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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28 views

Why aren't my nodes showing up in the shading tab?

I am following this tutorial to make a donut. However, when I am in the shading tab, nodes are not showing up in the bottom part. I have explored the area thing, but I can't find the starting nodes. ...
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Bricktexture allignment on different Objects

I wanted to make a House for my Art class and used the brick texture node with some extras to make a brick shader for the walls. Because the bricks didn't align correctly with the first object (House1)...
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Viewport Shading all grey

Does anybody know why my Viewport Shading has gone all grey. I must have pressed something because it was all fine a minute ago.. thanks
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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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79 views

How to Update NodeSocketString Value inside a node group in a attribute node using python

I have an Attribute node inside a node group, and for the node group inputs, I have created a NodeSocketString, Using ...
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Need to add Shader node to this tree but it's not available

I'm trying to add the "Shader" node to this drop-down menu but it's not available and I truly don't know how to figure it out or even find it otherwise lmao. I promise I tried Googling ...
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Texture Mapping Not Moving with Model?

I’m getting to the rigging stage of making this character, and something about one of my materials is getting messed up when I move her. Her eye’s material has a gradient that controls what part of ...
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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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2answers
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How to create baked bread shader?

I want to make a bread shader so that it is darker on top than on the bottom. I know how to make color, bumps and everything else, I'm only interested in a black and white mask for mixing colors. Of ...
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How to turn the Compare Math node result into a gradient?

I need help. I need the bracket (shown by the yellow grid on the floor and ceiling) along Y of this material to have a gradient, that meaning, to have the always "1" return from the Compare ...
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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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1answer
108 views

How to make a mask for voronoi texture (with randomness)?

click to enlarge I created mask from gradient texture with rgb mix node but it cuts some voronoi cells in half. edit: i need the voronoi position to act as a mask..so it didn't cut the voronoi cells. ...
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Making a flickering outline

So I haven't seen this posted anywhere. I'm trying to get a as-much-as-possible hand drawn effect. I've noticed that flickering outlines can help a lot to achieve that look. However, I've tried many ...
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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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1answer
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Why is the shading off?

I'm making a spaceship type thing and there's this strange triangle that's lighter than the rest of that side of the ship. I haven't applied any materials yet and I'm certain the whole side is flat. ...
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1answer
31 views

Why does assigning a second material to part of an object appear to delete that face?

I've been trying to assign a second material to the same object. After selecting the face and clicking on the assign button, it only deletes the face instead of assigning the new material. What am I ...
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1answer
19 views

What causes the output of this noise texture to be different from the example?

So, I have a noise texture. However (and I have just the output of the noise texture painted on the mesh) I seem to have a much different pattern from the example: His is a lot more.. "roundy&...
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19 views

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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1answer
16 views

Vary Color of Object Based on Object Dimensions (Size)

I have a DNA model that I created and imported from a 3D chemistry modeling program (Avogadro). I exported the model in .wrl format (the only 3D format allowed for export by Avogadro) and imported ...
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1answer
25 views

Metallic Map Color Space

When applying Metallic maps what Color Space should I select?
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How to exclude one object's reflection from another object? (Cycles)

How do I stop the green man from casting a reflection onto the motorcycle?
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24 views

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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Simulating Shadings Losses for Solar Field, like PVsyst

About Me: I'm an electrical engineer by Profession with some programming experience in Python and applied Machine learning. I am involved in modelling, optimization and data analysis of renewable ...
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1answer
91 views

How do I achieve this kind of light star effect?

I'm kinda new to Blender. Currently playing around with version 2.8 to practice some rendering. Is there a way to achieve this 'light-star' effect for the blooming objects with the emission? If there ...
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1answer
16 views

Smooth shading not working for curve elements

I used an array aswell as curve modifier in blender 2.8 to create a room out of an object, applied all the modifiers (no more active modifiers now), removed all doubles and activated the smooth ...
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2answers
30 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
30 views

Switch between materials within material [duplicate]

So I'm wanting to create a laptop with a keyboard (obv) and I've got the brushed aluminium material I want to use as well as a texture with keys for the displacement of the physical keys and a mask to ...
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Exporting material files with obj

I tried to export my blender file in obj format along with mtl file. But when I reopened the obj file in a new blender folder it didn't have any material with it. The model I made had only materials (...
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1answer
22 views

Control object emission strength (not material)

I have multiple objects with the same emission material. Is there a way to control the strength of the emission for each object?
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1answer
172 views

Why can't I change/delete the world background image?

I just want a normal Material and use a Spotlight as lighting, but I cant seem to find a way to delete this background texture image thing? Can somebody help me? The Screenshot was taken in the "...
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1answer
44 views

How to use SSS texture in Blender 2.8?

How do I properly connect the SSS texture in a Blender 2.8 using nodes? Blender 2.8 Without and with the SSS texture:
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2answers
59 views

Python: How to disconnect and reconnect massive ammount of shading nodes

I am familiar with scripting, a fair bit, but I dont know how to tackle this challenge... I have a big amount of Materials with a principle BSDF and I need to disconnect the ImageTexture from the ...
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1answer
41 views

How to use SSS texture in Blender? [duplicate]

How do I properly connect the SSS texture in a Blender using nodes?
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12 views

How to achieve true material splating for large terrains?

I'm running out of luck here so I need help. My current project uses a LOT of images to textures a large terrain (7 groups currently that each is PBR so at least 4 maps. Meaning 28x 4k textures). I'm ...
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25 views

Recreate or switch all the nodes of a type

I've modified node and shader related code on a custom build of blender, but some of the changes won't show up on previously made blend files without manually replacing the nodes or using the switch ...
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1answer
20 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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0answers
21 views

Multiply to Combine XYZ vs Combine XYZ to Multiply

I was translating the object's origin by Vector Math node. Though I'm a bit confused of why feeding Multiply & Combine XYZ on a different order yields different results. I thought both vectors ...
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1answer
48 views

How to animate vertex colors using animation nodes

How can animation nodes drive vertex colors on an object? Details I have a time varying dataset the defines the color for each vertex in a model. I'd like to use animation nodes to drive the colors of ...
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1answer
27 views

Shader nodes: ignore scaling, keep rotation

I've successfully built a procedural wood texture, but I'm having problems with coordinate spaces. By default, textures seem to follow the UV coordinates of the geometry. This is obviously useless; ...
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1answer
19 views

Smoothed surface shows odd lighting

I made this table for a game and it happens to have this weird lighting on the surface when I apply smooth shade.
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1answer
21 views

Why does my lighting not work Blender v.28

I am new to blender and I am following along with a youtube tutorial. I have tried to add lights but none have any effect on the object I have made, like the icon and direction shows but the literal ...
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1answer
19 views

Eevee volumetrics different in render

When I was trying to make a cloud in Blender, I began to notice a strange issue. When the cloud is rendered using Eevee in the viewport, it looks fine. But when I render it, it looks much more ...
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1answer
24 views

Apply static bump map to normals in Blender 2.82

I'm new to Blender and graphics. I'm trying to apply a bump map to a mesh and export it in OBJ format, but I have two problems: The .obj file nor the .mtl file contains any information about the bump ...
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3answers
36 views

Why objects reflected in the mirror are darker than original, as they were not receiving light

The curtains are dark in the mirror image, as they were the original object but not receiving the light of a point lamp that i used nodes to define color and strength (blackbody and ies texture). The ...
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0answers
41 views

What's the shading algorithm behind Smooth Shading?

When I flip between flat and smooth shading, I see that the vertex normals flip between n vertices for n meeting faces and single (averaged) normal. Once the vertex normals are deduced, how're ...
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1answer
24 views

Eevee Shader not showing in final render

So i've tried to render this animation a couple of times, but in the final result it doesn't show the colors of the Sky(Plane) like it does on the sun. I used the same shader on both objects, just ...
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45 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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Can I create f-curves for shader node values in python? [duplicate]

Using Blender 2.90alpha, I already have some fancy python code to set some keyframes on an object + data_path from my external data source. It creates ...

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