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1 vote

How to make lamp visible to camera in cycles?

With the light selected, enable 'camera' under the ray visibility option :)
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0 votes

refraction and caustics in cycles

Remove your Solidify modifier. Or just click that little camera icon to hide it in the render. It's disabled in the viewport, so you don't see it, but when you render, it's still activated.
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3 votes

Simple Python script to be able to change the number of samples in a Blender startup script

.\blender -P 100_samples.py cube_animation.blend first runs the script, then opens the .blend file. ...
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1 vote

Using the cycles experimental render engine, how do I use textures in nodes to create actual mesh geometry and not just bump?

Give your object a Subdivision Surface modifier. Then turn on Adaptive Subdivision. (Make sure you're using the Experimental feature set in Cycles.) Don't forget to have a Displacement node connected ...
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2 votes

Is it possible to recreate iPhone pro frosted glass material using Blender's standard shader nodes?

In short, almost anything you can think of is possible with blender these days. For something like this, the easiest way to achieve this kind of look is to use a Principled BSDF Shader with specific ...
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0 votes
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Trouble using the new shadow caustics in Blender 3.2

I figured out that using a sun lamp instead of plain or spot light gives more sharper shadows. Changing the degree of the sun can increase the hardness of shadows making them be more clear and darker ....
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4 votes

Ugly shadow glitch

It looks like you have some double faces. This glitch is called "Z Fighting." It occurs when there are multiple faces in the exact same position. In your case, it looks like the Mirror ...
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5 votes
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Ugly shadow glitch

Your mirror modifier on the bed frame has the Y-Axis Mirror enabled, which causes overlapping geometry since the object is whole and on its origin point on the Y-Axis, disable the Y-Axis Mirror by ...
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2 votes
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How to use textures to influence point density node?

You're right, you do need to displace the vector coordinates. Just make sure you start with some actual coordinates to displace. Use a Texture Coordinate node (Object output) and then mix your noise ...
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1 vote
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Make my smoke less fake

Try turning on Noise in your domain settings. Change the Upres Fac to adjust the amount of noise. There's also a Strength and Scale you can adjust. You could try increasing the Vorticity as well, but ...
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1 vote
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Some parts of material appear darker than it should be

The problem is that you have faces that's located at the same position. Take a look at example. Here is the default cube in cycles: Nothing special. Now I duplicate the cube and move it in x ...
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0 votes
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Compositing effects does not show in render

You need to plug the Glare node into the Composite node, otherwise the effect won't be seen in final render:
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  • 106k
0 votes
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Material in rendered view differs between 3.1 and 3.0 when using mirror modifier

I don't know why I didn't see this earlier, but when using the bisect (and in my case flip) option in the ...
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  • 179
0 votes

Change surface's apparent color based on light depth from source

I'm not 100% sure what you mean, but try something like this - the light is white, it makes the object with the material (the cube) appear red, but reflect white ("mirror" plane below) and ...
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1 vote

EEVEE or CYCLES - Render Lawn Grass?

I personally would recommend using Cycles and being heavy on your materials. Materials will really sell what your looking for. I recommend using this PBR node setup to help your grass look real For ...
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2 votes
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Procedural Border Detection on a Flat Object

Here's an in-shader technique that will work only for Cycles: Shown with multiple topologies to demonstrate generalizability. We have (flat-shaded), planar meshes. We use a solidify modifier to ...
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  • 16k
1 vote

Procedural Border Detection on a Flat Object

This is just a tweak of @Chris ' answer, really.. A limitation of these GN approaches is that information is stored on the geometry. In the spaces between the stored values on points or face-corners, ...
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2 votes

Procedural Border Detection on a Flat Object

well...there is a "kind of" workaround, if you are willing to use some more modifiers ;) so first modifier, Remesh, so we will have Quads as faces. second modifier: GN with this node setup: ...
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0 votes

Textures not showing during render

The material is showing but it's white, so you can't see all the details you see in Solid mode. What you can do is open the Shader Editor window, enable Use Nodes, select an object, give it a grey ...
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  • 106k
2 votes
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How to properly use Cycles Light Groups?

Note that Light Groups are only available for Cycles at the moment. The 3.2 Cycles Release notes describe Light Groups thusly: a type of pass that only contains lighting from a subset of light ...
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0 votes

Emission gloom with transparent background

If you have added your effect in compositing, your problem probably is that you have checked off compositing here:
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0 votes

Emission gloom with transparent background

In eevee, there is a feature called bloom you are using. But unfortunatley cycles doesn't have such an option , unless you use compositing. I recommend you watch some compositing tutorials on making ...
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1 vote
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cycles emissive material not baking

Baked Blacks By opening your "project" file (you share with us), you use Color Ramp node set Pink(left side) > Black(right side) that works just fine for me. On other hand in your screen ...
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1 vote

Volumetrics behind glass arent working in Cycles

i assume: your car windows dont have a solid thickness. this leads to the render engine assuming the volumetric is inside the volume of glass (a refractive material) which at the moment is not ...
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  • 89
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volume shader inside of a glass material

Yes you are right, and its very frustrating. Volumes inside a refractive shader dont work in cycles. i mix a transparent shader with the glass shader (factor 0.5) to get the volumetric shader half ...
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  • 89
0 votes
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Material that "recognises" open edges of mesh?

I figured it is best to use curves for the road: create curve of the road in top view 2D, use another curve to define the cross section of the road, use a shrink wrap modifier to project the road ...
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  • 505
2 votes
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Object invisible in material/solid preview modes

Change Blend Mode to Opaque under materials properties. you might have accidentally changed it.
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0 votes

I have an i3 5005u cpu, and an intel Hd graphics 5500 gpu, so which one should i use to render a 3d animation in cycles?

The GPU, of course. But the Intel HD graphics 5500 would be an integrated graphics card, so you won't have an option to render on your GPU, so you will have to render on your CPU since you don't have ...
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0 votes
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animation not being applied in render

In your file, there are no animated keyframes appearing. You probably posed it and forgot to keyframe, try posing and keyframing it again and give it a render.
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0 votes

I can't render any frames beyond frame 2029

Like @MoonBoots mentioned, you have 2 camera markers on frame 2029. The result of this will make Blender crash when you go to render. Deleting one camera marker on frame 2029 will allow Blender to ...
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0 votes

Why will hair not render in cycles?

I figured it out. The collection of instanced objects were not enabled for rendering. Makes no sense to me why these objects would need to be enabled for rendering when I want to render only the ...
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0 votes

cube appears bright white when trying to do volumetrics

As @AllenSimpson said, your emission is turned on, or rather too high. If you want it to be completely dark, set it to 0, but if you still want some glow, use some small value.
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0 votes

When I switch to Cycles from Eevee, the details in my texture are lost

Update your blender. I remembered I had the same problem 6 months ago when using 2.91. I dont know problem with blender version or not, but you can try sometimes there may be glitch
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1 vote

When I switch to Cycles from Eevee, the details in my texture are lost

In cycles, you have probably set the settings of the material to Displacement Only. Change it to Bump Only or Displacement and Bump to view it properly in cycles. EDIT: @BCussi the bump appears at my ...
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0 votes

How do you make a lamp light up glossy surfaces?

I recommend that you do a real-world physical setup and make sure that what you're imagining should happen is what would actually happen. You may be trying to get an "accurate" outcome that ...
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2 votes
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my model (sink) is rendering deformed, its fine in other views

Your displacement values on this material are extreme, decrease them to something low like 0.01.
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0 votes

When I change renderers from eevee to cycles, the render view looks grey

Since you've phrased your question in a very confusing way, making it difficult for us to figure out what you may want, here's an addition to @kemplerart's answer: Cycles is a ray-traced render engine....
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1 vote
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When I change renderers from eevee to cycles, the render view looks grey

It would be great to see the screenshots separated - to see better. From what I've found, looks like you had pause the render, resume it:
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2 votes
Accepted

Object renders only in viewport

Show Emitter is ticked on the left canister but not on the right canister. Tick it and it will show up.
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3 votes

How to create simple Fade In effect with transparent material, but without rendering X-ray backfaces in Cycles

You have multiple shapes, which are concave, and what you write about compositing suggests that this is a problem for a much more complex scene that what you're showing us. Backface culling, or ...
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  • 16k
0 votes
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Some overlays are black

Material preview mode has an HDRI by default. If you want a brighter scene in your render, then you have to add some lights and also add an HDRI if you want. You haven't provided your .blend file, but ...
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4 votes

How to create simple Fade In effect with transparent material, but without rendering X-ray backfaces in Cycles

With Geometry -> Backfacing we can tell the shader to use a Transparent BSDF if the ray strikes the inside of the mesh. This causes some noise that has to run a few samples to resolve (64 - 128 ...
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3 votes

How to create simple Fade In effect with transparent material, but without rendering X-ray backfaces in Cycles

Instead of changing the alpha value, you could use a mix shader with a transparent BSDF and set a fresnel node to the factor: You can tweak the IOR to differentiate between a solid and transparent ...
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2 votes

Why is there some kind of warped paper in my Blender rendering?

It's not any kind of warped paper. Looks like you have some real displacement going on on your materials, decrease the scale value on the displacement node in your material and this over displacement ...
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0 votes
Accepted

Texture glitch in Cycles in Render Preview and Render

It looks like you have some overlapping meshes. Delete one of them and the problem will be fixed:
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0 votes

how ambient occlusion works in world tab?

In modern versions of Blender (we're at 3.1.2 right now), there is no AO in the world tab of properties. So presumably, you mean using AO in the world shader, something like this: In which case, ...
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  • 16k
0 votes

Blender Lighting / Light HDR - symmetrize / symmetry

Use this node set-up, Basically the gradient node is used to create the half of a sphere, we will use it to hide the "left side" of the HDRI and replace it by the same picture mirrored ...
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0 votes

Blender Lighting / Light HDR - symmetrize / symmetry

You can turn these off, so your textures won't be affected at all from your lighting/surrounding objects/reflections etc and will be affected by the lighting of the game engine instead when you use ...
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1 vote

How can I get the lightning in my scene closer to that in my reference?

I recommend the "Dynamic Sky" add-on in the Lighting section: that allows you to create and adjust a World-space background rendering material: that is a fairly complex Shader Material ...
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2 votes

Using two different GPUs for display and rendering

In that case, You'd have your monitor plugged into the 3060 and the Optix render device set to the 3090. (No CPU or other GPU. 90% of the time, adding the CPU will slow down your render.) I assume you'...
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