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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37 views

Is there a way to make a hair particle look like a mesh I've already made?

So I have my character, and her hair is already an object mesh (modelled and sculpted), but now I want to add realistic hair to it. I tried using a hair particle system, but I'm finding out that you ...
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Blender hair in viewport looks nice and in render deformed

Essentially that's it, I have styled the hair and everything and my viewport is set to display the same amount of hair as in the render, so I was expecting the same shape as in the render, but when I ...
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12 views

Display Cycles tile mapping onto camera view

Sometimes I'd like to set/adjust my Render Region to be rendered in as few tiles as possible. It would be nice to see where these tiles would be in my camera view as I start to draw the RR. Is there ...
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13 views

Cycles Rendering in UI not working - Command Line is fine

I am having an issue with Blender 2.91.x and above, where I can very rarely get cycles rendering to work in UI mode - ie by hitting f11 or f12. I get the occasional render but it certainly cannot ...
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Nvidia 3090 - Cycles Rendering - Crashes

I have recently bought a 3090 to use for rendering purposes in blender and I have been encountering ALOT of crashes even when rendering a relative small scene. I have used both CUDA and Optix options ...
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Weird intersecting mesh on final render (w/ Boolean modifier)

I'm using a Boolean modifier set to Exact (Blender 2.91.0) to create a rather simple shape to merge a disk and and another half disk (see attached), and while it all looks fine in the render preview, ...
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2answers
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Switching from eevee to cycles messes up lighting completely

This is how my render preview looks in eevee: However, if I switch to cycles, this happens: I've been following a tutorial to get to this point, and I'm really a beginner, any of you have an idea of ...
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1answer
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How long should the Blender BMW demo file take to render? [closed]

This is a different question. But I didn’t know where else I should have asked. I tried rendering the Blender BMW demo file (in cycles, with GPU) and the render took 37 minutes and 48 seconds. The i ...
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1answer
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Is it possible to read and write to a texture using OSL?

Is it possible to read and write to a texture using OSL? I'd like to recreate this implementation of Conway's game of life using Blender OSL shader scripts. This was done using WebGL [HERE]. The key ...
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Dark tris and quads in random places when rendered with Cycles in Blender

I made a Mage's hat in Blender following the tutorial ( https://youtu.be/FTlvbVy8Hc8 ).I have finished the modelling and shading part but when i rendered it i got lots of dark triangles and quads on ...
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Info Node Eevee Integration [closed]

I am currently working on an integration for a length socket in the Hair Info node and got it working in cycles allready, but am currently struggling to find out where in the code the shader values ...
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How do you render a shadow pass from a shadow catcher in cycles?

I have an object (an apple). I've covered it in water droplets using hair particles (from a second hidden emitter). I only want to render out the droplets and their shadows. I've set the apple to be a ...
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Render Passes File Output in Headless Mode

Here is the blender manual on command line rendering: https://docs.blender.org/manual/en/latest/advanced/command_line/render.html I am having an issue in blender where blender hangs on rendering in UI ...
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1answer
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Problem rendering additional scenes

I'm relatively new to blender since Dec 2020. Using Blender 2.91 I'm currently working on an animation , which I’ve split over 5 scenes. I made a new scene each time by making a Full Copy of the ...
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0answers
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Lighting inside transparent material is not working ideally. (Cycles, Ray Visibility Uncheck shadow not working)

I am creating a house exterior and setting lighting from inside the house. However, the point light through the glass (transmission = 1.0) looks like a ball along with its radius. Could you please ...
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1answer
24 views

Rendering messes up my image but its correct in viewport. please help

I was wondering if anyone could help me with a problem I have when rendering in blender. So my Viewport looks like But when I render it looks like If you could please give me some advice on how to ...
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27 views

How do I make wine bottle reflections blue?

In my photographic work I've often desaturated the blue tint that appears in the highlights on red wine bottles but now creating them in Blender I'm finding the subtle tint adds a great level of ...
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0answers
18 views

Cycles rendering circles with strange feathering

Circles and other round objects are coming out with strange indentations on the upper most parts, and protrusions on the bottom. Everything in the project is the default blender project, except the ...
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0answers
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Mesh shows up as wire frame in solid view

I noticed that one of my meshes shows up as a wireframe even in solid view. Is there any way to fix this without having to remake the object? It renders it as a solid. .blend file
3
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1answer
17 views

Why isn't the Image Editor showing the denoising image like in the Compositor?

I am fiddling with denoising a set of images but the image in the Image Editor is not denoised as in the Composition Tab. Is there something that I am missing to do? I have already tried detaching and ...
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1answer
84 views

How do I denoise an image sequence that has already been rendered?

I have completed Andrew's donut tutorial and I have a full set of 30 frames that makes up the image sequence. I opened another Blender tab (closing down the tutorial with saving) to compile the frames ...
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24 views

My glass becomes opaque on the bottom

I made a wine bottle for a client and when it's turning it becomes opaque at the bottom, really strange and I do not understand why. Do you have any idea ?
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1answer
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Rendering in cycles distorts material

I now know that the problem I had with render mode was because I rendered in Cycles but I think I have to keep working with Cycles for this one so maybe someone can tell me, why the material looks ...
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Tips for rendering faster in CPU [duplicate]

I know there are a lot of websites there which are answering this, but as I was making video which is only 1.3 seconds long, it took 2.5 hours to render, also with all the tips I found. I am using CPU ...
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1answer
109 views

blender 2.91.2 bevel node doesn't work properly

bevel node doesn't work properly in rendered mode with cycles, it darken the edges rather than soften it
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Shape weird in Cycles rendered

I have made a condominium on blender, however the Cycles rendered image became something wrong. Eevee render is fine. Could you advise what is wrong with my Cycles setting? Thanks, First pic: Eevee ...
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0answers
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After following Guru's tutorial, the reflections and shadows look weird in the render view

I finished the part where you make the coffee cup, the plate, all glass, then add a liquid, etc Now I was supposed to move onto where I turn that liquid into coffee and such But I noticed weird ...
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1answer
146 views

Cycles wont do the amount of samples I put in at min samples

I don't know what I changed but I've been trying to change my settings to get less noise and a faster render, but now it wont do the amount of samples I want it to. 1 sample takes as long as 1000 ...
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1answer
23 views

Black patches on meshes that use transparency [duplicate]

I have imported a model that was generated by Mineways, a software that can convert Minecraft worlds into 3d models. Then I also loaded up the material using the MCPrep addon, but now I have suddenly ...
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19 views

Light reflects in Glass Object: Different result after rendered

I have made light bulb. However Cycles render result came different from what I see on Viewport Shading. Could you advise how I can make rendered image as same as Viewport Shading? I set emission on ...
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1answer
35 views

Glass shader. How can I get rid of the reflection in the glass?

I have two planes with a glass shader one after another, and the object is reflected in the glass, how can I get rid of the reflection in the glass? https://disk.yandex.kz/i/5t71DmYOupy7jQ
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When using “Bake from Multires”, the resulting normal map has odd pattern along topology

A very peculiar, corrugated pattern appears on the baked normal map from the Bake from Multires option. Blendfile: https://pasteall.org/blend/53326714fd7e42ab966a58667ca05faf Everything I've done: 4k ...
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0answers
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Fluid sim does not show up, even after baking

I have a fluid sim set up with 2 inflows, and 2 out flows. The particles do not show up. I remade the inflows and the domain, but it still doesn't show up. I deleted a bunch of other stuff around ...
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0answers
35 views

The bottom of my cup is transparent with black speck

I am following Blender Guru tutorial on the coffee cup. Everything seems to flow smoothly until I finished and realised that coffee does not meet the bottom of the cup. When I check the liquid (coffee)...
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0answers
19 views

Glass material reflecting weird when looking from side

I have a 3d model: And when I look front the side, it looks like this: It shows the HDRI completely. I want it to look like this from all angles: But for some reason, the side shows the HDRI instead ...
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3answers
1k views

How to add golden line to my maps?

I have used displacement to create a map (based on a heighmap) Now I would like to add golden topographic line. I succeed to have : either a white map either a full golden map But I would like both. ...
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1answer
48 views

How can I get this shimmery/pearlescent fluid?

I was wondering if it was possible to get this kind of pearlescent fluid color or whatever its called.
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1answer
31 views

How to get procedural shader to deform with bone deformation?

I'm using a procedural shader (Cycles) on a model that I've rigged for animation. When I pose the bones, the texture seems to be projected based on the world space and doesn't move with the ...
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0answers
39 views

Blender transparent bsdf not fully transparent

I was trying to add a fire effect to the side of this car. I wanted just the fire to be showing and everything else transparent. I made the node setup. But for some reason, the transparent areas were ...
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0answers
13 views

How do I bake a texture correctly to a UV Map

I want to bake the materials of this chest Into a single texture, now I know how to bake textures and stuff but I don't know how to map the texture out because as seen here I don't know how to make ...
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0answers
34 views

Particles render in viewport but do not render

I am new at blender and trying to play with particles but it doesn't work when I render ( try as png and avi and nothing). I already tried several things mentioned in this community, but nothing ...
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1answer
12 views

Textures not being imported with .obj

I downloaded a blend file with a car mesh that had textures on it online. I opened it, deleted a few meshes, then exported as .obj. But when i imported it as an .obj into another project it didn't ...
2
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1answer
13 views

Image Render Works, Animation Render Doesn't

I've been working on a donut (BlenderGuru) and it's all been working great. I render a single frame with F12 and it renders fine. Once I go to Render -> Render Animation, it's just one of my ...
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2answers
32 views

Why does cycles render shows faceting in shadows? [duplicate]

I'm new to Blender, and I'm doing a very simple render using Cycles. As you can see in the image, I'm getting horrible faceting in the shadows on the sphere. Does anyone know how to fix this? Thanks!...
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1answer
19 views

How to make a texture from the view of the camera live (cycles) [duplicate]

i am making a security camera and a want the view of the camera to display as a texture on a monitor. How do i do that?
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1answer
51 views

How to display patterns on an LED cube?

I'm trying to render a test for a large scale LED cube, and it would be cool to light it up virtually. I can't think of a way to add textures other than on the surface of the LEDs themselves (i.e. ...
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0answers
28 views

Cycles Render in viewport extremely slow?

I have two 2080 TIs (both are checked on in the system settings), but cycles takes minutes to becone visible enough through the render noise to see my scene. This doesnt seem right to me....is it, ...
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0answers
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Rigid Body and cell fracture acting weird after the first frame

I'm making an animation, im using cell fracture. I have something that will get smashed later in the animation.This is what it should look like: That is frame one. When I go to frame 2, it looks like ...
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1answer
22 views

how to make the shadows in Cycles stronger from the grid table lamp

Hope someone could help me. I have modelled table lamp the mesh is totally a grid i need to make render result with strong dropped shadow from the light point inside the mesh, the problem the in the ...
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0answers
27 views

How can I reflect the world background on an object

It just reflection the object so i need to make a sky background on it. I am using cycles render.

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