62 votes
3 answers
157k 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 ...
Vadaar's user avatar
  • 621
167 votes
1 answer
498k 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 ...
user2016's user avatar
  • 1,853
18 votes
1 answer
17k 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 ...
Noxas7's user avatar
  • 183
92 votes
7 answers
195k 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 ...
miceterminator's user avatar
42 votes
2 answers
76k views

Why does the mirror modifier sometimes give me an overlapping mesh?

When I add a mirror modifier it sometimes doesn't mirror correctly, giving me an overlapping mesh. How can I fix this?
Jonathan Williamson's user avatar
24 votes
2 answers
12k views

Black artifacts when looking through many transparent objects?

Using v2.73, cycles and a very simple scene: an array of cubes, no big deal. If I set the shader's material to transparent, the cubes in the foreground do become transparent but those far away in the ...
user avatar
23 votes
1 answer
3k views

Gray cone obscuring/clipping the 3D Viewport

When looking at my objects in 3d view I'm seeing a gray cone that seems to be hiding other objects. Can anyone help me turn this off and explain what it is please. Screenshots attached.
user3263793's user avatar
47 votes
3 answers
28k views

Control Cycles/Eevee material nodes and material properties using python?

How can I define the different properties of an Cycles/Eevee material? Such things as glossy, glass, diffuse, RGB-color, emissive via python scripting?
binaryBigInt's user avatar
  • 1,047
38 votes
2 answers
15k 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 ...
Salvatore's user avatar
  • 757
15 votes
1 answer
31k 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 ...
CrazyGrunt's user avatar
12 votes
3 answers
15k views

How do I get the Glare node to output transparent instead of Black background

This is what I have so far: The rendered image has a transparent background, but the glare filter creates an output with a black background, so after merging the two togheter, the background turns ...
tacofisher's user avatar
70 votes
10 answers
59k 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 ...
Gouwi's user avatar
  • 701
23 votes
4 answers
35k views

How to properly denoise renderings?

Since the Denoise feature was added to Blender I only use the default setting with it and it really does the work. But sometimes the denoise is noticable on some of my renders. How can I overcome the ...
Justin Ochea's user avatar
237 votes
8 answers
473k 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 ...
Anand's user avatar
  • 2,473
289 votes
4 answers
591k 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?
A Wild RolandiXor Has Appeared's user avatar
75 votes
2 answers
50k 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 ...
A Wild RolandiXor Has Appeared's user avatar
66 votes
3 answers
382k views

How do I put an image texture on a material in Cycles?

I am creating a model of a glass and I would like to put a drawing on it (a png picture). I know how to do it using Blender Render, but not with Cycles Render. Help :)
bluszcz's user avatar
  • 763
30 votes
1 answer
13k views

Can't find the node! Which node is available in which Blender version?

It's not hard to lose track of all the Geometry Nodes in Blender, especially since names and function have changed over time. ...But honestly, it's getting pretty tedious. Many tutorials talk about ...
quellenform's user avatar
  • 36.5k
24 votes
1 answer
14k views

Why do the measurements of this object seem erroneous?

I just found out about the Mesh Display : Length feature in the "N" panel (thanks to this seemingly-migratable question) that allows one to measure the length of a face or vertice. But my first ...
MicroMachine's user avatar
  • 4,673
96 votes
3 answers
237k 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?
9 votes
3 answers
14k views

Why does an object with a glossy shader render in black?

When I apply a glossy shader to the material of my text, the text becomes just black. Why? I have lamp and everything, but the problem persists. The text is red before I add the glossy shader. I'm ...
BigBoe's user avatar
  • 99
84 votes
4 answers
230k 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?
John's user avatar
  • 3,587
72 votes
2 answers
200k views

Where can the viewport clipping parameters be changed?

Zooming in to inspect texture details in 3D view clips some closer faces like shown in the image. It's not the camera view so changing camera settings doesn't help. Where can the distance to the ...
stacker's user avatar
  • 38.6k

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