All Questions
15,372
questions
62
votes
2
answers
288k
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 something ...
- 771
156
votes
4
answers
282k
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....
- 5,729
27
votes
11
answers
73k
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?
- 8,537
52
votes
2
answers
95k
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 ...
- 933
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-...
- 1,297
158
votes
19
answers
51k
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 ...
- 151
39
votes
8
answers
182k
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:
[
- 3,968
29
votes
2
answers
41k
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 ...
- 4,733
40
votes
3
answers
20k
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,...
- 583
53
votes
6
answers
72k
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 ...
- 16.6k
56
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?
- 1,749
37
votes
2
answers
39k
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 ...
- 601
43
votes
4
answers
140k
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 ...
- 2,410
50
votes
2
answers
48k
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!
- 601
41
votes
5
answers
259k
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
- 413
39
votes
2
answers
198k
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.
- 515
57
votes
2
answers
61k
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 ...
- 1,316
39
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 ...
43
votes
1
answer
219k
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?
- 7,066
104
votes
5
answers
176k
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-...
- 14.8k
119
votes
2
answers
44k
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 ...
user1853
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 (...
- 11.6k
50
votes
6
answers
52k
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.
...
- 3,179
69
votes
3
answers
164k
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 ...
- 7,066
26
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 ...
- 363
22
votes
6
answers
157k
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 ...
- 325
62
votes
2
answers
161k
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 ...
- 621
168
votes
1
answer
503k
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 ...
- 1,863
25
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 ...
user1853
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 ...
- 183
92
votes
7
answers
198k
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 ...
- 3,644
42
votes
2
answers
77k
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?
- 6,454
24
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.
- 343
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?
- 1,047
39
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 ...
- 767
15
votes
1
answer
32k
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 ...
- 337
12
votes
3
answers
16k
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 ...
- 654
239
votes
8
answers
490k
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 ...
- 2,493
70
votes
10
answers
60k
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 ...
- 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 ...
- 331
26
votes
1
answer
15k
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 ...
- 4,733
293
votes
4
answers
608k
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?
77
votes
2
answers
51k
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 ...
66
votes
3
answers
384k
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 :)
- 763
31
votes
1
answer
15k
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 ...
- 38.3k
96
votes
3
answers
238k
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
15k
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 ...
- 99
84
votes
4
answers
231k
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?
- 3,587
74
votes
2
answers
209k
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 ...
- 38.8k