Questions tagged [shaders]

A shader is a computer program that usually runs on a GPU and 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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Why selecting nodes in shading mode is not working?

I clicked on B then with the mouse left button hold down dragging it top cover the nodes. I want to select the 4 nodes but when I'm leaving the mouse left button the selection is gone. I want to ...
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How do I change material render preview?

I want to change the render material preview by removing the floor in the preview and replacing all the lighting and environment in it with an hdri image, and setting an image as a background, so that ...
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How would you select an absolute screen color?

Before moving to 2.8, if I needed to fetch a vertex color used on a face I could easily enter wireframe mode and get the absolute vertex color. Since the wireframe in pre 2.8 versions would ...
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34 views

How do I clear sharp edges on my models / apply one smoothing group to the whole piece?

I am following a tutorial on how to make collision models for my meshes and have come across this step: I am very new to blender, therefore I don't understand what this means, do I have to add a ...
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Model is invisible and with a smeared texture in the shading tab

I'm trying to texture my model. I go to shading tab where a background is displayed. At first my model looks fine and grey but when I move my camera or pan and rotate, it disappears into smear . I ...
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How to transfer multiple textures/UV maps between two rigged meshes

I'm trying to texture my character in Blender. The original mesh came from DAZ, and was sculpted a bit in C4D before being brought into Blender for Rigify rigging and animation. Now I've made the ...
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imac problem with shading node

My friend and I are both learning to use blender. He is on a PC and I am on an IMac. When we first open blender and click on the shading node, his sees the cube fine but on mine the window is black ...
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1answer
27 views

Increase the contrast of shadows like you would using a color ramp

Is it possible to increase the contrast of shadows the way you would with a color ramp, but without effecting the colors themselves? I don't want hard edges, and color ramps allow you to have a middle ...
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1answer
27 views

Change whole blender scene into a cartoon look

So, I have a scene full of meshes (around 70 or so) each with own textures (no normal maps etc tho). I am wondering if there is a way how to change the whole global scene into something more cartoony. ...
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14 views

How wave texture color output is different from fac output?

Where do i need to use color output. I see black and white value for both output. or can i pass the color somehow
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Weird tearing on model

When modelling I will apply a turn the sub surf modifier back on and smooth shade my model and this tearing happens. Pressing Crtl+N doesn't fix this issue.
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How would you approach an alternative overall shading in the viewport (for scene check purpose)?

I would like to create some check scene tools based on shading. This would consist in having a shading mode, in a 3D View, where for example all the objects that have an animation (or more than a ...
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39 views

Small lights as decals

I purchased decal machine recently and I've been playing around with this awesome tool. I'm a newbie and want to create small lights (for an instrument panel, like here: https://www.deviantart.com/...
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Fix wierd lighting/shaders with color ramp material

I'm having trouble figuring out why there are those weird triangle glitchy imperfections in the shaders of this low poly car. It's a fairly flat object but there are those outline triangle things near ...
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Point Density texture do not work

I want to get shine spray, but Point Density do not work and all object is shine. Same thing in other projects, when I use Point Density. First image that I have and second that about I want
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2answers
37 views

How do I make part of a texture transparent?

How to make some part of the texture transparent? I'm using the image below: Is it possible to just use 1 image, by making that the texture won't render ONLY the black color? Is it possible to use 2 ...
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1answer
21 views

Shading fixing mesh

please tell me how can I get rid of shading problems? In the first screenshot, I set the hard edges and used auto smooth, and in the second screenshot I used the Weighted Normal modifier. But in both ...
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46 views

How to create realistic shampoo/gel shader with cycles

Hi! I'm trying to achieve pretty much exactly the attached result but I can't seem to get my material right. Any recommendations is highly appreciated!! @luciano - thanks! Well - I know I'm ...
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29 views

Glossy metal material

I am making an aeroplane. How do I recreate the material that you see below. It is not too glossy, not to diffused, but at the same time it has that metallic look.
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22 views

How do I diffuse light that responds to the thickness of an object?

I have an image of a lampshade that I am trying to make a material shader for. I have a bulb inside that is a point light or I have also used a light bulb model with emission for cycles. I am trying ...
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18 views

Principled volume looks completely different between Eevee and Cycles

I am having an issue getting a volume shader to render properly in cycles. It looks essentially how I expect it to in eevee, but for some reason the black part of the render becomes a little distorted ...
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40 views

Fire+Smoke Simulation is not Rendering Properly all of the Sudden

I have this little test explosion that I've rendered out in 2 different perspectives in 2.82a. All was fine until I updated the shader and re-rendered it with 2.83 and towards the end of the first run ...
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15 views

Error in smooth shading

I have a problem with a mesh that I downloaded. It was originally a STEP file. I imported it to 3ds max and then to blender. The problem occurs when I select all the faces and select shade smooth.
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36 views

Why does shading mode show world view? I want to take it off to normal view

My object is fine and I can render fine but in shading mode it opens up in world view mode. Why is this?
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How can I make monospaced quadratic curve in shader nodes?

Iwant to use monospaced quadratic curve in material. I can find quadratic curve but it doesn't have same thickness.How can I make it?
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25 views

Filter input values in Shader Editor any texture

I am using a musgrave texture and I wanted to apply a low pass filter on fac output, and use it as a displacement in the displacement input of the Material output. I tried the math section but (EDIT)I ...
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What happens if I leave the Normal / Bump connected to the Principled BSDF without any input?

As in the image, I wondered, what if I keep these 2 nodes (Normal and Bump) connected without any inputs? Are there any performance issues? Are there any shader problems? It seems to me there are ...
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28 views

How do I make only a portion of my shader to be bumpy?

I'm using procedural shading at a beginner level. So i wanted to sort of mask out where the lava is. How do I do that?
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25 views

Help with rendering and glitchy parts!

Basically i was following a tutorial on making a donut since im quite new to blender. I followed all the steps until it was time to render. Glitchy parts came in and i didnt know what to do. Thank you ...
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19 views

Transparent material looks different in render/camera than in preview in Eevee

I've seen a few different questions with similar problems on here but none of the solutions appear to work for/apply to my issue. This one seems closest to the problem I'm having, but I don't have a ...
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11 views

Setup two entirely different shaders for every object, and render 2 images?

I am trying to use blender to generate training data for a machine learning algorithm. As such, I need to render a given scene twice, the first time generating an actual image, and the second time ...
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28 views

How to make that metall texture?

im looking at that picture of a sci fi terminal and im wondering about how to make that kind of white-metall-look? Is that maybe handpainted?
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12 views

How to play movie textures in LookDev/Material Preview Mode

I have a movie texture that I want to play in the material preview mode, I have verified that it works in rendered mode, but not in the mat preview. I am using cycles
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17 views

Applying Transform to a Huge Model

So I have a character I'm making, and I ran into a slight issue with applying transform. I heard a cube is about 2 meters, I didn't really realize this was an issue until I tried putting hair on my ...
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1answer
24 views

Why is the emission shader clamping even when I increase the strength to crazy high values?

I have made a pretty complex scene in Blender 2.82.. I used an HDRi to barely light a scene(strength 0.05).. I just wanted my scene to be lit by street lamps with an emission shaded ball inside the ...
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UV wrapping and shading in python API

I have created a python API script that creates a 3D model from scratch for 17 separate objects in 4 different collections. Now, I want to, with the python API, select edges, mark them as seams, ...
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11 views

Method to mass-apply shaders with different textures

I've been attempting to add shaders to a model quickly and efficiently. Currently my method requires me to go to every object and manually add the principled BSDF shader and link it to the main ...
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30 views

Invisibility Effect (Dual-Video Overlay)

gif: https://imgur.com/vDNeH9M (excerpt from https://vimeo.com/101172118) Wondering if this is possible in Blender. Is it masking and chromakeying? Not really sure what to call it: two moving images ...
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17 views

How to add Environment Texture (HDRI) using script API?

I'm trying to create a custom scene setup with a certain camera location and angles with custom hdri. However I want to make a custom script for it so that I will be able to reuse it for "n" number of ...
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24 views

Weird Jittering Effect Going On With Model?

So I have a 3D Model of Godzilla, and so far everything is great with it. The only problem is this weird effect going on near Godzilla's mouth area where the lighting seems to be jittering. I don't ...
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texture editing from obj. file

I imported an .obj file from another program and now i want to create window glass textures but nothing changes when i add a texture with max transmission. I also added an transparent shader but the ...
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The object shows in black color after adding color by vertex paint

I'm following a tutorial on YouTube. I painted my object without any problem with Vertex Paint by selecting the vertices and correct colors has been appeared on my object. Unfortunately, the object's ...
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26 views

Blender render looks different than Substance creation

I imported my blender mesh to substance, but when I imported the textures I created from substance back to blender, it seemed to have lost a lot of detail. What did I do wrong? Image 1 is the nodes ...
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1answer
28 views

How to fix excessive/complex topology

I imported an OBJ file from a different model maker and the topology is very complex and messed up. I was just wondering if the model was salvageable at all since it's the only model of this ...
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Object not rendering in cycles

I have a mesh plane object with two image textures applied. When I switch to Cycles and Rendered mode the plane is just black. This is a scrolled image across 200 frames to give the appearance of ...
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1answer
22 views

Can we create an Action from a Dopesheet animation?

I have animated a number of Shader Node properties and the keyframes show up in the Dopesheet but not in the Actions editor. I have tried copying the keyframes from the Dopesheet but I can't paste ...
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1answer
35 views

Shade smooth issues

I've been working on a model, and noticed a weird issue in Blender, when I used the Shade Smooth option, it makes black triangles in the model. Normals are calculated properly. I'm not really sure ...
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21 views

Cartoony shader style help

first time posting a question here. I am working on a comic book In blender. I found couple tutorials on toon shaders and came up with the picture on the left. But I have no idea how could I achive ...
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26 views

Woven fabric different string colors

Firs of all, Im fairly new to blender. Ive been using different other 3d software to model and render things for a couple of years now though. Ive been using keyshot to render products ìve modelled ...
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12 views

FBX model colors are not appearing correct after export

I am trying to create a road intersection asset for a video game my team has been working on. I am fairly new to Blender and I learned how to color assets using shader nodes and UV textures. In ...

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