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Questions tagged [cycles-render-engine]

Cycles is a ray tracing render engine that can be used to achieve photo realistic results in Blender. It was introduced officially in 2.61. Use this tag for any Cycles related posts.

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Baking only gives a black image

I have a model in blender that i added a material, but when i try to bake this material using the diffuse method, if i use the direct and color options it gives me a black image. If i select the color ...
Martim Oliveira's user avatar
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How much noise is perfect for that "camera" look(compositor)? [closed]

I made this scene in blender and made some compositing improvements: I experimented with a noise texture/image in the compositing tab for that "camera" look(hope you relate with me, but I ...
2sa2's user avatar
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NodeTree missing input attribute

I am using the super image denoiser and when I click create SID, an error happens. Here is the code: ...
Bryan's user avatar
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Objects don't show up in render, render button greyed out

I'm pretty much a newbie with Blender, but have set up a few scenes before. Now I have been working on a scene and my renders with cycles turned out ok so far. But then I must have pressed some button ...
hutruk's user avatar
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Results of Shadow catcher are different from Viewport

I'm creating some renders that I need to export as PNGs with corresponding floor shadows. It looks correct in the viewport, but when I render, the shadows come out very harsh and dark. I've searched ...
Polimp's user avatar
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Simulate Shader to RGB in Cycles

I currently have a material working in Eevee, that contains a Shader to RGB and a Color Ramp to achieve shadows and light in my scene. I want to know if I can transfer this to Cycles because I have ...
Martim Oliveira's user avatar
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Why is texture baking not working well?

I use Blender 4.1 on Debian GNU/Linux 12 (bookworm). I'm trying to bake several textures into one, but this time there are lots of tiny rectangles on my bake result. What's wrong? Also, there is a ...
Chiara Ani's user avatar
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No denoiser, how can I install one?

I am running Blender 3.4 on Debian GNU/Linux 12 (bookworm). Each time, I begin a new blend file, denoiser is checked in render settings. But if I try to render, render result comes to be completely ...
Chiara Ani's user avatar
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Volume emission and transparent background?

I have a problem with emission volume and transparent background here is the file https://filebin.net/pm3hmhi3gvtdzxqs I have a cube with emission volume and a transparent background but when I render ...
MementoMori's user avatar
1 vote
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30 views

Solid objects becoming transparent during Cycles render

I'm having an issue where some obejcts in my scene are becoming transparent during the render, but only when using my GPU. I have tried rendering with my CPU and have no issues with this happeneing. I'...
Tom Gough's user avatar
4 votes
1 answer
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Why is my render preview different from what the render result?

So currently, I have two problem. The first one is that the result rendered is different from what is shown in the render preview in viewport shading. Render Preview: Render Result: The second ...
Codeblues6's user avatar
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Why are some faces disappearing from on the camera view?

I was following a YouTube tutorial: https://youtu.be/XWv1Ajc3tfU and when I tried to see the result from the camera and some parts of the black hole's ring were missing. When I checked it from the ...
Codeblues6's user avatar
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Can blender make use of an integrated GPU and a discrete GPU at the same time to speed up renders? [duplicate]

I was thinking about getting an APU for my next build and was curious if I also get a discrete GPU can blender make use of both kind of like a dual GPU render? Would there be any performance increases ...
That Guy's user avatar
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Why is my animation rendering in a different colour from the one intended?

The first Image is the rendered animation. The second Image is what I created and what I intend to render. However, I keep getting the output in totally different shade colours from what I designed.
Michael's user avatar
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Visual Bug in Texture Rendering on Car Bumper

I've encountered an issue with my texture while rendering, the lower bumper of the car. During rendering, a visual glitch appears where the texture seems to be composed of small triangles. ...
jouryboy's user avatar
1 vote
1 answer
19 views

How to indivdually animate each ik target

so I am trying to animate a 4 legged spider and I wanted two of the ik targets (legs) to move 10 frames ahead of the other two. However, every time I select the two ik targets and move the keyframes (...
Vishavjit Buttar's user avatar
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1 answer
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Black Hole Rendering And Keyframing Issue

Rendering Issue I tried creating a black hole by following a YouTube tutorial . I did everything correctly. (Rendering format is Cycles). I tried rendering it, but it didn't came as shown in the ...
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Shrinkwrap Object render Black in Cycles

I used Shrinkwrap modifier on a sphere to project it on a plane in shading tab even when using Cycles everything look clean and works, but if i try to render the shrinkwrapped sphere appears as black. ...
jamail bot's user avatar
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Why is the shadow of the 3D viewport inconsistent with the effect rendered after shadow capture?

I have a question about shadow capture. The PNG output after shadow capture is directly superimposed on the background. Why is the shadow much darker than the viewport appears?
Tridge Mialey's user avatar
2 votes
1 answer
92 views

Volume absorption density per color channel

I have a volume with a Volume Absorption node, and the density is based on the distance to the camera (the further away, the denser). But I would like to have a ...
Apo's user avatar
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my baked fire simulation is floating with a super small scale

I basically have a ecosphere emitting particles and I added a fluid simulation (fire + smoke, inflow) to that ecosphere with the flow source as a particle system so it could follow the particle system,...
Dante's user avatar
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Realistic Plastic texture

How can i make a plastic texture like this ?
LucasGSilva's user avatar
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How to stop subsurface scattering when I paint my sculpt

I painted some black spots with the Paint brush in sculpting mode and as you can see in the Cycles viewport the subsurface scattering is going crazy.
ALEX BROLY's user avatar
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28 views

Strange blue/green seam between skin materials

I've tried researching this issue as it is sometimes a recurring problem for me but I can't seem to find a forum or answer for it anywhere. With some models I work with I get odd green and/or blue ...
Itsy's user avatar
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Compositing - Using ambient occlusion as alpha

I'm trying to composite the ambient occlusion pass and use it as a "fake" shadow in my render. In my scene I have a sphere with a simple material a plane with a principled material I ...
user186061's user avatar
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Cycle bake result has weird shadow

Have tried my best to fix the problem but failed. There are shadows like dotted lines around some sharp edges. Wonder whether it caused by angle of faces changed to dramatic. Tried add bevel seems ...
Anna TheGreatest's user avatar
1 vote
1 answer
43 views

Render part of a file in eevee part in cycles

I have a file that needs parts to be renders in EEVEE but some other parts in Cycles, how is best to do this. Most of the file needs to be rendered in EEVEE, the only part that needs to be rendered ...
SwIthers's user avatar
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22 views

Dark artifacts appering in render when using subsurface shading on joined meshes

I have this dark artifacts on parts of the meshes when they intersect each other, the parts are just joined, not boolean together, this happens when I use subsurface effect in my shading properties of ...
Piotrek B.'s user avatar
1 vote
1 answer
19 views

Objects rendered black in Cycles

I've imported an FBX file containing CAD data from Navisworks (my typical workflow), but this time, it contains a sub-assembly that is rendering black in Cycles. I've tried applying materials from ...
G.H.'s user avatar
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Holes in clothes in render mode [duplicate]

I created clothes for my model in Marvelous Designer, but after I imported it into Blender, a lot of holes appeared in render mode. The topology seems to be fine, but on the render there are these ...
Роман's user avatar
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20 views

Problems with rendering reflections

I'm very new to blender and am currently struggling to get the reflections I want rendered. So I have several objects and as a light source and surroundings I imported the city.exr using this tutorial ...
Aliena's user avatar
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I can't render fog

I was doing a skillshare course on blender. Its been a month since i started. Soo i dont know a lot of things. Please help me with my render!
WYTR-MazlumK's user avatar
1 vote
0 answers
124 views

There is no Shadow pass in Cycles

I want to render an EXR Multilayer sequence but there is no Shadow pass available. The 4.1 manual says there should be a Shadow pass option under Light>Other, but instead there is a Shadow Catcher ...
oliverwatson.tv's user avatar
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0 answers
19 views

Pixelated render for beginners help

New here, I used Cycles to render my Video - and now I'm stuck. It has created a very pixelated image.
Wurd Altidouka's user avatar
1 vote
0 answers
32 views

Periodic stripe artifacts in rendered depth maps with Blender4.1

I am using Blender to render a synthesized stereo dataset with depth maps. The code I use to save the depth is: ...
HY Lou's user avatar
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0 answers
31 views

Texture Problem When Trying to Render

Very new to Blender. I was trying to add some decals to a car, but while they show in EEVEE, they don't when in Cycles. I don't know if it's a texture, shader, or geometry issue. I applied the texture ...
Alecocuu's user avatar
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53 views

Invisible Clouds In my render viewport and my Rendered Frame

Im a intern that has recently been giving the task of making a logo animation for the company. Now im nearly finished and recently followed a toturial in order to make the clouds that my camera is ...
IncentroScout's user avatar
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0 answers
27 views

How do I avoid banding in volumes that appear only on every other frame?

I am rendering out a sequence and have noticed that there is a circular banding happening within a volume, but only on every other frame. This happens both on render output and in rendered view within ...
Blake Audette's user avatar
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1 answer
57 views

Where can I find a list of reserved keyword for named attribute ? (geometry Node)

I found out by mistake that you can use the "store named attribute" node to override values of some attribute. Like "position" for example (why would someone wants to do that ?). I ...
Alexis Just's user avatar
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1 answer
28 views

Setting up denoise light group help

I've created light groups and I need to render sequence (60 frames) in multilayer EXR with denoised passes. Is it correct setup and is it possible to render this sequence in blender? This setup works ...
Denis Zaitsev's user avatar
-1 votes
1 answer
52 views

trying to get rid of strange reflections

i've a pretty simple scene since i'm a beginner doing backroom hallways with simple texture and no special effects. first half of my render looked decent without those strange reflections at the walls....
user12585719's user avatar
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0 answers
29 views

Is it possible to limit the number of GPU cores in new MacBooks M series?

I am using blender 4.1 with a MacBook M3. I am rendering using the CLI and while rendering some scenes I would like to keep using the computer to do some other stuff, so I was wondering if there is ...
Iván's user avatar
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2 answers
45 views

Shading look weird when look from X angles in Cycles

I was making render from my last work but i notice somo weirds shading, that doesnt show up in other renders I checked all texture map are working well, also it have shade smooth so i don figureout ...
Haydz Booter's user avatar
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0 answers
32 views

Texture Difference EEVEE/Cycles

I am working on this sofa that I downloaded and I am not sure why but while the texture is rendering perfectly in Eevee, it ends up looking weird in Cycles. Would anyone know why this is the case? ...
zak's user avatar
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0 votes
1 answer
25 views

Glitch when rendering in Cycles

Its really weird, One side of the render has this weird line, I cut out a part of my drone render to show you. What could be the reason for this? I am rendering on Cycles. Checked the cad and it is ...
Jasper's user avatar
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15 views

How to set up object material as from camera view

I want to set an object material as camera view. Is there any way in Blender to do this? I don't have any idea so. btw, I'm using Cycles render engine.
Mr simulation's user avatar
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0 answers
21 views

RX vega 10 gpu not showing in cycles render devices

I have an amd Rx vega10 gpu but for some reason, blender just isnt showing it in the available gpus. Im pretty sure that my gpu is compatible for it. can anyone please help me out here.
Shabd 's user avatar
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0 answers
23 views

How can I solve Mixamo animation going to origin point?

Mixamo animation; my character sad idle to turn 180° then I add another action but that action going to origin point how can solve it? This my animation of Mixamo action how can I solve enter image ...
Karana 258's user avatar
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1 answer
104 views

Sky texture not visible in scene but the render comes out fine

Was following the Blender Guru's donut tutorial (10th part). As I was trying to light the scene without any lamps and using the sky texture, first the scene didn't go completely dark and when I added ...
Anuj's user avatar
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0 answers
25 views

Baking light in cycles

How to bake light in cycles for an emessive map? I only need to bake the texture that highlights the mesh with light
Mark's user avatar
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