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34 votes
3 answers
12k 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 ...
gandalf3's user avatar
  • 158k
32 votes
3 answers
23k 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 ...
user avatar
31 votes
4 answers
14k 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, ...
Hexbob6's user avatar
  • 2,038
30 votes
1 answer
10k 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?
Borat Sagdiyev's user avatar
30 votes
2 answers
16k 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 ...
Gwen's user avatar
  • 11.6k
30 votes
3 answers
31k 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 ...
Jollywatt's user avatar
  • 415
28 votes
2 answers
40k views

Add a transparent image on top of a material [duplicate]

I'm designing this animal-type creature, and want to add a transparent .png image to its face with the face features (object has a subsurf). On the left is the image with the features, on the right is ...
MicroMachine's user avatar
  • 4,713
27 votes
1 answer
7k 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?
MishaHahaha's user avatar
26 votes
3 answers
18k 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 ...
Zauberin Stardreamer's user avatar
26 votes
1 answer
57k 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 ...
user avatar
26 votes
2 answers
2k 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 - ...
uhoh's user avatar
  • 2,667
25 votes
3 answers
43k 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 ...
ikel's user avatar
  • 1,253
25 votes
3 answers
34k 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 ...
user avatar
23 votes
1 answer
38k views

How to create clear plastic? (Cycles)

I am trying to make a clear plastic material. Here is what I have. I am looking for something more like this. (but darker) Everything I try looks more like glass than plastic. I have tried ...
icYou520's user avatar
  • 5,489
23 votes
3 answers
5k 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 ...
Rich Sedman's user avatar
  • 44.9k

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