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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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Toon shader with transparency end emission

I’m creating a new material to use in my works, in this case, it would be a cartoon-style cel shader, I added image support, lineart, among other resources, but some are missing, because I’m having a ...
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1 vote
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How to give particles the emitter body's colours at points of ejection using Normal data?

I have an Emitter object shaded using its mesh's Normal data and doesn't have a texture applied. I want the particles it emit to inherit colours from their point of ejection but cannot seem to figure ...
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Volumetric Bullet Trails?

I'm trying to create a volumetric bullet trail for a stylistic piece. I'm struggling with how to continue with what I have, which basically amounts to stretching out a glowing noise volume. I assume ...
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1 answer
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Why using Boolean Mesh node material is ignored?

I have a mesh, and I want to extrude a part of it. Editing the mesh is not what I want (first of all is a big mesh), I want it procedural. Now I loosed the material in the resulting mesh... Any way ...
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1 answer
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Base Color Bake is different to Original Color

I am just simply baking the base color of my mesh into an image. However, the baked image is noticably lighter by around 10%. Why is this the case? https://drive.google.com/file/d/...
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How do I create foam around the object?

I can do it, but using dynamic paint, baking the image and using it as a coordinate But the waveform completely misses the design! in this image I used texture coordinate and used monkey as value... ...
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1 answer
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Not smoothing the rear

I am trying to create a bar, that has a rounded end. I did this by creating a cylinder with 32 vertices, extruding the outward-facing faces, and then deleting the middle and back. This seems to work ...
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2 votes
2 answers
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Map (smooth) vertex group to a vertex color in geometry nodes

I have a vertex group, which was painted using weight paint, called trees. I would like to use it in the shader editor to (smoothly) mix between two shaders. As I ...
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3 votes
1 answer
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Creating a greyscale gradient between two chosen points in the modelling space

I'm making a model for a game which is rendered in an isometric view. The mechanics of game engine also factor in model height to determine which part of the model should be rendered in front of other ...
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1 vote
1 answer
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interchangeable material options

I created a base template for a bottle that will include different labels, seals, caps, and liquids, and want to have multiple options for each to choose from when rendering. For example: Bottle 1: ...
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Some shading troubles

I have some issues and I'd be so appreciative if u could help me. The problem is that the color is different on one part of a icon, I checked shading nodes etc. but nothing seems to be wrong there
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Shader smoothing [duplicate]

I have 1 mesh. I assigned 3 materials to different part of geometry in that mesh by going to Edit mode, selecting some faces and assign material. Problem: I wanted to smooth shader, but I noticed that ...
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Marvelous Designer to Blender turns half of hoodie black

I went through a basic course to build the attached jeans and hoodie skateboarder. Things look great in Marvelous Designer but when exporting to blender as an MDD half of the hoodie and the sleeves ...
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4 votes
3 answers
219 views

Change the Color of two materials with One group-node

I want to change the color of two Materials with one group node. That's my setup: First material (Car paint) just a Glossy BSDF for the color inside a group. Second material (Black strips - mask) A ...
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2 answers
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Why does this normal map look weird when I use it?

I'm not really sure how to explain my problem, but basically what is happening is when I use the normal map to this model it makes the arms, hands, and feet look funky and weird. I've tried different ...
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1 vote
1 answer
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Need help with script that loops through a collection and bakes objects

So I'm having some difficulty with a script I wrote that should loop through a collection of objects and bake the materials for each object. I feel like I'm pretty close, but the script is failing at ...
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11 votes
4 answers
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How do you draw sin, cos and tan with shaders?

I want to draw sin, cos, tan and other mathematical functions with the shader editor. How do I do this?
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How to make noise converge around other noise?

I got two really simple wave textures set up in my scene here. What I want to happen is for the black wave texture to sort of 'get attracted to' or 'converge' around the red wave texture. I want the ...
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10 votes
1 answer
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How can I visualize a negative energy source with Blender?

Imagine a light source from which light rays emanate in three-dimensional space. This is what Blender and any other program does in the case of ray tracing. These light rays hit objects and are partly ...
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How do I make a black and white emitting light?

So, for a project I would like to make a low pressure sodium vapor lamp. In the video below it show a light that has such a specific wavelength of light that it makes everything look black and white. ...
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1 vote
1 answer
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Can we test out a bunch of different ColorRamps with the Asset Browser?

I've set up a basic color ramp here which just has a bunch of different colors in it. I want to be able to prototype different color ramps by swapping them in and out - perhaps with the asset browser. ...
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1 vote
2 answers
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Creating Tiny Splinters In Plastic Using Shaders or Geometry Nodes

I'm trying a 3D printed look. I have the layer lines down so far, but how can I generate these tiny Splinters?
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1 answer
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ColorRamp does not invert properly

I have a gradient texture in a colorramp to control a mask for shading, but it is masking the opposite part of what I want. This is what I have: And I want to have this, but opposite, where the white ...
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1 vote
2 answers
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retro pattern shading for UV sphere

I started working on a project for a friend and it involve shading for a sphere I already got the outline done but i have no idea how to do the wavy center. I tried messing around and searching if it ...
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0 answers
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Procedurally Creating Tiny Imperfections using Shader or Geometry Nodes

I'm working on a project where I'm importing GCODE (that is a file that a 3d printer takes in and prints an object for you) and displaying it on Blender. This is what I have so far. Please understand ...
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2 votes
2 answers
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How to get Z Euler Rotation value of constrained object?

I have a shader that uses the Z rotation of an empty (called Sara_Origin) through drivers to calculate the shadows on the face. The empty's rotation is constrained to the head bone of the character ...
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4 votes
1 answer
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Light path node ray depth counting direction

According to the Blender docs https://docs.blender.org/manual/en/latest/render/shader_nodes/input/light_path.html ray depth gives the ...
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1 vote
1 answer
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How to procedurally select random parts of a texture and mask out the rest

I want to be able to programmatically select random parts of a Texture and mask out the rest. To rephrase it another way - I want blender to randomly select parts ...
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1 vote
1 answer
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How to change strength of studio light via python? (UPBGE)

Hello I would like to have the studio light strength change from 1 to 0 when entering a new scene. I assume that this is achievable via python, but what would the required script be? Thanks.
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4 votes
2 answers
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How to create a Wheat Straw Plastic material

I am trying to create this type of Wheat Straw Plastic material and having a short animation where the speckles move. How would be the best accurate form
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1 vote
1 answer
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Texture becomes black in Cycles

I downloaded a 3D model from Sketchfab and it looked normal when I rendered it in Eevee. When I switched to Cycles, most of the parts of the texture turned black. From what I read, other people who ...
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2 votes
1 answer
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Blender for elevation models - split object z coordinate at 0

I'm using the GIS addon (https://github.com/domlysz/BlenderGIS) to import digital elevation models into blender. So far so good, it puts a regular mesh at the right coordinates at the correct scale ...
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1 vote
0 answers
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Has the way the way the Shader to RGB node functions changed in 3.2?

So I'm using the 3.2 alpha, and was working on my comic which I do with a toon-esque render. But then, I noticed that my bump maps weren't functioning properly. After much tinkering, I tracked it down ...
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2 votes
1 answer
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Mixing shaders causes unwanted transparency

I have a texture I got from the BlenderKit addon on which i'm trying to add some "droplets" using a Refraction BSDF node, however when I mix the original ...
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Cannot stencil a imgae when I sclae it down but works when I scale it up, why?

I use a png imgae to stencil and it doesn't work when I make it small. I cannot use the brush to paint at all. However, when I scale the image up to make it big, it works. This disturbs me a lot. Hope ...
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Need help translating a mathematical formula to nodes

Recently I went deep into the shader nodes rabbit hole, and just straight up started recreating the code for all kinds of fractals, raymarchers, ray-tracers and even path-tracers in shader nodes in ...
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5 votes
1 answer
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How do I keyframe a shader node?

I want to keyframe this value to change, how might I do that?
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1 vote
1 answer
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Is it possible to use external resources as images?

I wonder if it is possible to use external image sources (http, ftp, sftp, ...) directly or cached as resources in the shader. The question is not about how to basically download a file with Python, ...
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Clean Up Node Groups

in the shader editor let's say I hit a couple of ctrl+g to group some nodes, and then I change my mind and I ungroup those nodes. I've noticed blender keep adding new NodeGroup in the blender file ...
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Export object with shaders

I did this eye that I see in one tutorial, I want to export it to substance painter can someone explain in shortly what I have to do to export this into substance painter with all shaders?
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model rendering weirdly in lookdev and rendered mode

a model I made is rendering weirdly after I put it through the mixamo.com rigger. it looks fine in solid mode. as you can see, only the body mesh has the problem but in lookdev mode and rendered mode, ...
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3 votes
1 answer
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My 3D model skin turns black in Cycles

I downloaded the 3D model of a game, and everything was fine, until I tried to view the model in Cycles, and its skin turned partially black. I think it's because the texture of the skin is ...
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-1 votes
0 answers
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manga sword shader [duplicate]

I'm working on a dragonslayer for a scene and i'm wondering how can i get the same effect on the blade as in the manga So just asking if you can help me with this. ty.
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Gumdrop shader is appearing as grey

I have followed Blender Guru's process of shading the Gum drop but I don't know why it is coming out as grey. I have pasted images of the final render and the shading nodes for the gumdrop.
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Make the sides of a cube with brick texture align with the top

I am using this setup to wrap a brick texture around a cube without using UVs The problem is that the top and the side don't line up so it doesn't look like the cube is made of real bricks How can I ...
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0 votes
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26 views

How do I quickly change textures & materials on a model?

I am making a catalogue of images for a website where the model remains the same but the materials and textures are different so currently I'm changing 10 materials, rendering the images by stepping ...
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1 vote
1 answer
53 views

How to add circles at the junction points of the Voronoi lines?

As follows in the image, I would like to add circles of the points where the Voronoi lines join, as I did in my sketch. I do not understand if it is possible, I would like if it is, to understand how ...
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How do I fix my bump map being messed up from certain angles?

For some context, I'm trying to turn my profile picture into a spinning coin GIF. I made a bump map and stuff, so it looks kind of 3d, but it seems to get messed up from certain viewing angles. Here ...
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1 vote
0 answers
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Is it possible to control particles with shader's texture?

I have this shader where gradient goes through an object and changing its color to red. I control this animation with an empty. I would like to add particles to the yellow part. Is it somehow possible ...
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4 votes
2 answers
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How can I render a model with backface culling with Cycles?

I created hologram shader and using it for the human head model. But the model has eye sockets and mouth bag, which is why I would like to use backface culling to hide them. Found some tutorials which ...
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