Questions tagged [materials]

Questions pertaining to creating materials for Blender Internal and Cycles. Materials are used to define the way an object will interact with light for rendering.

1,494 questions with no upvoted or accepted answers
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ignore self-shadows for a cel shaded effect?

So For this project i'm trying to achieve somewhat of a cel-shaded look. Cel Shading is an attempt to make 3D Art look 2D, But The Main problem I've found with Cel Shading effects is the shadows are &...
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Does a model exporter embedding materials as GLSL scripts exist?

as described in Blender Shader in OpenGL/GLSL, it is possible to export the (unoptimized) GLSL code generated by Blender for a given material. Since the viewport can use such GLSL for real-time ...
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Seamless Procedural Texture in Polar Coordinates

I've written a Cycles node tree to convert rectangular (X,Y) to polar coordinates (R,theta) as the basis for a procedural texture with radial symmetry. However, there is a seam in the texture where ...
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¿Is it possible to pass a [color ramp] to a node group?

Are there any addons or other features in Blender that allow the Blender User to write nodes that pass in color ramps and reuse them in a group node? If the answer is yes, then what are the steps? ...
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51 views

How can I speed up assigning materials to specific faces (for low poly style)?

I am playing with a low-poly/color-ramp style that is somewhat similar to pixel art in the sense that I want to paint individual quad faces sharply with different materials picked from a list (quite ...
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71 views

is there any way to get to velocity of a fluid and use it in the cycle material editor

I'm trying to use flip fluids to make lava is there any way to use the motion blur vectors, or get the velocity to mix a material. or in the script editor is there anyway to drive that.
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2k views

nVidia skin shader with the Principled BSDF

I've been using a skin shader primarily based on the Brecht skin shader, which is itself based on the Sum-of-Gaussians approach as seen in 14.4.7 from GPU Gems by nVidia. Its Cycles adaptation, which ...
5
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2answers
340 views

Why does this add shader create so much noise?

This question is based on the shader in this answer. When I render the scene using plain glass for the material ball, it takes about 500 samples to converge. Here is the node setup and the result at ...
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57 views

Possible to give a shadow a different material?

Hello. Let say that in a this image, i'd like all shadows to be rendered as an red emissive material, is this possible in render ? procedurally, witouth any modifiers, just by the shader editor ?
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95 views

Node Group separator for parameters

Is there any way to add separators to better organize node group parameters?
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171 views

How to control materials falloff type from perpendicular/parallel to fresnel using nodes?

I used to create falloff maps in 3dsmax quickly and easy. Now I would like to be able to do the same thing in blender. Currently I am using Toggle diffuse ramp operation in blender, but it only ...
4
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239 views

Shader that forgives self-intersection?

I've created a displacement map which is based on the height of the mesh. The problem is that by the nature of this organic texture there is some self-intersecting geometry. I don't believe this can ...
4
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1answer
930 views

How can I effectively import and texture a large height mapped terrain mesh?

I am looking for advice on how to handle a large terrain mesh that I am importing from an existing file format through a custom add-on I am writing. Currently, I import heights from a height map file ...
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725 views

How can I render a proper normal pass for smoke in cycles

I would like to render a normal pass for smoke in Cycles like this one: I'm aware of this method mentioned in Blenderartists but the result is far from the result needed to relight in post (via ...
4
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0answers
643 views

Copy node tree from one material to another in cycles using python

I have two cycles materials (say source and target). I want to copy the Shader Nodetree from the source material to the target material after clearing any currently present node tree(s) in the target ...
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3k views

Make object not receive cast shadows

I know you can make an object not cast shadows on others by disabling Shadow in Ray Visibility. But how can you make an object not receive shadows cast by other objects?
4
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1answer
349 views

Is possible to generate a preview material from python?

I would like to generate the preview of a list of materials. I could create a sphere and apply the material, render and save it in a loop, but what I would like is to use the internal functionality of ...
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0answers
657 views

nodes in blender game engine

I have an issue while tring to set up a material for blender game engine. You can see the setup on the image, and the BGE doesn't render my purple object that's on the View panel.
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90 views

GameEngine: KX_BlenderMaterial vs KX_PolygonMaterial

I have a question about the material types in the game-engine. e.g.: 2.66 Blender API - KX_PolyProxy(SCA_IObject) 2.66 Blender API - name ~ The material of the polygon. When is the material a ...
3
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0answers
49 views

Recreating colored glass shader from VRay/Max to Blender/Cycles

Edit: Blend file: I am converting a somewhat simple scene from 3DSMax/VRay to Blender/Cycles. I'm almost done with the conversion, but I am having trouble with matching the glass shader used in the ...
3
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0answers
46 views

Emission node with alpha blend is colorless in png

I have created the following flame material. You can see that the flame is red and emissive. Otherwise, the rest of the material is invisible, since I have "Blend Mode: Alpha Blend". ...
3
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0answers
255 views

Why does my M1 MacBook Pro render scenes differently than my 2016 MacBook Pro?

As the title suggests I'm experiencing an issue where Blender renders frames in Eevee differently from one machine to another. I have two laptops, a 2016 MacBook Pro that I generally use to create ...
3
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0answers
27 views

How to stabilize Random Per Island for Meta Objects

I have a very basic AN setup where I vector jiggle the position of meta ball instances for a lava-lamp-like motion. I wanted to change the color as soon as an individual Meta Ball disconnects from ...
3
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1answer
78 views

Importing SVG files without losing transparency data

I've been using Blender to make things like these: stylized vector illustrations made with Inkscape or Illustrator, imported as layered transparent pngs into Blender. The effect is easier to ...
3
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0answers
28 views

How to change the background colour in the Material Preview window?

If I want to change the colour of the sphere in the Material Preview Window, it's easy enough to create a Material Output node, Create a shader node, assign a colour and hook them up. The sphere ...
3
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0answers
36 views

Cycles - How to transfer information from a shader to another non-destructively ? (no baking)

How can we non-destructively (witouth baking anything into vertex color nor bitmap) transfer information from one shader to another within cycles ? Here's an example : Here is a simple proximity ...
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0answers
135 views

How to edit material of grease pencil stroke across all keyframes?

I'm very new to Blender and have a simple question. I have an animated Grease Pencil stroke and would like to edit its color. I don't want it to be changing colors in the animation, I just want to ...
3
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0answers
180 views

Jagged edges using a toon shader and Evee

I am trying to create a cartoon style render using evee with light reflections on the material (wich is suposed to be metal). I tried everything like subdividing, auto smooth, changing shadow ...
3
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0answers
68 views

How to properly rotating a material using node which has a normal map?

Rotating normal map via mapping node seems will flip normal map, resulting a weird looking material. But directly rotating uv map in uv editor doesn't cause any issue. So how to properly rotating a ...
3
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1answer
78 views

Everytime i load my project, the material is missing

I just started to learn blender few days ago,I follow BlenderGuru and made some donuts, but everytime i load my project, this donut bread material is missing. I did save a UVunwrapped texture and ...
3
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1answer
576 views

How to make node group of an existing material into a new group? (in python)

This is what I would like: I'm looking for an alternative to bpy.ops.node.group_make() Because it seems like a bad approach. I simply want to group a new group ...
3
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0answers
42 views

Create freestyle lines like the orange outlines of selected meshes?

I used an emission shader, and I was wonder if that the black lines (from 3rd photo is render view) could be the same as the the orange selected lines minus the origin points (2nd photo). The first ...
3
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2answers
584 views

Eevee transparent glass on transparent background?

Ok, in 2.8 eevee I have "Transparent" checked on film tab, my material settings follow all listed here https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&...
3
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3answers
5k views

Blender 2.8 - keyframes not showing?

I've just started playing around with Blender 2.80 and I'm trying to animate some lightning I did. Whenever I hit 'I' on the Brightness, whether it's at 0 or 1, no keyframe appears on the Timeline.
3
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0answers
67 views

How to externally control the look of volume material?

The effect that I want to achive looks like this: The problem I have is with that colorful cube with controllable color gradient. The cones and planes can be ingnored. I have achived similar result ...
3
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0answers
48 views

How can I make a material that looks like the 3D view?

I would like to make a material that has different shades but only employs spot colours. I want different faces to be different shades based on how much light they get, but no gradients. Like in the ...
3
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0answers
437 views

Nodegroup: Missing data block

A Cycles node group in a file of mine seems to have lost its data block somehow. The group still shows its inputs and outputs properly, but the name of it has changed to Missing Data-Block, and no ...
3
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1answer
143 views

How to apply two different materials in Blender Internal on front faces and back faces, *while involving transparency*

Basically, I want to see through the transparent front faces to the opaque back faces. This isn't the same as flipping all normals and executing backface culling because I want the front faces to be ...
3
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0answers
652 views

I want to convert my Diffuse Shaders to Principled Shaders

I just barely imported a scene from an .obj file, but all 83 materials defaulted to Diffuse Shaders of various colors. To make for a faster workflow, could I use a python script of some sort to ...
3
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1answer
574 views

How do I grab the active texture on a face in python?

So I'm pretty much done with designing a script to export meshes I (or others within my group) make in Blender for use in another piece of software (VoxelStudio). Everything has been slow going due ...
3
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0answers
639 views

How to create UV Maps for each material?

I want to create an UV Map for each of my materials and it's somehow not working. Currently I'm working on a shopping mall for Cities: Skylines. I've assigned all faces with materials, and with those ...
3
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0answers
1k views

map_Kd missing from MTL file

I am trying to add colours to a cube and export them as an OBJ file for use with a 3d printing program. When I do so, the MTL file is created, but the map_Kd file is not noted in the MTL and ...
3
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0answers
496 views

How to disable material preview icons?

Very often when i have a lot of materials in the scene and switching to materials tab, blender starts to rendering that materials to make a preview icons. This procedure taking a lot of memory and is ...
3
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0answers
536 views

Is It Possible To Create A Lens Flare In 3d Scene (Cycles)? Without Compositing?

I am trying to create a scene looking through a dirty window or Lens and I am wondering if it is possible to create Real time Lens flare with Cycles. Shining the light directly at the camera with a ...
3
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0answers
896 views

Spiral texture/material on the sphere

How to setup material with a texture on the sphere which will look like this I have draw in Paint straight line but I don't know how to bend it spirally around the sphere with material nodes. Also, ...
3
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2answers
1k views

How to get a Material property driver to update properly (2.78)?

After watching this excellent tutorial (https://vimeo.com/40389198) I thought "what ho, this is just what I was looking for, I can make random variations in mass-produced objects!" So I started trying ...
3
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0answers
57 views

Detecting misconfigured rotation and scale parameters in textured meshes

I'll preface this by stating that I'm a developer and not a 3D artist, and am still getting my feet wet with 3D modeling, Blender, etc. I have written some software that generates textured mesh models ...
3
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0answers
1k views

Assign Particle System to parts of a mesh

In the materials slot their is an "assign" button, is there anything like this for particle systems? But more specifically is there a way to assign a different material to a different part of a mesh. ...
3
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0answers
377 views

How is Subsurface Scattering calculated when doing a Cycles texture bake?

I have seen (but not sure) that for instance reflective parts on glossy materials are rendered along face normals during a bake (as there is no camera to point to). But how is it defined for SSS ?
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0answers
203 views

Time remapping incompatible with particle info node?

I'm trying to make a spark material that fades to transparent as it reaches its lifetime limit. I've succeeded, but it absolutely does not work with time remapping for some reason. Here is my problem ...

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