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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Why is my rendered low-poly object so blobby? It's rendering with polygons that aren't in the model
I'm not just new to Blender, this is actually my first Blender project that was good enough to try to render. Unfortunately, the render went poorly.
I'm on a fairly new M1 Mac Mini. I used GPU ...
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Screen capturing via code
I created FBX and FLT files with textures and polygons and, thanks to awesome Blender, I turned it into a very nice simulator. My goal is to add some drawings/markers/polygons, based on my location in ...
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Cycles render is transparent/grey irrespective of material
just.... what is this please? Suddenly, even the basic Principled BSDF material looks like this in Cycles. Thanks! :)
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Turn off shadows cast onto Backdrop Image
Is there a way to turn off "Shadow Catcher" for a backdrop image so no shadows are cast onto the image?
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Mesh is going through random and erratic deformations that only show up when rendering
There appear to be some vertices that are suddenly jumping around all over the place. The weird part is that this only happens in render and not in the viewport. It also only occurs when I'm using the ...
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fire with transparency
i tried following this tutorial on realistic fire in blender, and all went very good up until the rendering. Blender apparently renders it with no problems at all
but once I save the file it simply ...
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Caustics disappear with liquid in glass
I'm using caustics to render this perfume bottle.
When I render only the liquid, everything works correctly (left image). If I render only the bottle also (image in the middle).
If I render the liquid ...
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What's causing these artifacts that only shows up in renders and not viewports?
I'm trying to figure out why this artifact is showing up in my render, not my viewport. It's almost like there is another object in my scene but I can't I have no idea where it is.
All of my shadow ...
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Blender/GPU Crash
I'm trying to render out a 10 second animation as a PNG sequence. I'm using Cycles Render Engine, but the render either stops rendering after one frame is completed and I get this message "Failed ...
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The background image don't appear
so in viewport I can see it but in render no, I checked everything, ask chat gpt, etc.
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Unable to get Cycles renderer to output anything but grey
I've been trying to use the Cycles renderer in Blender 3.5 (problem happens in 3.1 as well) on a late-2019 Intel MacBook pro with an AD 5500M GPU. When I configure the material in the scene to use ...
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Blender donut color randomisation
https://www.youtube.com/watch?v=bLw0HwphXO0
I'm on this video of the tutorial and have got everything else working, but on the shading tab, when I add the object info node, and connect random, like he ...
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Slow Rendering 4K Images, Fast When 2K Done First
I have a fairly large scene I'm rendering with Cycles in Blender 3.4.1. If I render at 2K all is well - it takes about 15 seconds per frame. If I then switch to 4K, it takes about 60 seconds per frame,...
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Blender crashing when trying to access the viewport shader in blender version 3.5 [closed]
I am still new to the hardware aspect and using 3D software such as blender .My specs on my desktop is just the bare minimum but it could run blender viewport shading with default settings on version ...
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Blender 3.4-3.5 running up to 2x slower on Ubuntu 22.04 then on Windows 10
I have purchased a lenovo legion pro with this specs:
Intel i7 12700,
nVidia 3070,
RAM 16gb
I have Ubuntu 22.04 and Windows 10 dual boot.
In Windows, Blender works great, BMW demo scene, on GPU ...
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Voronoi texture inconsistent over curve?
Basically what i have here are three curves with an object bevel that i wanted to have this embroidery—stitching look to them with the stitching going perpendicular to the curve. I found a yt tutorial ...
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Cycles: Emissive material translated into boolean modifier target causes changes in light paths in unrelated part of scene
I have a room made up of meshes. The meshes intersect, and have a transmission value of 0, so my assumption is that emissive materials outside the room would not materially affect the appearance of ...
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Imported OBJ asset has strange materials [duplicate]
I'm pretty new to Blender and I just bust some car assets for a project, but one OBJ in particular shows weird colors.
Any help would be appreciated.
Thanks in advance!
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How to make light propagate using materials on cycles
I'm making a, high fidelity replica of my razer Blackwidow elite keyboard.
IRL, The keycaps are made of two materials a black plastic and a transluscent material to make the letters glow with the LEDs ...
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How do I remove this sphere of shadow in this render?
ONLY when I use cycles renderer, this odd sphere appears around the origin. It seems to be tied to the parent collection as it dissapears when I hide it, but none of the objects that are inside the ...
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The alpha becomes black color when I see through more than 9 layers. How do I fix this? [duplicate]
I am trying to create hair using hair cards. The alpha becomes black color when I am seeing through more than 9 cards. I am pasting the screenshot for more clarity. This is happening only in cycles. ...
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do i need a skull for subsurface scattering
i am trying to make a photorealistic human head render and i was wondering... real human heads have a skull inside them, which probably shadows the sss, stops light from bouncing around inside in ...
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Cycles render is showing different transformations than Eevee or viewport
So for my animation I have a hand model with fingers being animated individually and it appears that only in cycles the final render has the transformation for parts of the fingers deformed.
The top ...
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Why would an environment render properly on one computer but render as grey on another?
I'm experiencing some strange behavior on my render machines currently, and I'm not sure why. Basically, the environment renders out as a flat grey instead of what it should.
The only difference ...
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Blender magnification calculation?
I have a very simple scene:
A 100 x 100 mm (h) rectangular plate at the origin
A spotlight on the target
A camera looking directly at the target. The camera is placed 1000 mm away from the target (d),...
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Some the objects turn black Problem with Render on Cycles after press F12 [duplicate]
When I press F12 all sushi model appears on black. Only when render on Cycles, but on EEVEE shows totally normal.
Blender file
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Why isn't my rendered preview fully colored?
My object is fully colored, but when I hit F12 to render a good portion of my object looks as if it's still in the viewport shading.
I'm not sure what I'm missing here, and I'm also having a hard time ...
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Volume godrays way too noisy
I've been trying to make godrays but they take a lot of samples in my scene. It's an interior and I wanted to have some god rays from the windows, I know volumetrics are expensive, but is there a way ...
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Cycles baking not working
I am learning how to bake textures in Blender snd I made a simple high poly mesh by subdividing a plane couple of times and poked the faces out.
I then added a plane, did no changes to it, and added ...
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Light not rendering at all
*Disclaimer: complete beginner to blender.
So i'm trying to render some text, but when I add a point light my render ignores it (on both cycles and eevee). I gave my text glossy material, and my point ...
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Problem with duplicate images as planes - Strange Black Boxes
I am trying to create a stadium scene and am trying to fill the audience with alpha 'animated crowd videos' added as 'image as plane'. I think it may be a problem with duplicating the video over and ...
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Why my render animation always shows some random object?
Just tried to render a scene, when suddenly the frame got some glitch and keep randomly showing random object that isn't showing in the viewport. The object will disappear after i re-render the frame.
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How can I render a CubeMap with EEVEE
I'm trying to render 6 images of my world in EEVEE to form a perfect cubemap, but when I render the images they don't fit together perfectly. I would like to know if there is any specific ...
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Wobbly Glass Artifact in Render
AMD 6700XT. I don't know what happened to my render, trying to figure out, I use standard BSDF Glass material. It is denoising problem or what?
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Glossy render works in 2.8, but not in 3.2.2
A year or two ago I made a setup where I can make whatever scene I want, which will be rendered like an environment map onto a texture, by rendering the gloss of a mesh.
The reason I did it this way ...
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I am trying to make godrays for specific Light rays in the render but it isnt working well
I have used the sunbeams node in the compositor but as you can see the emitters on the bed are also creating the ray effect, is there a way so that the Godrays are limited to the window rays only?
Any ...
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The texture appears fine when in the preview mode but some white parts appear when I render the Scene in blender
So I have this room scene in which I have used geo-scatter for the vegetation.
All the textures appear Fine and There is no White space and the mesh is joined without separation.
But during the ...
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Light rays visible to camera when motion blur is applied - cycles
I'm rendering a scene with motion blur and the backlights of a car are not supposed to be visible to the camera, the area lights are just used to light up the street as the emissive material is not as ...
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Problem getting semi transparency to work in cycles
I've made some images in Krita (drawing software) with both full and semi transparency involved. I can get the full transparency to work after importing the image to Blender, but not the ...
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How to make glass texture more accurate to what I'm trying to recreate
I'm very new to blender and I don't quite know what a lot of material properties or nodes actually do so I don't know what I'm supposed to change but basically, my problem with the glass box, is that ...
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How do I make a photorealistic Garnet shader?
I'm trying to make a Garnet as the main gemstone on a current project, but I'm struggling. I'm using Jocafe's glass shader currently, and it works really well for the smaller diamonds, but the ...
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Object disappears when switching to the Cycle render engine
I'm fairly new to Blender so please forgive me if the solution is painfully obvious but I've recently been working on a model and I noticed that whenever I try to switch to the cycles render engine, ...
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My renders in cycles are always black. Can anyone help? SOLVED
EDIT: I figured out the problem. I was going to view>viewport render image as I always did in eevee, and I was supposed to go to Render>Render Image. Problem solved.
I'm having trouble with my ...
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How to manage selfreflecting light in object
I get these weird miscoloured rings in my object from it reflecting on itself.
I tried using the "is reflection ray" but am not sure if there is a way to turn off only ray reflecting on the ...
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Normal Map inverting while rotating while scene stays the same
So I am trying to create a loop around a spiraling street.
For this I'm moving the camera for a while and recreating the beginning at the end exactly. Loop-wise it works.
Here you can see the camera ...
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Multi object SSS
So, it seems like multi object SSS in Blender Cycles is not possible, and therefore, when 2 or more meshes with a material that has SSS intersect, it will make an ugly dark line at the intersection.
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Small bits of flickering artifacts inside and behind VDB volumes in cycles
I have rendered this video using cycles in blender 3.3.1. The scene contains two VDB volumes (red boxes in the video) that are volume-shaded using a simple emission shader that shows the VDB data ...
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Transparent textures result in extremely noisy mist pass
When rendering a mist pass in cycles in a scene that contains textures with alpha, it becomes essentially unusable due to noise.
All posts and solutions I could find about this seem to be outdated and ...
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Making volume clouds sharper
I am creating a nebula-like environment. This is my workflow: I create a simple mesh with displace modifier applied to it. I then create a volume empty, apply mesh to volume modifier to it using the ...
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Height Map Visual Issue
I have a height map which was painted in Substance Painter, but when I use it in Blender I get some crazy visuals. This is in Cycles.
Here's what the Shader Nodes look like. Each image is labeled. ...
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