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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14 views

How to create a scene for rendering?

I modeled some earrings and want to render them now. Any tips on how to achieve this type of scene (earrings laying on a fabric/cloth)? I've tried adding a cloth made in Marvelous Designer and made ...
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Does AMD CrossFireX matter for Blender?

Does AMD CrossFireX matter for Blender? Any advantage or disadvantage of using CrossFireX?
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NO cycles in the render properties tab(Filter addons off)

There is no cycles render option in the render engine list , i had a look on another questions but there was mentioned to turn of filter addons but i already have done it , my cycles is enabled in the ...
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Anisotropic Shader and Denoising

So, I have a scene where I had 8-16 samples set and Denoising checked, which worked great for smooth metals in the scene. Now I added one piece of anisotropic metal and was confused why the anisotropy ...
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Problem recreating black hole iridesium

I'm trying my hardest to follow this Iridesium tutorial, but every time I try to render it, it doesn't render the Emission Color nodes. Tutorial The Accretion Disk creation 5:03 The accretion disc ...
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Blender crashes when rendering cycles although using good settings

My specs: MacBook Pro (Retina, 15-inch, Mid 2015) 2.5 GHz Quad-Core Intel Core i7 16 GB 1600 MHz DDR3 NVIDIA GeForce GT 750M 2 GB Intel Iris Pro 1536 MB Here are the images of the setup for the render ...
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Colorimetry is not the same

I wanted to know if you know why the colorimetry of the image is not exactly the same when I save the image of the rendering, my settings in the save are however the Blender standards (RGBA, Color ...
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Blender 2.9 instantly crashes when I try to render in Cycles

Blender 2.9 crashes instantly when I try to either render the viewport in cycles or when I try to render the scene in Cycles. My computer: Mac Pro early 2009 OSX 10.13.6 High Sierra 3.33ghz 6-core ...
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Blender Cycles rendering with GPU freezes (2.90) can someone point me to a guy who actually knows what the errors mean

Hi i have 2 rtx 2080ti and this issue has been going on for over a month. the cycles render engine pops up with an "illegal cuda error message" or sometimes it doesn't even mention the error ...
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Does CUDA matter for Blender performance? [closed]

Does CUDA matter for Blender performance? What about CUDA and Cycles performance? What about CUDA and Eevee performance?
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Blender Visual Glitch

I'm not sure how to describe this, but it happened after killing the process of a blender texture baking. Now there are invisble or colored planes flowing through or from my mesh when I select it and ...
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Rendering (CPU+GPU) crash almost every time

I have a newly created .blend file (totally about 83 000 faces and 8 MB large) that crashes almost every time I Cycles-render with cpu+gpu. I have set it to 500 samples and 1920x1080@250% (i.e. not ...
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Blender doesn't use RAM, CPU, and GPU of PC

In the Blender Editor, it really lags (cycles and eevee). But it only uses Max. 15 % of CPU, Max. 10 % of RAM and 0 % of GPU. Why? It could be much faster. Please help
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Can a material be reflective, but not reflect a light source?

I want to have a reflective floor, but have it not reflect rays coming from a light. Using Blender 2.90, Cycles. I want the light to create glossy reflections on the other objects in the scene, so I ...
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Blender crashes when I use volume absorption

I recently began using Blender. I was attempting to add volume absorption to a transparent material, however when I did, Blender stopped responding and crashed. It only crashes when I try to render ...
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Light Presets .exr

I would like to install light presets for Blender to automate my lightning in my scenes. I have some .exr files (from Greyscalegorilla) but I don't know how to do it on Blender to make it work. Can ...
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Can shadow terminator offset be implemented using an osl script?

From blender 2.9 there is Shadow terminator offset which hides the shadow artifacts in low poly meshes. I want to know the algorithm of this property, and know whether it's possible to implement the ...
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Anisotropic shader not working with new file

so I tried following this (somewhat dated) tutorial to create an anisotropic material. Unfortunately no matter what I do, the objects don't look anisotropic at all. Here's my attempt at following the ...
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1answer
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Panoramic render not working

I'm trying to create a HDRI picture of the moon to use for a Fusion 360 render (so it has to have a 2:1 aspect ratio). I've followed several tutorials, but no matter what I do, I'm just not getting a ...
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Z buffer read from exr file is all ones

I render RGB images and their depth maps as well for a series of frames (using cycles). Specifically, I need not a B/W depth png/jpg image, rather the actual depth values itself, which I can later ...
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FBX file shows up in object & render but not the final Render. How can i get it to show up?

I've been working with a Freelancer who works with 3ds Max. He has been able to model and export the object as a FBX and OBJ file that both successfully open into blender. However, when rendering the ...
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Why is `Alpha Over` compositor no longer blending values between 0 and 1

I have the following compositor nodes, that are supposed to add a white background behind my transparent render layer (using setting Render Properties -> ...
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3d objects that disappear in my scene when rendering using cycles

I'm creating a small scene, which is my bedroom, and following is the problem i'm facing This bed that shows in preview mode just disappears in cycle render Only the feet remain. These two objects ...
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How to modify material node tree in order to get realistic craters

Good morning, I' m trying to reproduce the surface of an asteroid. The result I obtained is quite good, the only problem is that I've created the craters thanks to a Voronoi texture and as can be seen ...
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Why is my rendering in cycles NOT grainy at all?

I'm following Blender Guru's doughnut tutorial and have the rendering engine to cycles. At first, the render was grainy, as it should be. I stepped away from the computer for a while to wait as it ...
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BSOD/Crash while using Cycles rendering engine on GPU [closed]

I'm very new to Blender (literally started learning it yesterday using Blender Guru YouTube channel), and I like it so far. But I have already ran into a problem. I have the following system: AMD ...
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Real Translucency (NOT Transparency or SSS) in Principled Material Setup

I'm trying to create an effect where a creature has a part of its body that's really thin and translucent, and the blurry silhouettes of the bones can be seen inside it when light is behind it. In ...
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cycles renders dark

I am having a problem with cycles renderning almost totally dark. I have Blender 2.83 and 2.9 and have the same issue in both. I render the scene in Evee and it works great and when I switch to Cycles ...
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Why there is this wired “black” in my transparent material as distance is far [duplicate]

I've imported this word with bounch of flowers. I've thecked the materal, the UV and it looks fine. But somehow, there is this wired "black". And this black even shows up when there is only ...
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How can I make rain in blender?

I want to make plain rain in blender, but the most recent attempt in cycles resulted in the denoiser eating it :P Is my only option no denoising, EEVEE, or a purely compositing effect? Have somewhat ...
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Does Nvidia SLI matter for Blender? [duplicate]

Does Nvidia SLI matter for modeling in Blender, rendering in Cycles, rendering in Eevee?
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Particle System ignoring my vertex group density

I've seen similar questions like mine, but I couldn't get their answers to work for me. Basically, I'm making a glass and I want a particle system to generate condensation on a specific area of the ...
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Rendered image is missing the top part

I am trying to render image with 7680x4320 resolution using 2000 samples. In rendering processing I can see all view as I set in camera. After the render is done, blender is cuting top side of image. ...
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My model looks BALD when I use cycles render

I created this models hair with the particle system in eevee and it looks fine there but when I convert to cycles her hair looks very thinned out and idk why.
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Animation rendering each frame twice

I have an issue that happens sometimes. When rendering an image sequence animation, each frame is rendered twice. The second one above the first. It doubles the render time. I have cheked off the ...
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Hollow VDB while rendering?

Rendering the VDB in viewport will give me the same, hollow-looking result as in the final render, but messing with the "wireframe" option underneath viewport display will give me a thicker ...
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Reflection shifts when trying to make a normal map stronger (cycles)

How to avoid it? I cant apply the normal map correctly [
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When i'm in my viewport, rendering with cycles just looks like eevee

I'm making the donut from the Blender guru tutorial series, but when I went to switch to cycles, it was supposedly already rendering in cycles even though it looked like Eevee. when I was working ...
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Render screen normals for tiling textures in Cycles

I'm currently making a tiling texture using particles and cycles. The particles are instancing cards which have a material with albedo, roughness, normal and an opacity texture applied. I'm able to ...
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how do you convert this code to nodes?

So I have a list if vector4 values here [-4.571429, 12.142858, 0.35, 0.35] that need to be used as remapping values for a roughness texture i have. But here is the thing, my friend doesnt know nodes ...
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My rendered image is still showing black after applying alpha clip and using an alpha

I'm using cycles and trying to get the background areas that don't have any texture to be transparent. Here's my shading nodes and the rendered view, along with the texture tab open on the side. Any ...
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Rendering animation not working

I have made a simple fluid simulation in Blender 2.8 and whenever I render it it doesn't work. First I tried rendering it as a png but that just produced 4 images and no video or animation. Then I ...
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Lens settings missing from camera settings

The lens settings such as these, specifically the Clip start and end buttons,: Are completely missing from my panel. This is what I see: Does anyone know why this is happening? EDIT I have found ...
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Cycles 2.90 Amdkmdag.sys crash with RX580

Since a week ago I do have a continuous amount of freezing and BSOD in my computer when i render heavy archviz poly scenes in my gpu+cpu. The problem seems common with amd's drivers, but maybe someone ...
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when rendering an animation output is incorrect

i don't have much experience with blender, and am only using it to make an intro. i found a template online and imported it to blender and edited the text. i used the same output settings as i did ...
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Custom blurred pointiness node using normal input

I need to create blurred curvature map, I'm currently using Pointiness input along with ColorRamp node but because the Pointiness node doesn't depend on coordinates input I'm unable to blur the result ...
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Eevee vs. Cycles in camera

I would like to know how in Blender 2.90 do I set Cycles in Camera and Eevee for the rest. This is due to render time of course.
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How do i activate 'rendered view' in Cycles. Shift z is not working

How do I activate rendered view? The hotkey is 'shift z' but this does nothing. when I press 'shift z' it just goes to wireframe mode. What am I doing wrong? I am using a mac - blender version 2.9
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Can't render with GPU

Recently i bought Asus Dual RX 580 4gb. I was happy because i thought that now renders will be much easier than before but there was surprise for me. Blender can't render with GPU. I've tried ...
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Normals and vertex normals are correct, but faces are showing black in render

I imported this FBX and some faces on the model are looking weird. The normals and vertex normals are correct... I already cleaned "custom split normals data" but the problem still exists... ...

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