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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Bad shading on icosphere set to smooth

I used an icosphere to model a part of a building, I have autosmooth enabled with custom sharp edges but I can't fix the bad shading. In Eevee it looks perfect, but in cycles I get weird shading that ...
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16 views

How to fix blocky shadows on object? [duplicate]

When I render this flag I made, the contact shadows are extremely blocky. I am very new to Blender and 3d modeling as a whole, so I only know the basics and don't know how to fix this. I'm using an ...
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15 views

Add Shading and textures through Python Script Blender 2.8

I am exporting a character from iclone to blender in alembic format following the tutorial : https://www.youtube.com/watch?v=OkbzAUJgi34 I have the mesh and the textures separately in alembic format ...
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16 views

How to create a Multi Dimentional Door? [duplicate]

I'm trying to do things with as little of Photoshop as possible, seeing if there is a alt method on how to such effect. So, I have this scene set up where I need this door that leads to a white room ...
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How can to link the colour of a point light to the RGB colour of another object in the same scene?

In my scene I would like to link the colour of the point light to be the same as the colour of another object, which is determined by the shader applied to that object. The output of that shader is ...
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25 views

Why is the material looking better in the layout workspace than in the shading workspace?

What the title says. My material look lighter and worse in the shading worksapce and in the actual render. Why is that and how to change it so that the material could look like in the default layout.
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Mesh in Rendered View looks dark compared to other parts of mesh because of an extruded part I made and now I don't know how to fix it

So I extruded to slivers of the body mesh and now the middle faces are weird. here is a picture included. Wondering if its the normals?
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25 views

How to create a Low lying fog in fields slowly rising up? [duplicate]

I wan't to create a Meadow Scene and there is a lot of low lying detailed fog that is moving and rising very slowly like these in reference pictures If I adds simple principled volume shader it will ...
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32 views

I can't connect the nodes in the Shading Editor

Following this tutorial: https://www.youtube.com/watch?v=fdWUjEMzDhg (4:40) I have reached the part that I want to add color to the liquid but in the shading nod editor panel the elements are not ...
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How to see a shader and its nodes thru python or text console?

Can i inspect how a shader node is build seeing it thru python console or text script? it's possible to save/export shaders as scripts?
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1answer
36 views

Donut tutorial: Condensation for coffee cup not adding

I'm doing the donut tutorial. I'm on Part 5, Level 3: Condensation. At 18 minutes Andrew adds a condensation tuxture. I've added a material and the faces I select can change color and I assigned it. I'...
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41 views

Metallic multiply shading works in Eevee render but not Cycles?

Ive got 2 different meshes for one armature, one for base textures, one to give some parts of that texture a metal shine using a mask to avoid the non metal bits. In Eevee this works fine as I can set ...
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16 views

Procedurally applying textures [duplicate]

In order to have more control over my normal maps I tried the following workflow: I created a black-and-white image: The image gives me a neat normal map: Now I want to create a procedural texture ...
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15 views

Viewport shader can't switch between wireframe/solid/material/render

I'm working on a project in blender 2.8, about 1.5 GB, and recently (only since adding animations) haven't been able to switch between the different viewport shading modes. No matter which I select ...
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is there a solution or script to randomise the base colors of all materials in blender file? [duplicate]

is there a solution or script to randomise the base colors of all materials in blender file? I import fbx with 20 materials and they all have one color. I want to randomise their colors. or maybe ...
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26 views

Help with fake rim light shader

Im trying to recreate this stylized rim light effect I found on twitter. https://twitter.com/mozuya_/status/1163003220190384128 https://twitter.com/mozuya_/status/1078781961945047040 The effect is ...
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7 views

Glitching in Look Dev mode using emission node [duplicate]

I've been working on a model which has crystals with a "glow" effect, so I duplicated something I'd done in 2.7 and added an emission node to the shader connected to the volume input. When I do that ...
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22 views

Get node tree result values at certain points on mesh surface using Python?

Blender 2.80. I have material with several different textures (generated noises, images, etc.) mixed using nodes in Shader Editor. This material is assigned to the mesh. Is it possible using Python ...
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42 views

How to hide HDRI background in blender 2.80?

I have the same problem then Atek (here). "I have added an hdri environment file and i want to use the lights and not the background image. Is there any option present to hide the image and just use ...
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1answer
35 views

Texture painting looks really bad

I've been struggling with texture painting in 2.8 since its release. It always seems to have some little niggly thing that 2.79 had ironed out. In this case, the display of the texture - and when I ...
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20 views

Model looks weird in rendered view

I have modeled a googly eye and added a simple principled shader with full transmission but when I view it in rendered view, there is a weird black thing along it's edge. I have not encountered it ...
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16 views

Problem with Texture Mapping (Brick Texture works only on on surface and not on that ones who are normal to it)

I want to make a headphone with a fabrik patern. But when I want to use the Brick Texture with a UV map, I get the pattern only on one the sides and not on top and at the bottom of the model. What I'm ...
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12 views

Toon shading Shadows shows inaccurate results

I have never worked with Toon-style Shading in Blender, and as a result, never had to play around with shadows too much. I apologize in advance if this turns out to be a simple human error The part ...
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24 views

How do I make procedural textures match UVs correctly?

I've been working on shaders in Blender (2.8) and I came across an issue where the Wave Textures that I have don't match my UVs. This is how it looks: But I want it to all scale down to the middle ...
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1answer
14 views

Make transparent effect by nodes

I need a material for my leaf. I have an alpha texture but i dont know ho to make like a transparent effect( i dont know how to name it) how can i do like on a picture?
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27 views

How do I get black to stay black?

My intent is to have a black letter on a bright white background. I have played around with lighting, roughness, etc but I just can't get the clean colors I want - just these different shades of grey....
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1answer
26 views

Blender Crashes Requesting more GPU Memory

I was working on the nodes withing the shader editor and suddenly this pop up appeared asking for more GPU memory. The current configuration of my system is 16 gb ram nvidia quadro k2000 2gb It ...
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23 views

Character Model Hair

I am working on a mid-poly character for a third person shooter in Unreal Engine 4, however I'm running into difficulty with her hair. So far I've been making basic hair cards, mainly just repeating ...
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36 views

Volume absorption node Eevee

Is there render settings I can change to use the volume absorption node in eevee
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23 views

A Node Setup that converts a greyscale bump texture into an RGB normal map… possible?

I want to create a pbr texture (voronoi based) and then have it converted procedurally into a normal map, which can then be plugged in to the normal node. (do not want to use bump node) Surely this ...
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9 views

Can't change shading presets in Blender Shading tab

When I am to go into the shading tab in Blender and try to change the background HDRI like so I can't change the shading settings. Can anyone help.
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9 views

Change ColourRamp value based on the intensity of shadows cast onto an object, in eevee

I'm making a simple toon shader in eevee, following simplistic shading methods - take TheOdd1sOut's character shading as an example. Every time I do this however, it's really difficult to get the ...
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11 views

Wrinkle Surface [duplicate]

I made this mesh extruding a svg curve from Ilustrator. The idea, as you can see on the modifiers panel is to bend it. I understand that for this I need to divide the face with edges so that I can ...
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35 views

Why does my Look Dev Mode look completely glitched?

Today marks my first day's experience with blender. Complete newbie here. I've been following a tutorial on building simple characters and getting familiar with the work space. I noticed something ...
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50 views

How to add smooth step equation to a shader node graph?

I'm trying to add some math to a shader network that I'm building. I want to take a numeric output from a node and pipe it through the equation f(x) = -2x^3 + 3x^2 (this is sometimes called the ...
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36 views

Create a Material using Python script

I have Created a Node group Using Python Script and Now I wan't is To Convert This To Add-on, I Wanted that whenever I click a Button "Add Test Material", It Create a Material which consist of That ...
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12 views

Normal map covering entire mesh. How do I assign new shaders to parts without overwriting the normal map?

So my mesh is just a person. I've sculpted it, retopologized it and baked a normal map for it. Now the problem is that I want to assign textures to part of the mesh like skin, textiles etc.
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26 views

How to append a material and make it the active material using python?

I have appended a material from another file using the following script: ...
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0answers
27 views

How can i build a texture similar to a tennis ball

i am trying to make a texture similar to either a tennis ball, or a towel. I know they are quite different, but I was wondering if something in between the two were possible to create as a procedural ...
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1answer
43 views

Eevee autosmooth

I am making an eye in 2.8 and came across a problem with shading. Mesh edges reflected the inside and whole thing appeared flat even with smooth shading applied. Here is the same mesh subdivided 6 ...
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37 views

shading view is different than render view [duplicate]

hello community I am much worried while adding material to the objects in blender 2.8. I am facing problem that the shading view show the accurate colors what I do made as shown in figure below. as ...
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22 views

Connecting Node Group output to material output using Python script

How can i connect output of a node group to a material output node in blender 2.8 using python script ? ...
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25 views

Why are the backgrounde/surroundings of intro templates not working?

I tested a few intro templates and with all of them I have the same problem: I can change the text and the animation of it and additional elements are working fine but the background/surrounding is ...
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1answer
25 views

Eevee - Material Shader - “Ray Length” or Z-index equivalent?

Is there a method of controlling EEVEE shader node values based on distance from the camera? (Something like "Light Path > Ray Length" provides for Cycles shaders.) I know you can render a Z-depth ...
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31 views

how to make edge fade away with principled volume shader

how can i make edge on the atmosphere fade onto nothingness, right now it is to noticeable where it ends. I am using only principled volume shader and the density is at 0.0003. Changing density does ...
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1answer
40 views

Add material to text's bevel?

How do I add one material to the whole text (excluding the bevel) and a separate material that only applies to the bevel of the text? For example, if I wanted to have this tile material on the whole ...
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25 views

Shading/Light problem on project

I have made this well but it doesn't look very real and I think because of the shading. Can anyone help to add more shading to the bottom of the support beam and the base of the bricks? I have linked ...
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17 views

Displacement`s type=Wood add in shader Editor

There is Displacements type Wood. It is just black lines. I would like to use this Wood texture in my shader. Can i add this ...
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32 views

Render Problem with a Glas Material and the Archipack addon

I struggle with a more or less realistic enviroment for my prototype model of my desk. So first the preview, with cycles (left side). When I render the scene, the door glas is white and not ...
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43 views

Blender won't render any bump maps

So, I've recently sculpted a head, now I've added eyeballs. But the eyeballs won't render my bump map even when i connect it to displacement