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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Glowing transparent shader, Eevee and Cycle render different result

I am trying to create a transparent glowing shader. I manage to get the result I'm looking for in Eevee. However, it look different in cycle render. I am aware of the fact where both renderer is ...
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1answer
39 views

why isn't volumetrics showing up in the viewport in cycles x? [closed]

volumetrics isn't showing up in the viewport. Can anyone try it their self to view any volumetric object in blender 3.0.0 alpha(cycles x)
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how can I report my GPU problem to blender?

I have a Lenovo Z51-70 which has a Radeon R9 M375 which is from Radeon R9 300 Series Family and should be supported by blender but it doesn't show up in the System settings and GPU Compute I searched ...
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1answer
763 views

How do I clear the normal map seams even though I painted over the texture?

I have an altar model that I want to texture. I have visible seams, but I paint over them. It appears correct when a map is in the Color node (diff/normal). I save the painted over image, but when I ...
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1answer
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How to get better displacement result

I'm drastically displacing a mesh (with procedural textures) and due to the displacement being rather big and practically "vertical" there aren't enough polygons and it starts to look very stretched: ...
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1answer
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Hair partially disappearing in render after combing

I got a weird problem. Patches of hair on a rug for a bathroom scene are disappering in my render, but only if I entered particle edit Mode and combed the hair before. So, I start out setting up my ...
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9answers
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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-...
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1answer
20 views

Render textured mesh of multiple materials without light

I have a textured mesh of a house consisting of 94 materials. What I would like to do is render from the inside different sections of the mesh but without the effect of light. I want the rendered ...
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4answers
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Is there a way I can make render times longer to avoid overheating?

Whenever I render a picture above 16 samplings with Cycles, my laptop crashes in 5-20 seconds. Is there a way I can manually make the render time longer while not affecting the quality of the render, ...
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1answer
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Rendering in Black and white

I'm doing some basic renders in version 2.9 and they are appearing in black and white after render, but in the render view while editing, they look fine.
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1answer
574 views

Roughness in cycles render. Need help with nodes

I am new in a blender, So I have a problem. I created photo scanned texture with normal and bump map (8K res)in photoshop. When I applied it on the object, all looks good in material preview mode, but ...
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Not rendering properly

hello. I am new to blender. I created this donut. I applied a creamy material to the donut. But in rendering it is not rendering correctly and the donut material is white+light blue instead of cream. ...
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How do I fix a freestyle outline that is ahead of an animation? [duplicate]

for some weird reason after adding animation the hair of my character, freestyle is now ahead a frame. I don't have Motion Blur on, I tried using just my CPU, and rendering at different freestyle ...
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1answer
35 views

Cycles OpenCL and Mesa driver support

The Mesa driver from version 20.3 has full OpenCL 1.2 support, but Blender doesn't support GPU rendering using Cycles render. Why? When can we expect full Mesa driver support? My GPU is an AMD 5700 XT
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i3 7100 with rtx 2060 super , can this cost problems [closed]

hello everybody i hope you are doing good, i have a question about bottleneck when it comes to blender i mean my Processor is i3 7100 3.90ghz and it's working fine i just want to buy a new graphic ...
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0answers
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Radeon RX 570 poor work in Blender Cycles

My RX 570 4GB GPU is just enormous headache when in comes to rendering in Cycles. Most of the time my computer freezes and GPU driver crashes so I have to reset and wait for a looong 10 minutes reload ...
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1answer
150 views

How to create customizable Cycles Cel/Toon shader, that generates shadows?

I have successfully created a highly customizable Cel/Toon shader for Blender Eevee. The shader has lots of features, including but not limited to: Multiple light sources support, tone shape ...
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21 views

Artifact when using Transparent BSDF mixed with gradient-like material

I have a specific material that is a red-ish gradient. I want to use this mixed with an transparency option to show a slight hint of red. This object with this material is sitting above another very ...
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391 views

How to bake Boolean as a normal map

I have a revolver barrel, one of them is a low poly, and the other is a high poly. The high poly has lots of holes inside it, and the low poly doesn't have any. I don't want to ruin my topology/UV's ...
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1answer
43 views

Baked metal material looks different than material preview [duplicate]

I have tried a lot of different settings, but I'm not sure how to make the material preview to bake the same. I've tried mixed shaders in world settings with diffuse and glossy, but they all turn out ...
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34 views

How to make procedural broken glass material with a particular shape [duplicate]

Hello, I want to create something like this image does, in cycles. Does anyone know how to make procedural broken glass that can look like this ? I am looking for a way to not have the random voronoi ...
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2answers
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How to render Alpha background

I downloaded a file from blend swap edit it and I tried to render it with alpha channel but whenever I does this happens It look like it is rendering with alpha channel but it doesn't after when the ...
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1answer
51 views

Image Sequence Rendered Purple Despite Being Within Image Sequence Range

I am trying to display a movie of 500 frames from a projector and have the image sequence of the frames called 0001.jpg to 0500.jpg all in the same folder. I have set up my image texture node with ...
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1answer
2k views

One object turns gray in rendered/cycles view

I know this has been asked before, but my issue doesn't seem to be the same as anyone else's. One of my objects renders just fine in the viewport and under Eevee, but disappears into the solid gray ...
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0answers
10 views

Armature object disappears when rendering

Everything is visible in the render viewport, but when I render the image my model disappears. I saw that this can happen when an armature is parented to it, but I dont know how to fix it. Feels like ...
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Cycles OptiX rendered titles don't match between CPU and GPU

When I enable OptiX acceleration on GPU + CPU and then set Cycles to GPU compute I get an obvious glitch in my renders where the rendering tiles are clearly visible. It appears that the tiles rendered ...
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Cycles makes Grass look like Black Clumps

this is more of an expert advice thing than a technical error. I'm adding a grass particle system to my scene in cycles but somehow the lighting makes the grass look black and very not-grassy. Image ...
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Problem with shadows in Cycles

i have a problem with the projected shadow from a object to another object,in particular i don't know because a shadow don't follow all the geometry, in this case a cube. The cube shader need use ...
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1answer
21 views

Weird artifacts when rendering on Nvidia GPU [duplicate]

For some reason, when rendering on my RTX 2060 in Blender, I'm getting these weird flickering artifacts. As can be seen from the above screenshot, my node setup is a cube compressed into a plane by ...
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1answer
27 views

How to automatically make Blender choose random colors for your render

I want to make this render but don't know which color to use for the logo. How to make Blender render with random colors for me to then check and use the best one.
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Blender weird/broken normal map only in Cycles

Im experimenting with baking using Substance Painter and I managed to make a perfect bake, but only in Evee: When I try to use Cycles this happens: All edges are mark as seams and as sharps: (...
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2answers
42 views

How to create speckles in a sponge surface

How to achieve this shiny effect on the sponge surface in Cycles? The sponge shows tiny speckles reflecting light.
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1answer
18 views

Blender Cycles shows object in viewport render but not in final render

I'm following a really great forest tutorial. This is a picture of my render in the viewport. In the bottom left and right corners you can make out a little dirt texture that I've added onto the ...
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4K 250 frames Architectural animation Is it possible to render? [closed]

Hi I got an architectural indoor scene that I want to render 250 frames in 4K. I got the samples down to 300 with the denoiser. ( Cycles, blender 2.90 ). I tried to upload the animation to a render ...
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1answer
238 views

128 samples with node denoiser animation still flickering

I'm trying to do an animation but even if I doubled the samples my video is flickering, in another topic they suggest me to increase the samples, so I moved from 64 to 128 samples but the result is ...
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0answers
19 views

Why doesn't my HDRI show up in my cycles render? [duplicate]

I have been rendering in cycles forever and haven't knowingly changed any output settings for this specific piece but I can't figure out why my HDRI disappears when I try to render the image? It's ...
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1answer
38 views

Rendering animation is not working

I only have an animation of 5 seconds and is only rending like less than 1 second, the worst is rendering stuff that is not there, I don't understand why. In the first image is how is supposed to be, ...
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1answer
1k views

Cycles rendering mode crashes the entire program AMD OpenCL

I never had this problem before, I recently came back to Blender and I'm doing the Donut series by Andrew Price, everything was working fine and I got midway but from one day to another, the entire ...
12
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1answer
967 views

Realistic Light Reflection

I have an object that I'm trying to recreate in Blender. It's a bookmark with lights in it, and I'm trying to get it to have the correct light bounces. I'm trying to get it to look like this, where ...
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1answer
15 views

Having trouble rendering fire+smoke with transparency

I'm trying to add fire+smoke to a video by rendering out the simulation as a PNG sequence with transparency. It looks fine in the render window and in the compositor but when I drag in the final PNG ...
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1answer
16 views

Using texture painting on an existing node material

blender newbie here. For a school project I'm trying to create sort of a promo image of a table with a pattern laser etched into it. My first plan was to create a wood material using nodes and then ...
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How to prevent black holes when baking diffuse colors?

I am trying to bake a high poly model onto a low poly model I created using Instant Meshes. However, when baking the diffuse colors I get a lot artifacts (black holes under the chin and in the eyes): ...
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2answers
29k views

How to Construct a Diamond or Other Gemstone Material in Cycles

What would be the material or shaders node set up for a smooth gem in blender cycles engine? I want a result similar to this image:
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1answer
3k views

How to model the curly cable part of the phone

Hello. I am a beginner in Blender. I started modeling this phone and when I got to the curly cable part it was a real challenge. Could someone guide me on this.
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Strange RING ARTIFACT with fresnel layer weight

I'm new to blender was just practising making planets and when I was making an atmosphere around earth I got a strange artifact ring in the centre it is fixed at one location. and only appears in ...
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0answers
23 views

Dynamic paint gone when render

I have a ocean scene where i had a ship model and i want to create foam of the ship with dynamic paint, but when i render the dynamic paint foam was gone. I tried to bake the dynamic paint but what ...
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1answer
1k views

How Do i add colour to this image texture?

I think i have bumped it correctly? I now want to add colour so that the planet looks nice. Also I am having trouble with the image texture after unwrapping and scaling in the uv image editor- not ...
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Are there any good AI based implementations we could do to Blender from Github etc..?

I was wondering if any of you guys did such a thing before like implementing a paper's code for some physics improvements etc... It's just a starting point to me for now. My intention is to going full ...
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Shadow casting far from the base of the object

Does anyone have any idea why this is happening? The base of the golf flag is not above the ground despite how the shadow looks. For some reason when I render out the shadow appears like the object is ...
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1answer
29 views

Motion Blur problems with wheels and Rigacar

I am currently trying to learn how to use rigacar to create a scene of a car racing through the tunnel. I am having issues when I try to add motion blur to the wheels. With no motion blur, the wheels ...