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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1answer
30 views

getting mask data into shader network through python or any other way

is it possible to fetch bpy.data.mask[] into cycle or blender internal shader as texture? Thanks.
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Cycles getting black shaded areas of emission / transparent shaded faces [duplicate]

I have a terrain mesh that I have shaded using a combination of emission shader and transparent shader. The issues is when I view the model from any angle where there would overlap from itself, for ...
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1answer
45 views

Why are my donuts appearing lIke this

So a few months ago I did the donut tutorial in cycles, then I opened it in eevee. Unfortunately,there appears to be an outline. I have the Eevee toon shader add on, but I can't find it in my ...
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Black lines appaear on edges of mesh when turning on smooth shading

Kindly need help as I'm getting random specks or lines of black on the edges of my mesh. This only shows up when selecting "smooth" shading. Also I have subsurf modfier enabled. More over, adding more ...
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2answers
708 views

Spherical Distance-From-Center Gradient

Using this simple node setup, i'm able to get a pretty good gradient for this kind of mesh : Could it be possible to get the same kind of gradient with a sphere like this one ? I mean, the further ...
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1answer
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MagicTexture - how to customize colors?

Instead of having all the psychedelic colors of the magic texture feature, I'd like to have 2 or 3 of my own custom colors but in the same swirly pattern. Is that possible?
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2answers
667 views

How to change mesh to Flat or Smooth shading while in sculpt mode?

I am learning sculpt mode and the best way to see the results is by switching from flat to smooth shading in object mode, but the best way to see geometry of what i am doing is best viewed with flat ...
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Applying texture on material [2.8] [duplicate]

I created a simple toon shader material: What I want to do is apply a simple pattern like: on to the yellow color. How can I mix both? The pattern has an alpha channel also So final result should ...
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1answer
133 views

Rendering Options Missing

In the rendering tab, I am missing numerous options such as anti-aliasing and shading. Is there a toggle in user preferences for expanded rendering options?
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1answer
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Increase the length of the z-buffer [duplicate]

I am using the examples already given here, i.e. Convert depth/z value to RGBA The problem I am facing here is to increase the depth. If one sees clearly a blue pattern starts from a close distance ...
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9answers
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How to reduce fireflies in Cycles?

I often use Cycles' built in Glass BSDF shader to achieve realistic refraction effects, but in many cases, it seems that Cycles' glass caustics creates an unfortunately large number of fireflies (...
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1answer
6k views

Alpha Channel in Eevee?

Apologies in advance for the Eevee question... but!...now that the releases are getting more stable, I'm messing around with it and wondering if anyone has gotten an alpha channel/transparency mix ...
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1answer
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How to get shadows information in cycles

I have a WIP looking like this Now I want to do something about a background and I want to do it in a similar halftone style. But when I'm applying it the same way as I did on the models, the dots ...
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1answer
163 views

how can i create a grainy rough plastic material in blender, just like one on MI TV Remote

I am creating a tv remote and for that, I am looking for material just like MI tv remote.
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1answer
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trouble with smooth shading 2.8

hey guys so i got my model to the point where i am trying to shade smooth ive got no modifiers or anything just a model i put together. on the bridge of the nose and the back of the lower head there ...
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7answers
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How to render cartoon style with completely flat colors?

How to render perfect cartoons in blender? Whatever the engine is (internal or cycles) I always get that shading transition somewhere on the model. The first picture is in blender internal render ...
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2answers
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Why do I have no 'Shader' category when trying to add nodes? [duplicate]

I am a complete beginner. So, I might be dumb - sorry! I made a 3D model. Now, I want to work on its surface - which lead me to materials and shaders. So, I added a material and then opened the Node ...
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2answers
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Strange shading on flat surface

I am trying to model a snooker table for an Unity game and I have an issue with strange shadows on the cushion: This is how I modeled the curved edge: It's not an Unity issue because if I choose ...
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1answer
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When I copy and paste the shader nodes and objects from a blender session to another one I lose some characteristcs

What I did has been to copy and paste the teeth and the gums from the original blender file to the blender file that I'm using and an odd thing is happened : the yellow color of the teeth and its ...
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1answer
33 views

Reflection in sphere becomes more distorted as subsurf increases?

I was baking normals from hi poly to low poly meshes. With this specific example of a hi poly icosphere the reflections are distorted, whereas the low poly sphere is less so. so i was just wondering;...
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Cannot achieve the same result as the tutorial, mine had some shading issues

i am following some tutorial and i followed every step in the tut, but mine mesh came with a lot of shading problems. The edge are not smooth at all. Can someone help me out ? I set the smooth shading ...
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1answer
103 views

Textures turn black in material and render mode [duplicate]

I downloaded a free shader setup from a site and after unwrapping it, the texture comes fine in the texture shading viewport. But when I shift to Material, or render shading, the object is just plain ...
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0answers
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Where is this image coming from? [duplicate]

If I create a new blender file, switch to "lookdev" view and apply the glass shader to an object, this happens: Where is the image of the reflection coming from? It is a brand new file so it wasn't ...
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0answers
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How to apply the aged skin effect from a 3d mesh / configuration node to another one

I'm trying to make a better skin for the face of my character,that you can see below : On blendswap I found this character that I find interesting because it has a nice aged skin : Without changing ...
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1answer
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How does EEVEE work?

We all know what Cycles is, at least to a first approximation: Cycles is a path tracing engine [...] Specifically, cycles is a "backwards" path tracer, which means that it traces light rays by ...
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1answer
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How To fix this weird shading issue? [duplicate]

]2 Weird Shading which also effects the sub d in a weird way. Maybe it's a bug but I have a feeling I screwed up somewhere :)
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4answers
756 views

How do I color the shading of a material?

Some art styles increase the saturation in their shading, I'm trying to achieve this effect as seen in cell #2 of my example image. Right now it looks like cell #3, which lacks this and looks dull in ...
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0answers
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Procedural Materials On Fluid Simulations

Been struggling with this for a while. I've made a procedural lava shader and I want to put it on a fluid sim. The problem is, all the mapping methods I've tried make the fluid travel through noise ...
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2answers
85 views

How to create a material which lets light pass through unaffected?

Ok, so im looking to make a material which; allows 100% of light to pass through unaffected. As if the surface was never there. allows normal textures to be applied as usual whilst looking as it ...
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1answer
77 views

Overlay more than one transparent images in one shader

I'm trying to use the Shader Editor to put four transparent images onto one object. My approach to this was to add all of the alpha channels together and then to use that combined alpha to mask the ...
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1answer
47 views

Anistropic shader: mine doesn't converge at centre

When I used Anistropic shader, my highlights do not converge at the centre as opposed to Blender Guru's example. Why is that so? Thank you. link to tutorial
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1answer
98 views

Using Python, how can I preset points in ShaderNode RGB Curves?

I have referred to https://blenderartists.org/t/how-to-modify-rgb-curve-nodes-in-compositor/503936 hoping the technique would be same or similar for shader nodes. I have also checked Is there a way ...
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1answer
52 views

Blender 2.8 How do I fix the gloss on this mesh?

I’m using normal maps here, Is it the faulty map or something else that’s causing this strange effect? How would I turn this into something like this: Sort of a matte effect
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1answer
280 views

blender 2.8 flat color for 2d animation

I want to make some thing like 2d motion graphic with blender, i have done it with blender 2.79b without ligting but with nodes, input RGB, connected directly to output. since next july blender 2.8 ...
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Transparent shader in EEVEE has color glitch problem

When rendering out a sequence with these bushy leaves, on about every 10th frame there seems to be a color glitch, which does not appear in the viewport, only in the rendered png sequence. Do you guys ...
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0answers
26 views

Use ambient occlusion to highlight fine details in 3d model?

So i have been trying for a while to use the ambient occlusion node to create a material which looks like line art (see photo). the node setup in the photo is basically along the lines of what i've ...
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1answer
3k views

Objects, shadows and reflections not rendering in EEVEE

I started to work with EEVEE short time ago and I was amazed by the capabilities of this engine. However, I noticed something strange when I was rendering some tests. Some objects/reflections/shadows ...
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2answers
50 views

Normals Disable Smooth Shading?

I'm having an issue that whenever I input a normal map into a shader normal node in blender 2.9 it disables smoothing for that object and the polygon face edges become visible in the render. Any idea ...
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0answers
51 views

Why does LookDev make meshes invisible in Eevee and Cycles in Object Mode?

When going into LookDev mode, my mesh is no longer visible, leaving only an outline of my object. Edit Mode seems to output a wireframe with slightly darker outlines than the regular wireframe mode. ...
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0answers
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2.80 - Assign different materials to different parts of a mesh or different Geometries? [duplicate]

this question is about Blender 2.80. The answer from 5 years ago was has to be done in "Edit Mode", is this still true? is there no way to simply drag/drop a shader onto a geometry? thanks!
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Drag n drop multiple files into shader editor blender?

Is there any way to drag and drop all texture maps into shader editor at one go rather than go one by one ? Thank you
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3answers
7k views

Blurring/Feathering a Procedural Pointiness Mask

I'm trying to create a procedural mask to affect the sharp edges of my model using the Pointiness output from the Geometry node, ...
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0answers
33 views

What is the substitute for gpu.export_shader in Blender 2.80?

I am trying to export GLSL from Blender materials in a scene. This call appears to have been removed from module "gpu" in Blender's Python API as of 2.80. Is there any substitute? How should I proceed?...
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0answers
57 views

Blender Renderman - Transparent plastic

I have an object, where I wanted to have specific parts that looks like a transparent plastic. So I have used the primitive variables to adjust the part that I want to be transparent, and the others ...
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0answers
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Shader can be exported?

The only way to export shaders is by creating different maps ?(normal,roughness, mmetalic etc.)I want to sell a 3d model and i want to sell also the materials.Is possible?
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0answers
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Using a different normal for shadows and shading

I'm using modified vertex normals for making an anime-style toon shading. The thing is, if an object is placed between the light source and the object with modified normals, it's shadow hasn't got it'...
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2answers
374 views

How can a vertex have a normal?

I understand a normal to indicate the following information: normals are intersections which are perpendicular to the plane of your face I understand this to be a vector. And that a shader uses ...
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1answer
661 views

Is there a Cycles equivalent to Eevee's Bloom Option?

Is there any equivalent option or process to get results equal, similar or better than Eevee's Bloom? If yes, how could I do it? I have an object with Emission Surface on Material in that case it is ...
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1answer
49 views

Why are my render results not coming out the same as viewport?

When I render my scene, it renders the solid view shading instead rendered view shading. How do I fix this?
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1answer
212 views

One part of the model looks glossy?

Why does the head look so shiny compared to the body? I haven't added any texture yet, I think. (I'm still new to blender) I tried changing the matcap but it still looks very glossy. How can I get rid ...