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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Render mesh with level curves

With the geometry node, I can retrieve the z coordinate for use in shading. Also, I can use map range, truncate, and divide, to "posterize". Is it possible to produce level curves, that is ...
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4 votes
3 answers
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How to make photo-realistic lettuce?

Arguably the most crucial thing to make a burger look realistic? (Actually no.) Well, you probably know how hard it is to make realistic lettuce, and despite my unlimited attempts, I haven't even come ...
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1 answer
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How to lock my world background's position? keep following my camera

I am following this guide to make a world background. World Background Image: Environment Texture does not scale right How can I lock the world position?
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Exported model doesn't contain image texture [duplicate]

I am new to blender so I decided to create my own model to export and use it in Three Js. This is model in question: But when test my model on https://gltf.report/ instead of screen background I get ...
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Is vector math node slower than math node?

I looked at https://docs.blender.org/manual/en/latest/render/cycles/optimizations/nodes.html#node-optimizations and apparently Blender is pretty good at optimizing node trees. This made me wonder a ...
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How to read shader code of a compiled node tree?

Since Blender supports GPU rendering, sometimes the shader node trees need to be compiled into a form that can be sent to the GPU. I don't know if it's first compiled into a shader language HLSL/GLSL/...
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What shader can I use for stacked transparent boxes?

I have a cube build from red and green bricks I want the red as well as the green parts to be transparent, but I cant figure out what shader I should use. My main problem is that during rendering, ...
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1 answer
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How are images with different aspect ratios mapped in shader nodes? [closed]

I have two image textures one is 1024 * 1024 and the other is 1024 * 2048. I want to map them once using object coordinates and once using UV coordinates. How does Blender handle images with ...
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-1 votes
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the low poly after topology bad shader

after topology, I found that some place has slightly shading black, it seems along the grid I try to fix it by using shade smoothly, recalculating normals, eg. but, no effect. it still shows in 3dsmax ...
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Scene in Material Preview, Rendered + Shading tab is completely black

First week on blender, sorry i'm being stupid I was practicing re-creating a scene, and wanted to mess around with some colors, but I couldn't even in Material Properties and the Shading tab. Meshes ...
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2 votes
3 answers
57 views

Procedural Border Detection on a Flat Object

My aim is to create a border around a dynamically changing flat surface. AO and Pointiness don't work obviously. The image below is from here which illustrates my goal somewhat. I would like to have ...
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I need help with combining Voronoi texture and Noise Texture

I have this colored noise map I think I need to combine this Noise map and Voronoi Texture to get something like this How can I do this?
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2 answers
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Change the color depending on the normal direction

I need to change the color of the cube surface depending on the normal direction. For example, the surface of a cube should change color to red if its normal is directed upwards +/- 10 ° (on the Z ...
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2 votes
0 answers
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Weird artifact/cube shapes when I put flame shader on imported vdb [closed]

I've been seeing these weird cube shapes when I import an embergen vdb and the flames run out, via clicking on the flame attribute channel. details: it only happens after all the flames in the flames ...
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How do I add a large amout of textures to a large amout of objects?

I downloaded a scene/map of Gerudo Town on Open3dLab and the textures which are separated from the .blend. When I load it the textures aren't loaded and I have to do it by hand. The textures have the ...
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2 votes
0 answers
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Fine Lines Cycles Render

I have been interested in high-tech HUD looking renders in Blender. Many of the HUD graphics that I see are pushing the limits of how small text can be while still remaining legible. They push the ...
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1 answer
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Shading Editor - View texture map in Node?

I thought there was an addon to do this, but maybe it's built in to blender 3.2 ? In the Shading Editor, How to View texture preview image? A thumbnail version of whatever map is being used.
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Can't texture small wall without it looking weird or artifacts on the edges

I created a small wall, next to a road and put some pbr wall texture on it. I am trying forever to get rid of these artifacts and thought it is because of uv mapping. First I did cube projection ...
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1 answer
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How to create procedural square transparent simulated shadow?

I am new to Blender, and I would like to create a procedural material that simulates a transparent shadow for a cube. I already know how to create a simulated transparent shadow for a sphere (see ...
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0 answers
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Why does my glitter material look worse when I bake it's map? [closed]

Why does my glitter material not look as shiny once I bake the maps? https://www.youtube.com/watch?v=QRZXGbiXYHc I used the above tutorial if that matters. The maps I baked are diffuse, metallic, ...
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1 answer
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How to make shadows invisble for one object to another object?

How to make shadows invisble for one object to another object ? I want ONLY make this two object have shadow-hide relationships, all of the other object ever can shadow be or be shadow on this two. I ...
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1 vote
0 answers
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How to get the actual light reflectance vector?

The texture coordinate node has an output called "reflection". But this "...
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1 vote
0 answers
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Weird shading when rendered compared to preview

Hi im trying to render a downlight and the rendered results gives me with this weird artifact/bug? In preview mode everything looks fine. Rendering it from the side is no problem. the problem only ...
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1 answer
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Why is this white emission object rendering as grey? [duplicate]

I am making a very simple animation - a thin torus that spins. I want the object to be sharp and pure white. This is my material, it has an Emission shader with a 1 value which is supposed to render ...
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I need a shader solution to render 3D objects like an animated Blueprint

I am compositing video of 3D machine parts into an After Effects project where all the objects have white lines delineating their edges [ external outlines AND internal edges ]. I would like to ...
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1 vote
2 answers
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How do I avoid this weird pixelated effect when creating a grunge texture?

So I was informed by one of the moderators that my post's title was not specific enough. So I decided to just create another one that aligned more with my problem and deleted the last post. Hope that'...
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1 answer
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texture nodes: question of alpha!

I added this fence texture to these poles. (link:https://ambientcg.com/view?id=Fence007A They look alright in separate views of the poles, but with all the environments and everything apparently I don'...
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1 vote
0 answers
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Issues with Shadows (Followup)

Yesterday I made a post about how my character didn't have any shadows rendered on it, the person who answered the question said he couldn't explain very much without a screenshot, so here's the ...
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1 answer
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Noise texture on top of a toon shader

I am trying to add a noise texture on top of a toon shaded object which also has a wave texture effect. The object is slightly darker than it should be (for example the light grey should be pure white ...
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3 votes
1 answer
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How to make this emeral shader look like this?

Is there anyone here who can show me how to make shading like this art? https://www.instagram.com/p/CGryePsAuaz/ (high quality) Thank you for the answer
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1 vote
1 answer
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Creating textures for other programs

I created a chain mail with blender. I would like to be able to export only texture images (like BaseColor, Diffuse, Metalness, Normals, Roughness) without 3d object, to use them in other programs ...
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-1 votes
1 answer
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Strange illumination in the roughness of the texture

I'm trying to import this texture: https://www.poliigon.com/texture/metal-spotty-discoloration-001/3225 From here you can see how I did it and the result To download the texture images and the .blend ...
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1 vote
1 answer
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faces of imported objects have different reflective properties

I've downloaded some car models, and after applying the scale on them, it became apparent that some of them have a narrower fresnel angle, so only the clearcoat is visible on most of the object. I've ...
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1 vote
1 answer
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Issues With Shadows

I'm making a character, but every time I put it in render mode no shadows pop up. I feel like this has a simple solution but I can't figure it out. Can someone please help?
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2 votes
2 answers
59 views

shader: separate XYZ relative to object geometry

This tutorial explains how to make a shader that blend object with the ground by extracting the ground texture and applying it to the object. Here is an exemple: The blending is done with a color ramp ...
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0 votes
1 answer
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How to "lock" Location in Object Info for shading particles?

I made some particle simulations and want to add a pattern to the particles. The only way I've found to project a texture properly onto the particles is via Location in Oject Info. The problem is, ...
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3 votes
1 answer
56 views

Problem with shading when using loop cuts

What i did here is simple: 1: Create a cylinder, shade smooth, then auto smooth 30° 2: Insert two loop cuts in one of its side faces After that i switch to object mode and i got a shading problem, a ...
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2 votes
2 answers
56 views

Shading issues with bevels on a cylinder

I'm having some issues with shading on a simple cylinder. When I add a bevel to the edge, it shows some unwanted lines in object mode. I just don"t know if this is something I shouldn't worry ...
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1 vote
2 answers
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checkers pattern

I made a procedural pattern (photo 1) it works perfect on a cube but when i try to get it om my model it gives strange lines (photo 2). What did i do wrong?
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2 votes
0 answers
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Fixing a shader that behaves differently (3.2a =>3.2b)

Basically, I've constructed a shader that I'm very happy with using blender-3.2.0-alpha+master.295d5c6ef5b9-windows.amd64-release. When I tried to import it into my ...
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4 votes
1 answer
62 views

Geometry tree: Trying to fully understand how to create and use custom attributes (fields)

Version 3.1. Setup I'm trying to follow different tutorials where objects of random colors are placed at the vertices of another object. According to this tutorial, this can (must?) be done this way: ...
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0 votes
0 answers
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Purple texture showing even when reimporting all the textures manually

I´ve downloaded a fbx model from CGTrader, and when I imported it to Blender, the textures where showing in a purple color, so I knew that that was happening because of Blender not knowing where the ...
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0 votes
1 answer
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How can I make an outline for a mesh but only on the exterior part?

I've been struggling with making an outline that does only show on the exterior part of the mesh, not like the solidify outline that also works with parts of the interior. What I am looking for is ...
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1 vote
1 answer
36 views

Turn off Temporary Viewer Node?

I've just discovered the Temporary Viewer Node in Blender by clicking Shift-Ctrl-LMB on a node. Very useful! Question: Is there a way to turn off the Temporary Viewer Node just as quickly without ...
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0 votes
0 answers
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Unexpected gradient behavior with the Particle Info Node (index and age) and fluid/liquid simulation

My goal is to get a gradient from a baked fluid/liquid simulation, ideally with a baked mesh. Below is a rough example of that idea. But when I use a Particle Info node Index, the gradient has this ...
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6 votes
2 answers
135 views

How to properly use specular pbr textures in blender?

It seems like there are two types of pbr textures out there metalness workflow (works great in principled shader) - Inaccurate Specular workflow (it seams that there is a shader in Blender only for ...
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2 votes
0 answers
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How to get the exact distance to the closest edge from voronoi texture?

The voronoi texture itself comes with a distance to edge option, however it only lets you use the euclidean distance to edge. What I want is the distance to edge for the Manhatten and Chebichev ...
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2 votes
1 answer
197 views

Skin texture gets lighter at certain places (ears and nose) in Cycles

So I started following a tutorial on creating a versatile skin shader:https://youtu.be/8ae6gm3MZy4 When I use this material in my own project the ears and nose get a lighter skin tone then the rest of ...
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1 vote
3 answers
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Unable to change the Material for all the objects in the scene. colour changes for all [duplicate]

I have made a balloon doggo, and wanted to give each doggo separate colour, but I am unable to do so as when I select the desired doggo and change the colour, it changes on all. I copied all the ...
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0 votes
0 answers
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Strange jagged shading? [duplicate]

I am modelling jewellery so I have set up blender measurements and clipping to adjust for the small sizes. I didn't used to have this problem, only seemed to appear when I updated blender, I must have ...
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