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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doom style directional sprite material

I am attempting to create a Doom style 8-directional sprite material for a plane that changes based on viewing angle. I was following a 6 years old question from here: How do I change between ...
Prokop Sodomka's user avatar
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Flower Flickering Animation [closed]

What is going on below this link: https://drive.google.com/file/d/1Grj78F2--PoNdNQ5W10NzbyjzFFdqUj8/view?usp=sharing on PREVIEW Animation, this is clear as sky, everything is fine, but when I render ...
ahkai's user avatar
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How to make glass dispersion behind a no dispersion glass? (cycles) and why light reflections is triangle in a round surface?

I created a camera lens in cycles, and I want it's core lens to display color dispersions: However, there are a glass panel that covering the core lens which prevent color dispersions to show up. ...
JiuyeAyan's user avatar
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Object is not visible in the rendering tab and within the rendered scene but visible in the animation tab [closed]

I've just started to use Blender and I am trying to add a 3D object to the video scene with Blender. The default tutorial was ok and everything worked out with the default 3d monkey mesh. Then I ...
Artur Korobeynyk's user avatar
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Modifier issue in Cycles - Black Ghosting

I'm fairly new to Blender and was hoping you could help. I'm creating a short animation for a University project and have come up against an issue. I'm creating an animation where a sphere splits in ...
ddml's user avatar
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Cannot increase the final render samples past 50 [closed]

I am not able to increase the samples to more than 50. I have not set any key frames. The sample settings to material override is set to 0 too. Please help me out. Blender version is 3.6.5 Thanks.
Makwana Smit's user avatar
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"Exception Access Violation" error keeps occurring when rendering a final blender project [closed]

So we have been working on this animation project for a while now. After everything was said and done, we moved to the rendering process. We left a render overnight but when we arrived the next ...
DFault's user avatar
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Point light V3.6 vs V4.0 not same Radius effect [duplicate]

I'm testing the unexpected V4 of Blender. I'm looking a strange diférences: For the Point light / Radius value = 0.25M it look diférent in Blender V4.0.1 The workaround shared in this post New Spot ...
Jean-Baptiste BARON's user avatar
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How to instance objects including particle system?

I've searched high and low and couldn't find any answer to a seemingly simple problem. I have a sphere with a particle hair modifier applied and I'd like to instance this multiple times using geometry ...
ALx's user avatar
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Why is the render view and the render output so different

What would cause the viewport render(left) and the output render(middle) - no compositing involved. The voronoi lines are sharper in the rendered output and the colors are different.
Jon's user avatar
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How to create a moving texture effect?

I would like to create something like the red electric board in the video using blender, but I don't know how to do it. I would like to know if there are any experts who can help me. Thank you in ...
SWORD JAPANESE's user avatar
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why is the rendered view in cycles blurry but not in eevee

I've tried messing with a number of setting to get the rendered view to look decent using cycles but I gave up a while ago when I noticed switching to eevee was meeting my needs at the time. I am now ...
Jordan Klaers's user avatar
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Cycles - Object instancing

I am trying to create a scene with instanced object. So far I found a way to do it like this: ...
OscarDev's user avatar
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1 answer
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Cycles doesn't Render Particle Scale Changes... Is this a Bug?

When I create a particle system in Cycles, It looks fine in the viewport and in Eevee, but the second I render it in Cycles, it's like it forgets its scaling Texture ramp. Below is the texure Ramp Im ...
NotUnintelligent's user avatar
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Is there any way to get rid of pixel bleed happening in UV Bakes that occur along the seams of an object?

I'm trying to bake a 4096x4096 image of my object (diffuse, normal, rough, ambient occlusion) and I'm using a UV that can't be changed (meant to be uploaded to a game tool) and whenever I'm baking, I ...
Troy's user avatar
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Glossy Direct Pass on Donut Too Sharp and Bright

I followed Blender Guru's donut tutorial Part 14 for compositing. But for the step adding Glossy Direct Pass, my black and white Donut is way too sharp and bright when compared to the tutorial one. I ...
moonss's user avatar
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Cycles cant render because of openimage denois

I am using blender 3.4 version and I couldn't render my image in cycles . I enable the denoise button in render tab and when i finally render in cycles its showing as error "built without ...
Yukthy Parthy's user avatar
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How can this object change its volume based on the view mode I'm in?

I'm currently making a image based on a photo with CGI elements added to it. Therefore, I'm playing with holdouts and shadow catchers. But I'm having this really weird issue where the ground (that's ...
Doctor Famine's user avatar
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black regions in cycle rendering [duplicate]

While rendering in cycles the supposed rooftops render all black so do the roads, the file is a collada imported from sketchup, I've trided - To solve this just select the object and press tab to go ...
brain's user avatar
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Does Blender 4 Cycles handle light differently?

I have a large file with lots of lights, that I created and have been working with Blender 3.6. When I opened it with Blender 4 I realized that renders are much different (Cycles); mainly brighter. I ...
joethelion's user avatar
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Render not work like in the 3d viewport

So everything is working fine in viewport, the wheel attach with the car rigging in the viewport. But when i render animation by png single frame. The wheel come off the car start moving on it own but ...
Huy Tom's user avatar
1 vote
1 answer
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Why doesn't my object material show in Viewport shader?

I am having trouble seeing my Boat Materials in Rendered Viewport Shader Mode. It is only showing in materials. Original project Pack.Blend Beige Wallpaper Jpg Wood Wallpaper Jpg
sunny visuals's user avatar
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Compositing effects not applying in final render 3.6

Hello, I changed the color slightly when compositing, but when it renders it still shows the original image. Im not sure what im doing wrong, this is from an image sequence I rendered.
asunney's user avatar
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Render in 4.0 very long

I have been working on a scene in Blender 3.6 and it takes 1 min to render. When I open the same scene in Blender 4.0, it is long and estimate the render of the frame to 44 hours. I use Cycle. And I ...
LucasHug's user avatar
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1 answer
120 views

Some materials rendering dramatically different under Blender 4.0; is there a quick fix?

I recently upgraded from Blender 3.6.5 to Blender 4.0 and I've noticed that some of my existing materials are rendering differently, some subtle, some dramatically different. Is there something ...
WilburPost's user avatar
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Flat colours instead of textures

I'm experiencing a persistent issue with Blender on my MacBook Pro. No matter what material settings I use or whether I apply materials from Blenderkit, the final renders (in cycles) always appear as ...
CamiCamilla's user avatar
1 vote
1 answer
38 views

How to create moss or grass in the cracks of bricks

I want to solve this problem, I don't know how to create this landscape. I hope there is a nice person who can answer my doubts
nuo xu's user avatar
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2 votes
0 answers
25 views

Smoke Domain duplication over plane

I am new to Blender but I've learned a lot since I started. I am used to CAD design so I understand how a blender works as long as it's explained to me. I am having a problem where I want to make a ...
AnonymousAnti's user avatar
1 vote
1 answer
106 views

New Spot Light behavior in 4.0 no longer renders in a volume

I have a model of the Abyss Cab 3 Mini sub. The model has a number of spotlights that cast a beams in a volume. It all works in 3.6 but in 4.0 all my spotlights are broken and don't work like the old ...
NC Graphics's user avatar
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In Shading how do I make lighting physics from Cycles work in Eevee?

I was following this YouTube video that teaches you how to make stylized trees using a simple shading build that can react to lighting efficiently. Unfortunately, this trick only works in Cycles, I ...
Stephen's user avatar
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Blender is not detecting Amd gpu compute on windows [duplicate]

I use windows I have ryzen 5 3400g with radeon vega but now i added rx 580 2048sp recentky but it shows in belnder that gpu compute is invisible.....no amd gpu waas detected..though my blender and amd ...
Adb Craft's user avatar
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Help! Is this object rotation on a displaced surface a bug? I can't figure it out

I'm not sure if this is a bug or if I'm doing something unknowingly to cause the issue, and at this point I'm feeling pretty stumped: My render is not matching my viewport. I've checked all modifiers ...
Smashed_Pumpkin's user avatar
1 vote
1 answer
26 views

Cannot make lights visible in Render mode

I have set up area lights in Blender, with Ray Visibility set to check the Camera option. However, when I go to Viewport Render, the lights are not visible. I also have set the Scene Lights options ...
chiyopet's user avatar
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Why is my render image appearing with the image and a white background ? Should be transparent PNG

I am looking to render a transparent png logo in Cycles. The logo I have is made with a low poly glass material and I have transparent and transparent glass selected in Film. I have attached pictures ...
cityofinfinity's user avatar
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75 views

Blend file takes a long time to load and has long pre-render time (Synchronizing object) [duplicate]

I've set GPU render devices setting in both places: I've set tiles from 256 to 2048 and to 8192. I have RTX 3060TI and it takes 6 minutes to render 1 frame, which means 20 hours to finish my 200 ...
JiuyeAyan's user avatar
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1 answer
45 views

Why I can't output anything with cycles?

I can't out put anything with cycles? this is my main layout ↑ and when I press the Render Animation button, I can see nothing, and no files were output: I have even tried to output in two different ...
JiuyeAyan's user avatar
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0 answers
17 views

About principled bsdf parameter "Subsurface" in node_principled_bsdf.osl

According to Blender manual, Subsurface Mix between diffuse and subsurface scattering it acts as a multiplier for the Subsurface Radius. After checking the source code, I found: ...
Edward lee's user avatar
2 votes
1 answer
85 views

Grazing angle translucency bug artifacts?

Hwelp wtf is this guys? It appears only at low angle and with rough translucent material
s0up's user avatar
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0 answers
41 views

How to write a python code for changing color space of image texture attached to normal map as well as strength of normal map?

I want to write a code for changing color space of all image textures attached to normal maps as well as strength of all normal maps to 1.
Manwire06's user avatar
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2 answers
37 views

Out of memory sometimes but not always for the same frame

I have this big scene that has a lot of elements, and when I try to render the animation or even a single frame, sometimes it renders normally all the way through the end of the animation, and ...
Peter Ragheb's user avatar
3 votes
1 answer
56 views

Stained glass window reflection not working

I'm trying to have my stained glass window cast a colorful reflection onto the ground of my scene. I want a distinct reflection, and the only lights in my scenes are an HDRI image for the World, and a ...
Ryan Nyberg's user avatar
2 votes
1 answer
15 views

Shadow casting to specific objects only

Im using blender 3.6. In blender I want object A to only cast a shadow on object B and not cast a Shadow on object C, while object B still casts a shadow on object C using cycles render engine. Is it ...
Luis Santos's user avatar
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20 views

HDR sky makes light stains on background photo in Cycles

I have a panoramatic PNG photo making a background of the scene (warps around the scene). I have recently added a HDR sky from Blenderkit; it looks nice, but I think it's a culprit for the stains on ...
Oak_3260548's user avatar
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26 views

Unable to render using amd gpu, it is only using cpu [duplicate]

I am new to blender, I have a AMD Radeon 6650XT graphics card, But when I am rendering it is only using CPU, I have changed the GPU to HIP in preferences, but it I still using CPU. Any solutions?
Rishav 's user avatar
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The lighting of one of the pillars in my compositing render has a black box and a dark line, but the viewport render doesn’t (cyclesrender)

so for some reason in my animation the top of the pillar is black, but the top isn’t the only part. The bottom has messed up lighting and doesn’t match the environment. Also at the top again with the ...
Yellow Guy 's user avatar
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0 answers
21 views

How to make the boolean effect and animation when I render it out, but keep the boolean hidden

I try many things but somehow it still doesn't work, everything is okay in the camera view, but when I try to render it out the effect of the boolean dissaper When I try to render it out the boolean ...
Le0's user avatar
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1 answer
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Light not affecting volumetric cube, but only in specific project file?

I have a project where I am trying to shine a light through a volumetric cube. Everything was working as expected until I unknowingly changed some setting which made it start behaving differently. ...
zsergeant's user avatar
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1 answer
46 views

I can't match the colour in Blender with real pictures

I am making product renders in blender. This means I need to accurately make a colour in blender cycles. But if I make an iPhone for example, I can't get the Colour in blender to match the colour of ...
Jelmer van Velden's user avatar
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0 answers
34 views

Render settings for high resolution images for printing scenes with many small geometries

I can't get a good output material for further processing in Photoshop when rendering images for printing in large format from A2 with 300 dpi. Since I set a high resolution, the files are huge, but ...
Tony Pilz's user avatar
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29 views

Bulk Texture Baking of multiple models in Blender

Is there any way to bake the textures of the 1000s of buildings using any plugins or python scripts in Blender? Each building has two models: High poly model and Low poly Model I want the textures ...
Saif Burki's user avatar

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