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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Donut glass cup render has too many grains and speckles + denoiser come out distorted, shadow is also too opaque. What settings may I try out?

I feel I am nearing completion of the tutorial but am still having gaps in knowledge on how to render light properly. 2.92.0 blender file: https://pasteall.org/blend/6474d6f8bd5f4b1abbabaa41478e7e6a ...
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Discontinuous large values in depth map

For my project, I save rgb frames (PNG format) and the depth maps (EXR format) for different camera views. The compositor setup I use is shown here and I use Cycles. When I read the raw depth values, ...
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How to use both GPUs in for rendering by default

I have a Blender project where all is set up to render some cameras. I use 2 GPUs and, within the interface, the secondary GPU is never used until I go into properties and just uncheck and check again ...
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Can I find Geometry Nodes in Blender 2.91?

I am new to geometry nodes and don't know whether they're in Blender 2.91 or not. If not, can I add them into 2.91 somehow?
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Followed Blender Guru's Geometry Node tutorial (gumdrops), have some issues with how it looks

I followed the tutorial as closely as possible, have the exact same settings (according to my knowledge) but it does not look nearly as good. It's too transparent. Can someone tell me how to fix it? (...
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Blender has a problem with my GPU

My GPU supports open cl (it's a Radeon R9 M375) it should render scenes just fine but blender pretends like it can't do it and it doesn't show up in preferences BUT when I use SHEEPIT render farm ...
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1answer
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Jagged shadows on cycles [duplicate]

I have heavy jagged shadows on a simple scene, on cycles renderer. I am using an hdri environment texture as lighting source and a default A.N.T. Landscape mesh. I have also applied a material but it ...
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2answers
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Make Object Fall Over Correctly

So I have a small shack made out of Legos in blender that I want to animate to fall over, the only issue is that the z rotation doesn't work as expected. Here is a explanation in pictures. This First ...
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why is my mesh fully lit from all angles with no lights in the scene?

I am playing around with materials in blender cycles, and for some reason my mesh is brightly lit with no lamps in the scene. ambient occlusion is off and I tried restarting blender. what is going on ...
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CPU hitting 100% after rendering a few frames

I have this old file that I needed to make some changes to. I created a new file in 2.91 and imported all of the objects from the old file. The animation plays fine. I can render about six frames ...
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Can I know how many nodes are there in blender 2.8 [closed]

Like procedural, shader, geometry, animation can I know how many more nodes. How many nodes are there in blender 2.8
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HDRI error not properly when show up

everyone can you help me with this problem? i still use blender 2.79 hdri not properly show up. actually, I got one problem too but I forget to take a screenshot, when a textured object seen in ...
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payload on the video card [duplicate]

The question about the GeForce RTX2070 Super (8Gb) video card: I want to ask - why is it on the render in a blender with CUDA enabled, GPU enabled in Cycles render tabs, Featura support set - gives ...
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Hiccup on looping lego walk cycle

I have noticed that’s this topic seems to be a common theme but what ever I have seen on other questions doesn’t seem to help. My character starts in the middle with his walk cycle and using math ...
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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
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Texture seams in Cycles, but not in Substance or Redshift

I'm pretty new to Cycles and Blender as a whole, and am having issues with seams coming through when rendering with Cycles. I made the texture in Substance Painter and the seams didn't show up there. ...
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Smoke sim does not render

The smoke sim I made shows up in every viewport besides render, and it does not show up when I render image. I tried recreating the flow and domain, switching cycles to evee and back. https://pasteall....
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HDRI Not Appearing In Final Render [closed]

I am having issues with the final render and HDRIs. Whenever I render in the Cycles Engine, my HDRI disappears and replaces itself with the default background. Here is the image (note the lack of an ...
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1answer
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Lighting in Cycles is not working properly

When I try to work with Cycles my lighting doesn't show up and I see nothing in my viewport. But when I switch to EEVEE everything works properly: But when I try to render I get my model lighted but ...
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1answer
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Complications with rendering and compositing nodes

I'm trying to create a bloom in the Cycles render engine, I believe I have successfully created it but unfortunately, I'm having some trouble rendering the new nodes: Here are the nodes (notice the ...
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1answer
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Why is there no color in my lava material? [duplicate]

I followed a tutorial and it looked great there but mine has no color and also has no displacement either. tutorial i followed here: https://youtu.be/B4XDBG4m3d0
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Making inside of glass

Both of the yellow spheres are exactly identical, but the one in the glass cube looks more bleached than the right one. Which variables should I be looking at to make the color of the left sphere look ...
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Fabric geometry broken [closed]

Different models from model providers, not working, any suggestions.. i have done a lot of trouble shooting already, seems to be fine in the original scene one of the models.
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Depth Pass for Particles in Blender

Can't find much information on this but I have tried using the Depth > Normalize > ColorRamp to control depth pass for particles but doesnt seem to work. Any ideas?
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Render a “ghost” object that receives environmental lights but doesn't contribute

Let's say I have a scene like the "Cornell box" (https://en.wikipedia.org/wiki/Cornell_box). If I add a white sphere in there, it will: Receive bounce lighting from the walls and other ...
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Looking for Pasta Material

Looking for Pasta Material like this in Cycles. I tried so far. With this nodes. With the basic knowledge of nodes i tried. Need more details. any suggestion or help how to make like a pro material....
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1answer
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How to use Vertex Groups to determine the distribution of an object in geometry nodes?

I am using the new Geometry Nodes to put chocolate chips on a cookie. I have weight painted the cookie shape to keep the chocolate chips on the top of the cookie. If the vertex group is named "...
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Rendering doesn't work

When trying to render an animation on my new workstation in cycles, the rendering is stuck after a few frames and doesn't manage to continue for no matter how long I wait. I've got a problem. I ...
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I get white squares in my final render (cycles) [closed]

Weird whiter parts are appearing on my final render My render settings are https://imgur.com/a/abcHsd4
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why my blender keeps freezing? [closed]

good day sir, I have a laptop with the specification of an i7 8th gen intel processor; 16 GB ram and 6 GB Nvidia 1060 graphics card. After blender guru making cabin in the wood tutorial video I also ...
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Viewport “Render” is dark/greyscale [duplicate]

Following this tutorial, when I have my viewport render open beside my wireframe viewport it is displayed in a very dark colour/lighting. I have added 2 lights to the scene (10 and 30 W). Anybody have ...
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1answer
33 views

Why is the glass transparency not consistent?

I followed Blenderguru's tutorial and made some gum drops. Then I made glass container and use rigid body to fill it with dozens of gums, but why does it look so strange from outside? It looks like ...
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30 views

Texturing going crazy!

So I'm trying to model a can of Coca Cola. I use Cylinder projection and then scale it. I use cycles and I use the image texture node to go into diffuse BSDF color node and then from the BDSF output ...
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How to turn off shadow between ojects

I have been trying to render a gun in blender. It has a plain sign on its body saying "Made in Austria...". Even though it is a plain object, there is a shadow between the gun and the sign ...
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1answer
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How can I make my animation video repeat several times so it is a loop?

My animation video after the rendering is only 4 seconds long tho I want it to repeat several times so I can choose how many seconds the video should have. My animation video has 120 keyframes it took ...
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1answer
34 views

Why no displacement seen in cycles render

With the node wrangler addon. I tried the node setup. Will the maps. With the cycles render i cannot see the bump result. Cycles Render Result Node Setup In Material -> Setting i have selected ...
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1answer
19 views

A problem while rendering wineglass in Cycles

I have been trying to make a wineglass with filling using curves. In Eevee everything displays correctly, but I cannot say the same thing about Cycles. How can I fix this strange effect? I have tried ...
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25 views

Mixing materials using color ramps (and distributing with a random seed)

I'm creating some procedural abstract art in Blender. My goal is to create a material that mixes multiple shaders, with a seed driving the distribution of the mixed shaders across my geometry. Right ...
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22 views

How to get rid of black edges in material image texture?

Good time to everyone! How to delete this unwanted black edges in materials of leaves, or what this edges black are? Thanks to all in advance.
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1answer
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How do i get a specky looking metal through material nodes

This question might be rather specific, but i'm trying to replicate my laptop in a 3D render. (specifically, xiaomi notebook pro) I cant seem to get the specky metal of the laptop. This is my current ...
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33 views

Volumetrics looking OK in the viewport preview but it seems they emit light in the final rendering? [closed]

Watched a tutorial about a sand filled room and volumetrics by James Tralie. The viewport preview appears to be correct but when rendering it using cycles, it looks like there is some additional light ...
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1answer
24 views

Using global nodes to control environment quality?

I'm working on a fairly large environment render with multiple houses, trees, grass etc. and I'm on the limit of maxing out my GPU memory. Depending on what angle I'm doing a render, I will manually ...
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How to enable occlusion with shadow catcher in cycles?

I am using Blender 2.92. I have a shadow catcher in my scene, that I would like to also occlude objects between him and the light source. for example please observe the following result: The ...
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15 views

Motion tracking video will not appear in render [duplicate]

I'm trying to do some simple motion tracking in Blender and all I need is for the video I imported to show in the render. This is how I was told the nodes are supposed to be set up. I have my movie ...
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1answer
15 views

Noise showing up in the reflection of a plane

Is there anyway to easily remove this noise showing up in Cycles in the reflection of the plane? You can see it happening on the glass bottles right around where the "s" and "p" ...
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1answer
33 views

Smooth Volume Rendering without Denoise in Cycles

I am trying to get my volume to render smoother without using denoising in Cycles. Testing various render settings for volume I can't seem to achieve the desired result. I figured the volumes step ...
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Cycles diffuse bake always has seams/light bleed between intersecting/close geometry regardless of texture resolution

I really hope to get some help because I'm at my wits end trying to get Cycles bake to work with me here. For context, our team is using a mobile game engine to run a 3D explore-able world. The world ...
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2answers
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Help the lighting doesnt work and some part of the object is black

So i try to learn to create the chair just like blender guru tutorial, and when i try to render the model to finish the lighting lesson, it turn out like this (as shown in the picture), like the ...
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imported avi is jerky after cycles render in 2.92 / material preview in viewport is smooth

edited: thx blunder i am trying to import an existing AVI. with "import image as plane". everything looks fine in the viewport. but it looks jerky as hell in the final render. but its ...
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Get access to the device type GPU and CPU activation

I would like to store and load the activation of CPU and GPU in the device types. In the python console could I find this path: ...

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