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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No shadows with Eevee, no render with cycles

This is my first time using blender in a very long time and I'm trying to make a render of a board game I'm working on. I believe I have everything set up correctly but when rendering with Eevee don't ...
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Render Blurriness in Blender 2.79

I've had an issue with this render where every time I render the scene, there is always blurriness in the areas of shadow/transparency. To combat this, I've previously attempted to increase the ...
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Long render times in Cycles

So previously I have been making small animations in Blender 2.7. I wasn't around for the 2.8 update and I found I had to relearn a lot of key binds and stuff like that. However, loading an old ...
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Improve render settings for indoor lightning

I have a large indoor home scene to render (which I cannot show as I signed a NDA). I'm using the following settings which do remove a lot of noise in the final render. However, it also looks a bit ...
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Emission shader on large object is black in Cycles?

Starting with a new scene, I inserted a UV sphere with a 5028' radius (1 mile). In edit mode, I removed the bottom half making it a dome, then flipped the normals inside. Then I added an emission ...
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Rendering cancel with OptiX

I have a small trouble with viewport rendering in Cycles (b2.82a) + Optix [RTX 2070]. As you can see on the screenshot, it is "cancel", so objects in one of my scenes appears just gray in gray space, ...
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1answer
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Weird outline between two roughness values

I'm working on a blue painted wood, which looks like this: As you can see, the growth rings are much rougher than the base which creates this interesting 'inversion' effect. I tried to replicate that ...
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3answers
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Texture rendering in Eevee but not in Cycles

I'm facing some issues to render texture in Cycles. It works very well on Eevee engine. Here is the Eeeve rendering with textures (lines on hills) When I go to Cycles, nothing is rendered. I'm an ...
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How to make a solid shader in blender?

I'm trying to get an accurate RGB 255, 0, 0 color. Render engine: Cycles Here's my attempt, what am I doing wrong? I've tried using different color management ...
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New Linux system for Blender

I have just received my new Linux computer, I am coming from MAC background and I am having a few problems. I have a AMD 3970X with Nvidia 2080Ti with 64Gbs Ram but my system lags and Blender crashes....
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My blener Rendering GPU usage doesn't exceed 2% for Cycles and 30% for Evee…How ca i tweak my settings for maximum GPU usage?

i have blender installed on a laptop , and below are the specs of my laptop: Model Name : ASUS TUF GAMING FX505DT Processor : AMD Ryzen 5 3550H with Radeon Vega Mobile Gfx 2.10 GHz Installed Ram : 8GB ...
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Cycles. Masking objects with shaders (no compositor)

Starting off I want to clear it out that it may be a duplicate question, but in fact it is not. 1. Here's my previous question Cycles. Masking shader. How to make objects disappear in plain sight. 2....
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Free (at the time) Addon that gives 20 F-Stops to Blender Cameras

Months and months ago, I remember seeing someone from a movie company (I think) that made a Blender camera plugin aka addon for free that gave Blender's cameras as many F-Stops as the human eye. The ...
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1answer
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How do I change Z offset in Blender 2.8?

I'm trying to get an object to show up in front of another. Where is the Z offset, and am I able to keyframe the value?
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Fragments / light splotches in gpu render but not cpu render

So I’m trying to render this glass full of liquid, it renders fine on CPU render but on GPU render I get wired fragments/splotches in the shadows. I already tried reloading the kernels and all that ...
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1answer
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Blender 2.83 Displacement - Cycles and Eevee

I have problems with working on displacement node. So there I have setup of nodes. Cycles Render Eevee Render On Cycles there's some error in displacement. I tried to adjust displacement with ...
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Can't switch rendering engines

First off, I'm a beginner, and started yesterday at the time of writing this. I was working on a project (the donut) and when it was time to switch rendering engines, I switched to Cycles and it ...
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Using Blender for Radio Frequencies

I'm a researcher interested into radio channel modeling and I'm currently working with a custom-built ray-tracer for such purpose. I would like, though, to have better performance, e.g., using GPU ...
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1answer
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Combining denoise node with other nodes in compositor?

I'm rendering a thing in cycles and I think I put the Intel denoise node in the wrong spot, because it won't mix with the rest of my nodes in the composite. I've been using Blender for a couple of ...
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Blender 2.8 does not render view port image

At the end ~26:00 of this tutorial: https://www.youtube.com/watch?v=wUoE-1vYXPI the selected view port is rendered. In my case, however, the render result differs from the view port: Why isn't ...
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1answer
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Cloth texture not rendering properly when animating

I have created a character, rigged it and added clothes. These clothes are rigged to the armature and the skirt has a cloth modifier added at the end so it moves properly. The problem is that in the ...
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Strange artifacts using Cycles

When I render in cycles i'm getting these weird artifacts. They look like surfaces that have been translated, scaled up, generally funked up. This model is probably a mess under the surface. It looks ...
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Is there a way to adjust Vibrance in the compositor?

There is of course a node that deals with saturation but I'm not finding anything for vibrance values like in Photoshop which I find a bit more useful. This would be a very helpful thing to include in ...
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UDIMs not compatible with object particle systems?

I've made particle system based on single feather alpha and to color it I used color map based on main object. Since it has UDIMs I used them as well, just scaled color map to 512p to save space. All ...
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1answer
32 views

Preventing text or object from reflecting in scene (blend file included)

I have an object / text that reflects in a scene is there a way to have the text / object be excluded from creating reflections onto other objects? I would like the text to look "normal" and not have ...
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Water reflection malfunctions in landscape scene

I just did a first cycles render of my first landscape scene (see attached). Upon first inspection I noticed a part of the reflection of the cherry blossom tree was too clear compared to the rest of ...
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3answers
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microdisplacement and render farms

I have a large animation to render that I just can't do on my machine. Does anybody know of a good render farm that supports micro-displacement in Blender's Experimental mode? And/or is there a ...
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1answer
20 views

How do Power and Strenght values correlate?

When creating a non-light and giving it an emission shader, what values of "Strength" are equivalent to given values of "Power" in an area light? Not a duplicate of Understanding light power values. ...
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Blender 2.79. Cycles Render. Output of animation in PNG Sequence. Level of compression

Do you use level of compression = 0 when you make output of animation in PNG Sequence? There is field Compression in Blender. Available values from 0 to 100. If to move cursor to this field ...
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My render is black and all of the fixes I have seen do not work

I am following Blender Guru's donut tutorial on Youtube, and it was working fine until I started doing the coffee. Now, whenever I go into the render viewport the screen is completely black. Whenever ...
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1answer
29 views

Glass material with darker areas Cycles

I'm modelling a nutella pot, however I have a rendering problem. As you can see I have a dark spot around the glass pot, my shading render is very simple though : Also, I made the nutella model and ...
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Grease Pencil Clipping Through Objects?

I've been using the grease pencil to create lines around my objects in Blender 8.2 with Cycles. I'm really happy with the results for the most part, but I'm having problems with some of the lines ...
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How do I hide an emitter plane while keeping it's emitted light visible in a cycles render? [duplicate]

This is how you used to be able to do it in blender 2.79 https://www.youtube.com/watch?v=_lsRQQLFVEY I can't find this option in 2.8
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Planes showing in render preview but not when rendered

I'm experiencing an issue when rendering my scene. In render preview the 'ceiling' and 'ceiling lights' are visible, but when I render, those two are missing. I'm new to Blender and I'm using 2.8. ...
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How do I create a Drag Strip Material?

So I´ve been trying for multiple hours now to create a drag strip material. But because im relatively unexperienced when it comes to complicated materials I was hoping maybe that someone here could ...
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How to render animation with multiple background images?

I am doing an animation with a scene surrounded by four different background images. The camera will move around the scene so the four background images should show on the right position. I got ...
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1answer
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Rendering applies weird squares over my model

When I do the final render its all good until 99% and when it reaches 100% then it shows out of nowhere this random square. How can i fix this? this square doen't exist in my collection. also i have ...
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How can I make a glossy BDSF shader reflect the true color of an emission?

I have a red glossy shader on a car and a different object with a blue emission shader, the blue emission is reflecting off the glossy shader as yellow. How can I make the reflection the true color of ...
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Darken a shadow on a shadow catcher without changing the light on the object casting it? (Blender Cycles 2.81)

I am making a very short video in which a miniature dalek model (https://www.blendswap.com/blend/6326) goes around my table, and I made a shadow catcher plane, and I wanted to make the shadow brighter ...
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Square artifacts appear in subsurface'd, smoothed UV sphere

I'm rendering planets using a couple of UV spheres (terrain and atmosphere) and a displacement node (for mountains) in Cycles. Since I've upgraded blender, sometimes the renders have square-edged ...
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How to Test OptiX with GTX 16 Series?

so, i see this https://developer.blender.org/rB58ea0d93f193adf84162d736c3c69500584e1aef#change-e67uUgRJWMjZ . and then how to implement it to our blender?
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Glass being very odd in blender

Recently, I've been trying to make a donut and coffee using blender guru's tutorial. However, earlier today, I made a change (though I'm not sure what exactly), which caused my glass material to act ...
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2answers
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Make objects reflect from separate view layer 2.8

My last post of this was marked as a duplicate for glass shaders. I want to make explicitly clear, I am NOT asking for glass shaders. I'm doing a bit of archviz for a buddy's bathroom remodel, and I ...
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1answer
35 views

Blender Fluid Baking taking so long

I am trying to make a little coastal scene, very basic just the odd wave and clash with a rock or two. The fluid sim bake is 771mb, why does it take 2-3 hours to bake that? My computer has these ...
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Sprinkles are turning out different in rendering than they are in the view-port?

I'm just learning Blender, so bear with me if this solution is simple. The first image (the screenshot, through the camera) is what I want, but when I click to render the actual sprinkles on the donut ...
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Make light pass through plane in cycles

I'm doing a bit of archviz for a buddy's bathroom remodel, and I want the windows and reflective surfaces to show a background without it darkening the scene. I think in 2.79 you could set the object ...
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1answer
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Duplicated object not showing when rendered

So basically, duplicated items don't show in render. I've tried ticking all in filter, one by one, all, none and still doesn't work, I've also checked if if the visibility boxes are ticked, but still ...
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1answer
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Duplicated object not showing in render

My issue is that my duplicated objects are not showing. I've tried everything, visibility options are on, turning all restriction toggles on and off, one by one, everything but I just couldn't make ...
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1answer
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Blender rendering black screen when light out of interior

I'm pretty new to blender and for starting wanted to create my room. I just wanted to make render in middle of work to see how is it look like without noise and all that laggy stuff. I started it and ...
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GPU Render crash_Blender 2.8

I've got a problem with render by GPU in Blender. I've got Nvidia Geforce 960 2gb (I know it is't great). I enabled it in preferences, and try to render simple interior scene with only floor, celling ...

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