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.

97
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4answers
147k views

Add different materials to different parts of a mesh?

How do you add more than one material to a mesh? I have tried adding two materials to the object, and then assigning one of the materials to a vertex-group, but I could not find a place to assign it....
53
votes
8answers
79k views

How can I remove all unused materials from a .blend file?

I'm testing different materials in the same object, and finally the file has a lot of unnecessary material, is there any command that performs the cleaning of these materials automatically? in short, ...
52
votes
2answers
19k views

Creating a Black Hole in Blender

I recently saw the film Interstellar and it was fantastic! The effects blew me away and it got me in the mood to try and re create the black hole, however I haven't been able to find any information ...
43
votes
3answers
12k views

How do I create repeating patterns with cycles' procedural textures

Most people's question in this area is how to reduce repeating patterns, however I want to create them. I'm creating 2d rendered tiles for my game, and I want to create procedural materials for my ...
42
votes
2answers
14k views

How do I convert materials from Blender Internal to Cycles?

I know this may be a tough or confusing question, but I have numerous existing materials I created and reuse for a project, which were all prepared for Blender Internal. Now, I want to start the ...
38
votes
7answers
71k views

How can I create a water material in Cycles?

I'm creating a scene with large amounts of water that will be readily visible, containing refraction and at various angles. The scene is an indoor long-course swimming pool, about 50 meters, all of ...
38
votes
2answers
37k views

How to create a mirror shader?

I would like to know how to create a physically correct mirror material in cycles. How can that be achieved as realistic as possible? From Wikipedia: Mirrors are manufactured by applying a ...
38
votes
8answers
103k views

Any good free materials libraries online?

I'm wondering if there's any addons or online libraries of materials I can download. I've found one called online_mat_lib, but then discovered it was from 2008 and ...
36
votes
3answers
11k views

Cause of black artifacts in render?

I was following this tutorial on creating a watch and noticed that when I rendered the watch, some pieces were messed up. I'm new to 3D modeling and I've just learned Blender, I can't explain it well,...
35
votes
3answers
12k views

Iridescence In Cycles?

Is it possible to create an iridescence shader in Cycles? Specifically for something like DVDs, soap bubbles, engine oil, etc.. I know about this technique for a DVD material, but it doesn't properly ...
32
votes
2answers
17k views

How can I create a convincing sea material in Cycles without using the ocean modifier?

I'm trying to render a sea scene animation, but using the ocean modifier and huge subdivisions isn't feasible due to the large scale. Luckily it's a calm sea and seen from quite a distance, but there ...
30
votes
6answers
24k views

How to blur a texture node in cycles material?

For a Cycles material I need to blur a texture. If the texture where a Texture Image node, I can blur the image before adding it but in my case I need to blur a Voronoi Texture and so I can't do it. ...
29
votes
3answers
15k views

Control Cycles material nodes and material properties in Python

How can I define the different properties of an Cycles material? Such things as glossy, glass, diffuse, RGB-color, emissive via Python scripting?
29
votes
3answers
38k views

Make a gold reflective object

Brand new to blender, and I'm trying to make a metallic object that is reflective. There are lots of tutorials on youtube, however none of them are compatible with blender 2.71 with the cycles render....
29
votes
2answers
29k views

Is there really a way to make a true toon shader material in Cycles?

Is there a way to make a true toon shader material in Cycles? Here's, in order of importance, what would be ideal to find in such a shader: Must use Cycles Must be an actual shader Must not rely on ...
28
votes
4answers
8k views

How do I create a reflective white material?

I'm pretty new to this and this is my first question here, any help would be greatly appreciated. So basically what I want to achieve is a floor material as seen in this photo... ...the reflections ...
27
votes
1answer
6k views

How do I emit light from inside a object?

I need to know how to make the buttons in my blender project look the same as in this photo. Mine all look pale, even with the emission material. Is there anyway I can get my buttons like this?
27
votes
3answers
20k views

How can I make a material only apply to a side of a plane?

How could a one-sided material be achieved with the Cycles renderer? I would like to create a plane that is completely transparent from one side, and a mirror from the other side. It would be cool ...
27
votes
3answers
8k views

What is the difference between the displace socket and a bump map?

Aside from the fact that you can control the bump mapping per shader with a bump node, are there any differences between these materials? As far as I can tell, they are the same. Is the displacement ...
26
votes
3answers
10k views

Cycles: Shadeless “Shadow-catcher” Material for Rendering onto Footage

I am superimposing CGI over video footage, and have run into a problem in making materials for objects that act as 'shadow catchers'. Essentially I want a shader that is shadeless—like an emitter—but ...
25
votes
3answers
6k views

What is Dot Product?

I am doing this Blenderguru tutorial on Making Fire and at some point he is adding the Vector Math node Dot Product to his material. And he says that he does not understand what he is doing but this ...
25
votes
1answer
2k views

How to make a “reflective tape” material in cycles?

How can I make a cycles material that gets very bright when a light is shown on it, yet still has normal colors? I'm talking about the "Retroreflective sheeting" that can be seen on road signs, the ...
25
votes
2answers
1k views

How to understand the math behind Andrew Price's embedding his beer within his glass

I just watched the Blender Guru video How to Make a Beer in Blender and stopped at the point where it advises us to make the liquid slightly larger in diameter than the inner diameter of the glass - ...
23
votes
3answers
54k views

Copy material to another object?

I saw a video where the person copied a material from one object to another (Cycles). How can I accomplish this?
23
votes
2answers
16k views

How to Construct a Diamond or Other Gemstone Material in Cycles

What would be the material or shaders node set up for a smooth gem in blender cycles engine? I want a result similar to this image:
23
votes
2answers
10k views

Difference between Add Shader and Mix Shader?

What's the difference between Add Shader and Mix Shader nodes with the Cycles rendering engine? I know that Mix Shader gives you more control over the material ratio, of course, but are there any ...
23
votes
1answer
4k views

Possible to control a Driver from a Group Node input slider?

Sometimes I create Material Groups to be used as appendable reusable assets. Unfortunately sometimes parameters I want to control using a Group Node's slider are not available for routing to a Group ...
22
votes
1answer
28k views

Planet texture generator

What cross-platform (or cross-browser) resources are available to help make texture maps for generating beautiful planetary images using Blender (Cycles)? Ideally, these would include: Terrain maps (...
21
votes
3answers
6k 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, ...
20
votes
2answers
10k views

How to change hair color along length of strand?

At some point (not right away), I'll be wanting to make a character model which has multicolor hair. Namely, it will be one color closer to the roots, and another color closer to the tips. Is there ...
20
votes
1answer
3k views

How to create a procedural chevron like texture/material?

I'm playing around with nodes within cycles and I'd love to create a chevron like texture like the image below. Anyone an idea how to accomplish this?
20
votes
3answers
17k views

fluid in a glass

I am at beginner level. One of the projects I am doing is to create a glass with fluid. Like a glass of water or a glass of wine. Now I can find quite some tutorials on how to create the glass, but ...
19
votes
3answers
6k views

How to build a Shader for Anodized Aluminium

I have modelled this smart phone based on Iphone 6 reference images. The rendered image of the back of the phone looks like this: If I look at real life images of this "Iphone 6 Space Gray" I feel ...
19
votes
4answers
6k views

How do I get a glowing line via textures or materials?

I've built objects that use the Halo material but it has a vertex glow. How would I make a whole line glow without dividing my surface into an absurdly large number of vertices?
19
votes
1answer
5k views

How to render a mesh transparent with a color on its edges only, with nodes?

I would like to have my object transparent, with a color only on the edges, would someone know how to do this? I am starting with the nodes, if anyone can help with some guidelines I would really ...
19
votes
6answers
23k views

Why does a plane with an image texture show as black in Cycles?

I created a plane and added a Diffuse Material with an image as the texture, and a single lamp above it, using all default settings otherwise. Strangely, the plane appears as black in Cycles. I can't ...
19
votes
3answers
1k views

Cycles Materials Math node with more than two inputs

Are there any mods that allow Math nodes to accept more than just two inputs? I regularly find myself wanting to, say, get the Maximum value from multiple inputs and end up having to chain multiple ...
19
votes
1answer
42k views

How to add bump to shader?

I have a simple diffuse shader. I would like to add some bump to it. How can I do this in Cycles? Where do I plug in my checkered texture.
19
votes
3answers
727 views

Which is faster: A math node tree or an OSL shader?

In terms of render times for Cycles materials, which is faster? A material node tree containing many (~20-50) math nodes or a single OSL shader script node performing the same calculation.
18
votes
5answers
8k views

How to know which object is using a material

How to know which object is using a material. I know that a material is used 4 time -> picture under: I'm searching a solution with python and I'm blocked here : ...
18
votes
2answers
17k views

How do I colour a 3D terrain based on its height?

How do I colour a 3D terrain based on the height? Say, bottom green, and gradually to brown in the middle and white at the top. When I use colour ramp node, I can see gradient colour across the 3d ...
18
votes
3answers
22k views

Rendering with wireframe

I'm making figures to illustrate some details about how meshes work. I'd like to render my scene normally, but overlay all of my meshes in wire mode. The only solution I've found which works is ...
18
votes
3answers
5k views

Is it possible to render vertices in Blender?

Is it possible to render vertices with materials applied on them? I subdivided a mesh, and deleted all the faces so only the vertices were left. I could theoretically apply cool effects on them (I ...
18
votes
3answers
7k views

How can I convert a node made material into an image texture?

I have a sphere having a planet material MADE WITH NODES, and I want to convert this material into an image texture; because this material is made with nodes and only works in Blender, but I want to ...
18
votes
3answers
755 views

What's the point of mixing the same shader types?

Many time I've seen some material using mixing of two same nodes like this: Is there any difference from using this?
18
votes
1answer
26k views

How can I make a more realistic glass shader? [duplicate]

Here's a sample scene: A room with a window, a point light to project light into the room, an HDR environment outside the room and a nice Image by Rembrandt that should be somewhat reflected on the ...
17
votes
4answers
25k views

Rendering smoke in Cycles?

I am trying to render smoke in cycles, but the relevant blender manual page is designed for Bender Internal. I have everything set up except for the material. I imagine you would set up the material ...
17
votes
2answers
22k views

Using a Normal map together with a Bump map

I've been stressing these days searching for a video on using a Normal map with a Bump map, but I haven't found something good. Some suggest connecting the Bump input into the Displacement output and ...
17
votes
3answers
3k views

Low Poly Water Effect

How would I achieve this low poly water effect using cycles? But the closest I've gotten would be this:
17
votes
1answer
7k views

How to make dirty looking object?

I want to make an object look dusty and have some scruff on it (like the image directly below), but I am unsure of how to go about this. Notice the dust and smudges on it, that's what I am trying to ...