Questions tagged [shaders]

A shader is a computer program that is used to do shading, texturing, special effects or post-processing. Shader nodes specifically refer to the nodes used to create shaders for Cycles, but this tag can be used for other shaders as well.

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Incorrect displacement with Radeon Pro Renderer

I would like to use a displacement node with Radeon Pro Renderer. Following some tutorials, I thought that I should be able to use a color map to restrict the displacement to a certain range in the ...
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blender not openning up

So 3 weeks ago I tried to open my blender like I usually do. then it didnt open it up it just shows the cmds bar and never open up so today I download opengl32 and when I did my graphic card has 0% ...
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Recreating gloss from older version of Blender

I am using Blender 2.92.0 and learning from the Andrew Price earth tutorial in Blender 2.76. Using the same steps, my lighting and/or material looks significantly different: Notice that the ...
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Bevel Operation/Shading Problem

Im making a guitar slanted guitar cabinet. Im having some weird bevel issues shown below. The corners have a weird shading issue. This is whats happening at the corners: I can kind of fix it by ...
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How to compute the output value(s) of a node in the shader editor at a specified location on the surface of an object using C/C++?

I've been working on an addon that requires to calculate the output value(s) of a specified node in the shader editor at specified locations (generated using my own algorithm) on an object. How can I ...
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Do I need to add a MixRGB node for all of my decals in order for their colors to be changed in a 3D configurator?

I am preparing a blender model for a 3D configurator, which I have never done before, and I need the logos to be able to change color with certain color changes to the main surfaces of the model. Do I ...
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Why are shadows constant on my model?

I was following this tutorial - https://www.youtube.com/watch?v=TpWI2rU8iF0 and applied it to my model. However, despite being lit from above, the shadows seem to persist in certain angles with the ...
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How to make 3D model shader have a Digital 2D look?

So, iv been banging my head on this for awhile now, trying to figure out how I would go about making a shader (for my 3D character) look 2D. The intersections here are what I'm after, I have messed ...
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Background in shading mode is always black

In shading mode the background behind my object is always black. Why is this happening? is it because my pc spec is low or what? my pc spec is core-i5, 6 GB ram with built in graphics card intel hd ...
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copying/editing a material animation parameter

I would like to copy/paste or somehow apply the same animation parameter of one material to another. For example I have a mix shader in one material where I'd like to apply a similar Mix Factor to a ...
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Shader Editor: sticky header while moving nodes?

It seems that Blender UI designers decided that whenever the user moves anything, the UI needs to change to display some kind of information, even if it is completely useless. In the Shader Editor, if ...
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Toon shaded fur. Having fur use the normals from the mesh underneath

the look i'm trying to achieve is similar to this. Toon shaded similar to LOZ: Breath of the wild. I'm using the Lighting Boy Studio 2.0 shader library. But it's same principle as with a single simple ...
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Is it possible to reduce light emission to some directions?

Currently, I have a scene like this - But I'd like the lights to look brighter and see the actual rays, instead the space between green ones darker. It is possible to change the glow effect in the ...
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Question about shading color

The left is the color I paint in Texture paint. The right is the color shown on my model. It is so different. Please help why the two-color are different.
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procedural label texture

how is possible make a label design all with nodes with the shader editor in Blender (basic rectangles shapes and letter)? I add the final result done with Illustrator.
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Blender renders HDRI instead of Material

I have added an HDRI background to my world like in the screenshot and in the material preview it shows me the correct materials on the wall. Yet, when I hit render, the walls are replaced with the ...
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1answer
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Using quick smoke cannot change from smoke to fire

When I use quick effects -> quick smoke to create my domain and stuff for me, I have had trouble if I made a mistake as to wether I wanted smoke or fire, and then tried to change it later. Once it ...
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How to replace texture images for a lot of materials in one go using scripting?

So I have a scene with many materials which use a set of psd-files as source. Now I would like to replace those images with tif-files. Those tif-files have the same name as the psds and the same file-...
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How can I emulate projector image or film with realistic keystone correction?

I was searching how to emulate projection image or film in blender for rendering and I came across this thread: Correcting perspective distortion for an angled projector (Keystone effect) I have tried ...
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Artifacts using Zero Alpha Shader

I am trying to gradually make an object transparent. To this end I mixed in a Principled BSDF with an Alpha of zero. However, this results in the following black artifacts in the picture (shaded ...
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Emitting particles based on volume shader

Is there a way to get a particle system to emit particles only from where the emitting mesh's volume shader has a high density value? Or, failing that, where the alpha channel of the mesh's surface ...
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getting error : location: <unknown location>:-1 in “shading” when adding no matter what to the board

Thank you all! I was able to fix it with the installation of the version Blender 2.93.0 Alpha (experimental build) and it is working quite well The full error in 2.92.0 ... was: ...
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Coloring fluid simulation in Cycles according to speed and direction

I am trying to create a fluid simulation where the color of the fluid particles will change according to their direction AND their velocity. In the beginning, the fluid moves horizontally in the +X ...
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Seperate mesh component from model and colour it

I can't figure out how to separate the helmet mesh from the rest of the soldier model. I select all the faces of the helmet and then I think you need to choose one of the 'Separate' options (not sure ...
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Inexplicable darker reflecting face shaders after duplicating

I am currently getting the same issue several times. I think it usually happens when I duplicate some vertices/face/edges within an object. The resulting face shaders appear to be more darker and ...
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Singularity in Anisotrpic Rotation

I have an issue with the anisotropic (rotation) feature. I am modelling a carbon fiber texture, that should behave differently depending of incoming light and camera angle. I use a checkerboard ...
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Purple object, UV wrapping

I am creating a uv wrap around my doughnut, I go to the shading section to add nodes to create a texture to the doughnut. After I link the noise texture, image texture, texture coordinate and ...
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Problem with normal map ans smooth shading

When I use normal map shading on part of my handle doesn't have smooth shading.
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Imported images not reflecting onto glossy objects

I have imported an image as a plane into blender and added an object with a glossy shader. for some reason the object is only reflecting the world background (gray color) and not my image. what is ...
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Mesh from Blender to UE4 - Normal map showing shading on each poly

I've import a mesh created in Blender to UE4 and I'm trying to get Normals working. I baked the normals using xNormal and they look fine when applied within Blender, but in UE4 I can see each face. I'...
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29 views

This is a question about material replacement

If there is more than one material in object mode, is there any way to leave the material in the existing slot and change it to a material in another slot? I'm looking for something similar to the'...
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How to create random cracks and crystals on marshmallow

I've created two materials out from multiple tutorials, yet I'm not even close to this texture with random crystals(1) and creases(2): I have this so far: How can I create this kind of randomness in ...
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Why do I get this glass result?

Pretty strange that I get this glass result. I am making a a wine bottle so nothing too complicated. I think I will do my model again, but I would like to understand what makes the model being this ...
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My toon shader is glowing

I was making this character- please ignore the imperfections- and after I applied the Toon BSDF shader to the skin, at some of the parts of the body, the shader started glowing. I have no background, ...
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1answer
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How to create see-through-walls shader, similar to shaders in games when a character stands behind a wall

I'm trying to create a shader, that will dissolve a wall on a certain spot (or any object), when I need it to. Here is an example of what I'm trying to do. unity shader example Here is what I created. ...
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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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1answer
23 views

Smooth shade gives unusual shading

I know this may be a rookie issue, but I'm new to blender and haven't really got a clue what I'm doing. I've been working on a knight piece model and have encountered a issue when shading smooth. I've ...
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Material based on dynamic paint disappears when using ocean modifier

I've created a water material and used dynamic paint to detect when objects are intersecting with the plane, thus generating foam around them: However, when I add the ocean modifier to generate some ...
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Stencil Mask to render only part of a model

I have a stencil mask shader that I use in Unity3D that I would like to reproduce the effect of in Blender. Basically I have a smaller box in a larger room environment. The smaller box has a Mask ...
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How can I make an Eevee explosion volume emit light and not receive it?

See the image below of an explosion I rendered with Eevee. It looks washed out because volumetric lighting in enabled and the spotlights are hitting it. I could disable volumetric lighting but I ...
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Procedural Animated Winx Glitter (Confused With This Tutorial)

I am following this tutorial on how to apply this animated glitter effect on my models, but sadly I am having a hard time understanding what the speaker in the video is saying. So I have been able to ...
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How to export .gltf file with UDIM UV tiles?

The question is pretty clear here. I have a shirt model with UDIM UV tiles. I tried to export it to .gltf, but the .gltf only ...
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Export Textures made with shading node editor to uv map

I followed this tutorial to create a globe with an earth texture on top, mapped nicely so there is no random splicing or cutting issues. https://b3d.interplanety.org/en/mapping-texture-to-planet/. It ...
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Texture Bake Problem (Black Material)

ı tried to bake texture but all faces gonna be black. I tried to create a new UV map, flip the merge but not working anyone. How can ı fix this?
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27 views

Two different hex values for a solid colour

does anyone know the solution to this? I am trying to create a solid colour image for AI but blender seems to create two hex values for the same colour. I have used the lighter blue as an example ...
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1answer
53 views

Viewport shading option “shadow” not displaying shadow

I'm trying to get the viewport to render shadows to help visualize depth when working in an orthogrpahic view. I toggle the shadows option in the viewport shading menu, but it seems like the only ...
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27 views

How would I do this metaball feature in blender?

The unity asset store has a metaball tool called mudbun at this link This tool has the option to choose different rendering modes, best explained with this picture: Is there a way to achieve the same ...
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Blender crashes instantly using mix shader

I created a 3d model of a product in Blender and tried to shade like matte finish for some area and glossy for some area. I planned to use mix shader and created two image textures for matte as a base ...
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Problem to volume liquid export

I'm new to blender, but I'm watching a lot of tutorials. I was following this video (minute 25), but at the end, I had some problems. I was exporting my bottle of oil. If I export only the bottle this ...
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37 views

Realistic ocean / sea shader - material

I am trying to create a realistic ocean shader material in blender Cycles render. I searched a lot of tutorials and I have tried different kinds of nodes; (I am a beginner in blender cycles nodes)but ...

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