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.

1,069 questions with no upvoted or accepted answers
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7
votes
4answers
991 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 ...
7
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0answers
1k views

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 ...
6
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1answer
593 views

Visible gaps in mesh when using adaptive subdiv and multiple materials

No matter what I try, I can't close a visible displacement gap between materials when I'm using Adaptive Subdivision. Enabling Auto-Smooth in the normal options fixes gaps on the corners of objects ...
5
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1answer
2k views

How do I make an object look wet?

So I started a project and it mainly revolves around a manhole and a street, and it's raining, but I can't get the manhole to look wet. One thing I tried was to mix 2 noise textures (one with a low ...
4
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0answers
35 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 ...
4
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0answers
38 views

Determining if Cycles light rays provide direct illumination or self-shadow

I am looking to render Saturn and its rings. The sun illuminates the diffuse material of the rings on their sunlit side but their backlit side needs to have an emissive shader. However the rings must ...
4
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0answers
179 views

How do I colour a fluid simulation in Cycles based on velocity?

I want to assign a gradient to the water simulations I have. I want to do this by the velocity in the current voxel, so the fastest moving areas will be red and the slowest blue. How would this be ...
4
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0answers
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 ...
4
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0answers
198 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
votes
1answer
593 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 ...
4
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0answers
982 views

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 ...
4
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0answers
606 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 ...
4
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0answers
622 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.
4
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0answers
89 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
57 views

How to create a velvet fabric material

I have been looking at this painting for a while trying to recreate the red fabric material on his hat and poncho (not sure what the name is, but it looks like a poncho) from what i can tell it is ...
3
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0answers
38 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 ?
3
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0answers
54 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
votes
1answer
87 views

How do I achieve this sort of graph wireframe effect in my 3D objects? Blender 2.8

I want to achieve this cool translucent see-through effect with a graph wireframe background in my 3D objects as shown in the images below. How do I do this? I have regular low poly objects with ...
3
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0answers
41 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.
3
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0answers
44 views

Node Group separator for parameters

Is there any way to add separators to better organize node group parameters?
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
227 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
votes
0answers
448 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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0answers
107 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 ...
3
votes
1answer
348 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
527 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
417 views

Is it possible to create a lens flare in 3D scene (Cycles)? Not Compositor!

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
votes
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
55 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
760 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
336 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 ?
3
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0answers
589 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 ...
3
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1answer
1k views

transparent hair texture for the BGE

I'm trying to create polygon hair like final fantasy characters in blender for blender game engine can someone help me out in creating good quality texture with z-transparency I have already tried ...
3
votes
1answer
246 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 ...
3
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0answers
61 views

What is the significance of the value of the limit on the roughness attribute of the Oren Nayar shader?

In exploring the settings of the Oren Nayar shader in the Blender internal rendering engine, I find that there is an upper limit of 3.14 for roughness. Is this the constant Pi? Why is this the ...
3
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0answers
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?
3
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0answers
2k views

How can I make a holographic material in cycles?

I'm talking about those holographic designs you sometimes see on stickers and foil, not free floating holograms. Examples here. I also want this to change colors as real ones do when you rotate them. ...
3
votes
0answers
52 views

Color Issue when texturing a surface

Brand new blender user with no experience, trying to map a texture to a single side of a cube for an animation. I am having an issue where the black areas of the image end up looking white when ...
3
votes
0answers
2k views

Cycles: Adding / Installing a Downloaded Material made for blender internal

I just downloaded an aluminum material and saved it to my desktop. http://matrep.parastudios.de/index.php?action=view&material=655-brushed-aluminum I tried installing it by opening the object I ...
3
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0answers
235 views

Render Scenes from Sintel movie realistically

I am very new to Blender, but I downloaded the official Sintel production files. Has anyone got experience with them? I can render frames from some scenes, but they look very different from the real ...
3
votes
0answers
727 views

How to import procedural texture with nodes?

There are websites full of procedural textures and shaders which you can download, but using Append to bring in the files does not bring in a working material. Even though all the files appear in the ...
3
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0answers
283 views

How to export blender material files to Unity

I made this car with blender and I used some materials in my design. I exported car and materials. When I use in unity I can't see the materials. I try a lot of way but I didn't fix this problem. ( I ...
3
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0answers
4k views

How to make procedural wood material with knots?

Recently I saw new cycles wood shader from CG Cookie, that looks very impressive and I was wondering if it is possible somehow to mix few wave textures to achieve natural looking knots on the wood. ...
3
votes
1answer
117 views

How can I render a toon character's head to always be visible in front of his body?

Currently, I am working on a cartoon that will be modeled in 3D and rendered into 2D. The art style we want to go with isn't technically accurate within 3D space. The character has no neck and his ...
3
votes
1answer
247 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 ...
3
votes
1answer
2k views

Object are showing black in material view

I just successfully rendered this clock tutorial. However all of the objects show black in material view. I've been searching online for an hour, found a lot of similar posts but none of the answers ...
2
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0answers
14 views

How to export Blender materials for use in Element 3D

I have a model in Blender, which I have applied Blenderkit materials to. I was hoping to export this model and it's materials for use in Element 3D. I have managed to get my model into Element, but ...
2
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0answers
23 views

Weird sweep of dark and bright border on a material

Video So I made a render and made a short camera pan animation on it. The brick wall at the back shows this weird line sweep from right to left but when I check on the render as a static image the ...
2
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0answers
70 views

Volume Absorption not working

I am making a cup of coffee. I created the liquid as a mesh with transmission as 0 and applied volume absorption to the mesh in order to create that darker look, however, there is no change in the ...