Linked Questions

82
votes
9answers
113k 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-...
44
votes
9answers
41k 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 (...
6
votes
4answers
12k views

How to render a scene faster in Cycles?

I have a scene of an office. It has chairs, tables, computers, and so on. I would like to know how I can render this scene faster as I am planning to make animation inside the office and don't want ...
38
votes
2answers
39k views

What is branched path tracing and how is it useful?

I noticed recently that there is a new option in Cycles for "branched path tracing", can someone explain what this does in easy to understand terms? Should we expect faster render times or less ...
9
votes
2answers
4k views

Branched Path Tracing

About Branched Path Tracing, I'm using the Arnold Renderer theory without Square Samples as many forums said, but seems Cycles goes different. I have better times/results with higher AA Samples value ...
2
votes
2answers
7k views

Blender EEVEE pixelated render. No denoise options?

I'm a beginner in Blender and I'm trying to render a scene using Blender 2.8. Unfortunately the result shows strong pixelation. As far as I learned for version 2.7 (Cycles) you have to use a denoise ...
1
vote
2answers
116 views

render curve color

I'm a total beginner in blender but this software is so nice. I'm trying to render a 2d scene wich simply changes material colors and zooms out camera. This should lead to a 2d logo animation. I set ...
6
votes
1answer
17k views

How do I use the cycles Denoiser?

For quite a while, I have been using realtime GLSL shading for most of my projects. I decided to re-vist cycles after hearing about how awesome the new denoiser is. What does the denoiser actually do, ...
6
votes
1answer
2k views

What does “number of diffuse/glossy/… bounce samples” mean?

In Cycles render, when enabling branched path tracing, one can specify the number of diffuse/glossy/transmission/... bounce samples for each AA sample. Can someone explain to me in little more words ...
5
votes
1answer
1k views

Why do I have a large black and white artifact on the rendered image? [duplicate]

Cant figure out why the rendered image has a large black and white artifact (on the bottle on the right)? This is the blender file. Appreciate any tips!
3
votes
1answer
2k views

Problems with denoising in rendering

I'm starting to take my first steps in Blender. I recently did the BlenderGuru's light bulbs tutorial. I have problems with rendering. The two images attached were rendered using Cycles (Blender 2.79),...
2
votes
1answer
202 views

Weird artifacts in shadow when rendering transparent objects

I'm rendering a transparent cup with water + transparent plate. However, the right bottom part of the shadow seem quite off. It has artifacts in the shadow. https://imgur.com/a/djoP72f This is the ...
2
votes
1answer
1k views

How to render a night scene [duplicate]

I really need some help regarding rendering a night scene. When i tick the denoising option. My render become ugly where there is a black dirt on the image. As in the image below. And if i untick ...
2
votes
1answer
1k views

Blotchy noise in cycles render with denoise [duplicate]

When I was rendering my image, I noticed that it looks weird (top left, and right side). I don't know what causes this issue, never had it before. useful info/settings: samples = 256 I render using ...
2
votes
1answer
3k views

Rendered object too grainy (Beginner) [duplicate]

Why is my rendered object and rendered image so grainy? I followed tutorial https://www.youtube.com/watch?v=4rNrL7a12xg and when i added material its not looking the same
2
votes
1answer
364 views

Why do I have 'glitched' areas in my render after enabling denoising? [duplicate]

I am a newbie to blender and i found a 'Denoiser' option and decided to use it. I found out its function but it seems to create these 'glitched' areas in one of my renders. What are they and how do i ...
1
vote
1answer
58 views

Random Distortion-Like in Final Image | Rendering Problem in Blender

i already rendered several scenes in blender and this is my first time to encounter this. After the compositing, the rendered image looks weird, some kind of distortion or something. I can't find any ...
1
vote
1answer
608 views

Why is my render noisy/blotchy?

I'm new to Blender and wonder why, when I render the image, the image is noisy or blotchy. The render result is shown below. You can see the effect clearly at the skin area. Can someone help me ...
1
vote
1answer
60 views

What is causing splotching on rendered image?

I have been trying to troubleshoot this for some time now. Whenever I use an HDRI to light my scene, I get the following effect on my objects after rendering in cycles. A patchiness that I cannot seem ...
1
vote
1answer
1k views

Strange artifacts on cycles render [duplicate]

Do you have any idea what is causing these artifacts on my cycles render? I'm using a sun light source to illuminate the scene. 128 samples. I've pasted a screenshot of the material that the ...
1
vote
1answer
883 views

How do I make this render look better? [duplicate]

I cant manage to get the right render settings for this image. if you look at the render closely you cant see the poor quality. The denoiser in blender makes the image look smudged. Here's the ...
1
vote
1answer
583 views

Weird Gray Blotches Showing Up During Render [duplicate]

Hi I am trying to render a model of Sintel. While using the render view port shading in the 3d view the eyes looks perfectly fine: But when I actually render it, these grey splotches show up under ...
0
votes
1answer
37 views

My final render with cycles look blurry after denoise [duplicate]

I am new to blender and try to make a room everything look good until I use final render to get a high quality picture the light look wrong I try to use 1 light bounce and it didnt help at all pls ...
0
votes
1answer
49 views

Blue Stuff in my render [duplicate]

I was rendering this scene (on cycles) to test out the lighting in my upcoming animation project but for some reason the render had blue stuff all over it, I tried to see if it had to do anything with ...
0
votes
1answer
143 views

Render has gray spots all over it [duplicate]

I didn't use cycles render a long time and got a problem. If I use dark environment lighting, blender doesn't render it smooth. Maybe it happens because I'm using denoising, I don't really know. So ...
0
votes
1answer
382 views

Cycles SSS Rendered image has a strange “noise” coloring artifacts [duplicate]

I am pretty new to blender and I was experimenting with a subsurface scattering material and lighting on an imported object. But when I've rendered an image of the object with a material that has a ...
0
votes
1answer
76 views

Render Failure - Image is smokey [duplicate]

I am new to using blender and I am working on rendering a scene that uses portal lighting, but I am having some render issues and I don't know why. Is there anything I can try to fix this issue? ...
0
votes
1answer
1k views

Weird noise when using denoise [duplicate]

i had these weird noise on my render i had changed render settings even every object material, and it's not solved Maybe anyone can help?
2
votes
0answers
38 views

Trying to work with light and glass [duplicate]

I'm new to Blender. I've been working on a scene with a lighthouse, and I'm all done with the geometry. I tried an eevee render of the scene, but uh-oh! When the glass preset is applied to the window ...
2
votes
0answers
71 views

Light emission sources render as cubes

Just faced such a problem. Have kind of streetlight models in my scene (four instances of them to be exact) with the light emitting parts. Final render appears like this: As you see, all of them ...
1
vote
0answers
110 views

Strange square artifacts [duplicate]

I'm a noob when it comes to using particle systems to create grass, so I've been trying to improve those skills. However, on my latest test render...something rather strange has appeared. Or rather, ...
1
vote
0answers
3k views

Best settings for denoising in Cycles

I am working on a project and I am using the Cycles render engine. Denoising usually seems like a good option but the image does become a little blurry when I use denoising with the default settings. ...
1
vote
0answers
35 views

Cycles rendering weird bubble shadows [duplicate]

I have no idea what is causing this, but for some reason when I render my scene in Cycles it gives me these shadow spots. What's more weird is that it's only when I'm rendering interiors and it only ...
1
vote
0answers
714 views

Pixelated light in final render [duplicate]

I've rendered my final scene but the emitting light from the bulb shows a weird pixelated shade at the base and on the bulb... however it seems like its clear in the viewport render. Any ideas? Is it ...
1
vote
0answers
979 views

Denoising is giving my strange artifacts [duplicate]

I have this material, that is a subsurface and because some reason when the denoise is applied it gives my really strange artifacts only in the red parts(the oxidized metal is other object).
0
votes
0answers
28 views

Colors smear into a puddle in render

I'm very new to blender and I'm making my first kitchen scene. When I'm trying to render the scene I have stumbled upon something weird. On both the cabinet drawers and doors the colors seems to smear ...
0
votes
0answers
11 views

Stains on white walls_interior render_denoiser [duplicate]

I am trying to render an interior image but I have problems with the white walls. As shown in the image attached there are "stains" caused I think by the DENOISER. (I guess so because of a ...
0
votes
0answers
23 views

Square artifacts when shining light through material

I am shining a light through a principled bsdf with transmission and getting weird square artifacts. Any ideas as to the cause? blend file: https://filebin.net/yhpnzpuic4lvree1/
0
votes
0answers
19 views

My characters skin looks Caustic in Cycles and the Shirt Texture is missing [duplicate]

My characters skin looks Caustic in Cycles and the Shirt Texture is missing. Cycles Render EEVEE render
0
votes
0answers
20 views

getting a weird raisin texture on liquid texture?

im getting a weird raisin texture on my liquid from blender guru's tutorial. I've followed it 100% through so far and I can't find a way to fix this.
0
votes
0answers
41 views

Grainy lights in Blender Cycles [duplicate]

I have this night scene and it's pretty clear that something is not right. The lights are strange, like muffled, making everything grainy. Does anyone have an idea that can fix this?
0
votes
0answers
14 views

Black artifacts on white posts but no doubles to remove [duplicate]

As you watch the video, the first visible white post is pure white. But the others that are seen next have black speckles. I have tried to remove all doubles but there weren't any to remove. https://...
0
votes
0answers
19 views

How do I get rid of these weird light reflections on the floors and walls? [duplicate]

Hello, I am currently working on a 3D scene and this has happened to me several times by now and I still haven't found a solution. Increasing light bounces or samples doest seem to work. This rendder ...
0
votes
0answers
24 views

How do I fix the Denoiser's cloudy render glitch? [duplicate]

I have another problem. I've been trying to create a render of my IES light with the Denoiser,but when I do,a weird cloud/noise effect appears in the render. Could someone please help me?
0
votes
0answers
41 views

Lightbulb Filament lighting distorting

I have been trying to figure out why when I render my lightbulb image, the light coming off it becomes completely distorted. When I use preview render everything works fine. I have tried various light ...
0
votes
0answers
33 views

Any way I can remove these fireflies/noise? [duplicate]

I have made a model of an apartment and I am trying to get rendered images from the individual rooms and in the end in orthographic view but no matter what I do there is too much fireflies or noise. ...
0
votes
0answers
93 views

Denoiser messing up final render [duplicate]

I have a problem with the denoiser, I need it but it's messing up final render. Everything seems right. Then when denosier comen in. Presets are default and this is the first time this happens, ...