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Does a computer fatigue during a long render session? Is that expected behavior?

In general, the difference in rendering times between frames can vary based on the complexity of the scene being rendered and the hardware components used. For example, a scene with more complex ...
Gioxyer's user avatar
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5 votes
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Why is my render preview different from what the render result?

Look into the Outliner, you need to enable the visibility of the object called Lens for render: As for the render time you can put a Time Limit in the Render panel but there may be other ways...
moonboots's user avatar
  • 157k
0 votes

Edges of VFX are obviously stitched in

Sorry if I wasted anybody's time, but I figured it out. For some odd reason, the sample count was at 1. Crank it up higher, and the weird stitch lines disappear.
Kid with Glasses's user avatar
2 votes
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Does adding too much node make rendering slower?

Yes, the more complex the scene, the higher time require to render connected to the node, you probably need to optimize the scene. There are some techniques in shading nodes (reduce some parameters) ...
Gioxyer's user avatar
  • 36
0 votes

Render crashes even after changing many settings

A rather easy fix, just update blender to the newest version!
Peter's user avatar
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1 vote
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Bump doesn't look the same in viewport and render

Render settings Your settings between viewport and render don't match. You have 2 settings to change to get the same result in both view : Denoising : one is enabled, not the other one Max Samples : ...
Lutzi's user avatar
  • 1,203
0 votes

The render does not work if I turn on the visibility of fur

I had a similar issue back a few months ago, my problem was a way to high amount of B-Spline steps (Particle Properties>Render>Path). Make sure you didn't use a way too high number, mostly 5 is ...
Niklas Friedrichs's user avatar
0 votes

The render does not work if I turn on the visibility of fur

The hair rendering is heavy. Check if you don't have some ridiculous settings set for render. Particle Properties -> Children ...
unwave's user avatar
  • 2,473
2 votes

Black Hole Rendering And Keyframing Issue

I can't reproduce the rendering issue. If your Blender crashed during rendering, have you tried following the crash troubleshooting guide in order to get any crash log or error message that could ...
L0Lock's user avatar
  • 16k
1 vote

Blender 4.1 on CPU render farm

You don't have to install addons via the UI. You can put the addon's folder or .py file in one of the locations Blender is looking for addons in, such as in the ...
unwave's user avatar
  • 2,473
1 vote

Why my render image stretched

Press N to bring up the sidebar and make sure that in the View tab the aspect ratios for X and Y are both set to 1.
Tobias Einarsson's user avatar
0 votes
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When rendering an animation one light doesn't render, it does whoever show in the viewport render

Your file makes my Blender crash but maybe disable Cube.011 for render:
moonboots's user avatar
  • 157k
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How to indivdually animate each ik target

You've duplicated the object, by default the action attached to the new object is the same as the original one, the actions are linked, if you modify it, it will also modify the action of the original ...
moonboots's user avatar
  • 157k
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Why is the UV mapping different in the render?

I believe that would be due to non-static UV coordinate mapping, when using mapping along the types of generated/camera/window/reflection the evaluated mapping could change due to it's on the fly ...
ValyArhal's user avatar
1 vote

Shrinkwrap Object render Black in Cycles

Your sphere is smashed on itself because of the Shrinkwrap modifier, it makes the faces overlap which creates this black artefact called Z-Fighting. You need to use a circle for example, instead of a ...
moonboots's user avatar
  • 157k
3 votes

How to make a realistic boucle material?

One unusual way, I have used a few times to make this material is to offset a few layers of geometry(4-5) to form a few millimeter layer of sort of a volume approximation and then use noise texture(...
Martynas Žiemys's user avatar
0 votes

spline alembic animation not working in cycles render

In the Properties Editor > Render tab, > Performance panel, disable Persistent Data.
L0Lock's user avatar
  • 16k
1 vote
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Render part of a file in eevee part in cycles

You can try it with the Compositor: First render your scene with Eevee, and a second time with Cycles, save the image sequences in 2 separate folders. Then in the View Layer panel enable Cryptomatte &...
moonboots's user avatar
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0 votes

How to fix this error: illegal address in cuda queue copy_from_device (integrator_intersect_closest integrator_queued_paths_array)

I solved this by not having both CUDA and OptiX enabled for my graphics card under Cycles Render Devices in the system preferences. Turn off CUDA if you can, as I think OptiX enables hardware ...
Joel Howe's user avatar
1 vote
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why is my render result so dark?

Note: My system is running out of memory, please optimise your files. it is 500 mb, you can use instancing on chairs and tables. The problem is Box018, it's hidden in the viewport but visible in the ...
KISKAart's user avatar
  • 183
0 votes

How do I save my rendered animation as a video/gif?

As an extra info on this question, saving your render as independent images is a must (as previously stated), but afterwards you can download Screen to Gif an this software can convert images to gifs. ...
Nova-Odos's user avatar
2 votes
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How to fix seams in cubemap faces to equirectangular?

Your textures are too small and the filtering in the Image Texture node makes the colors of the top (white ceiling) bleed in the bottom when the tiling is set to Repeat. The best you can do is ...
Luis Quintana's user avatar
0 votes

render a 360 animation with gpu on Mac Studio

Perhaps you didn't notice, but while you set a resolution of 8192x4096, you also set a factor of 400%, which means your actual rendered resolution is 32768x16384. It is more than 16 times bigger than ...
L0Lock's user avatar
  • 16k
0 votes
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hello i want to port 3D render to Blender

I would try examining the internals of existing render engine add-ons, such as POV-Ray. Also, I found this page in the Blender Python API docs which could be helpful.
TheLabCat's user avatar
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0 votes
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Weird lines on materials

It comes from these vertical lines that you can see if you push the contrast of your image, repaint these parts and these artefacts will disappear:
moonboots's user avatar
  • 157k
0 votes

Camera pose not updated for render

you should use handlers for this task. example: ...
Chris's user avatar
  • 60k
0 votes

Can't render with grease pencil objects, and cannot find them neither

If you have made some strokes with the Annotate tool, go to Toolbar > View > Annotations, click -. Then go to File > Clean Up > Unused Data-Blocks.
KISKAart's user avatar
  • 183
0 votes

When rendering my model, it gets scattered

Check your modifiers. Maybe you see a different version in the vieport. The subdivision surface modifier for example is set to level 1 in the viewport by default and 2 when rendered. Set it to the ...
Christoph Werner's user avatar
0 votes

Setting up denoise light group help

Found solution by downloading addon Blender_Exr_auto-pass_saver (https://github.com/3d-io/Blender_Exr_auto-pass_saver) It's automaticaly creates EXR Multilayer node with all enabled passes even light ...
Denis Zaitsev's user avatar
0 votes

Render face of a mesh using bpy?

With Cycles you can use baking but EEVEE and the viewport renderer does not support baking. You can't render without a camera. The viewport is also a camera you have to position. To avoid other faces ...
unwave's user avatar
  • 2,473
1 vote

trying to get rid of strange reflections

Looking at your video it really just looks like your material having some specular and bumps from textures, it's nothing weird or unexpected if you set it up this way. And then looking at your ...
L0Lock's user avatar
  • 16k
0 votes

color issue when save my render

Maybe it's a bit late but I found a solution working for me !
Mo3D's user avatar
  • 1
0 votes

Glitch when rendering in Cycles

I can't say for sure, but it's most likely the result of two overlapping meshes. You can join them together with the boolean modifier to fix this. If that doesn't work, recalculate the normals of your ...
NoStepOnSnek's user avatar
0 votes

Issue with Smooth Shading with Array?

Like @robin-betts mentioned, there are internal faces inside the "Bread-Wall" which mess up the shading. Deleting the front and rear face of the original mesh fixes that issue. A better way ...
Ismir Egal's user avatar
0 votes

Render AO pass issue (unwanted shadows)

OK I found the solution : https://blenderartists.org/t/how-do-you-get-a-regular-ambient-occlussion-pass/1483304/4 I can't believe that Blender is not able to deliver proper AO pass in interior spaces ...
norab's user avatar
  • 81
1 vote

Shadow of Holdout object visible in render

The plants use transparent textures, and at some point the rays reach their limit of transparent bounces. At this point transparent surfaces are being treated as opaque, leaving solid back in the ...
Ismir Egal's user avatar
0 votes

bpy.ops.render.render() freezes Blender when used in an addon

I'm running into this same issue many years later, and have been unable to find a simple solution. After much toying around with the following approaches, I agree that 2xB's answer is correct. Modal ...
DumDum's user avatar
  • 1
0 votes

How do you add a thin outline?

On newer versions of Blender than is mentioned here, it is not necessary to do anything special with the wireframe method. Just copy/paste what you wat to have the wireframe layered over (but make ...
Jeffrey Davis's user avatar
0 votes

Sky texture not visible in scene but the render comes out fine

First of all, it does not render out properly. If you really render it by hitting F12, everything is completely black. What seems to work properly for you is the render preview in the viewport. ...
Gordon Brinkmann's user avatar
1 vote

How to add light without losing model color?

You somehow reduced exposure by a lot and changed your color space. Go to Render tab > Color Managment > Exposure and set it to 0 (default value). You probably don't want to change that setting ...
Lutzi's user avatar
  • 1,203
1 vote
Accepted

Render becomes shiny while viewport shading looks matte

The object "Body_BodyTexture_0" has a Solidify modifier which is disabled in the viewport, but enabled for rendering. When you enable it in the viewport, the shiny part becomes visible in ...
Gordon Brinkmann's user avatar
0 votes
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Objects in holdout collection showing in render when their alpha value in Principled BSDF is not 1 or 0

If you look at it closely, there is a clear correlation between the Alpha value and the appearance of the objects. It is not that they only show up semi-transparent when they are not 0 or 1, but there ...
Gordon Brinkmann's user avatar

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