Questions tagged [uv]

UV mapping is the process of taking a three-dimensional mesh (X, Y and Z coordinates) and unwrapping it to a flat two-dimensional image (U and V coordinates), in order to texture the 3D model with 2D images. Use this tag for questions pertaining to UV's and UV mapping.

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How do texture coordinates work?

How exactly to texture coordinates work? I know they are represented by vectors, but how does a vector store texture mapping information? How does each type of texture coordinates work and what are ...
PGmath's user avatar
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37 votes
2 answers
58k views

Possible to bake texture to new UV map?

I have a finished model where the UV maps overlap - lots of wood that isn't detailed to be particular to the model. I'd like to re-map the texture so that specific details can be added. I'd like to ...
jzx's user avatar
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34 votes
4 answers
59k views

What is the best way to unwrap a sphere?

After reading How to get perfect UV sphere Mercator projection? It seems that there is no perfect solution for getting rid of the stretch at the poles of UV spheres. According to What is the ...
gandalf3's user avatar
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22 votes
2 answers
48k views

Why did the texture I painted in texture paint mode disappear?

I was following a tutorial on how to use the Texture Paint feature on blender so I could paint on a terrain I am modeling. I was successful to paint the whole terrain with beautiful, exuberant ...
invicente's user avatar
  • 1,035
15 votes
3 answers
40k views

How to place a .png texture with transparency over a material

I am trying to create a low poly face with a face from a .png file. The issue is I already have material placed for hair and skin, as shown in the picture below. I have created a .png file with a ...
RollRoll's user avatar
  • 1,203
6 votes
2 answers
22k views

How to Straighten Curved UVs into Straight Belt [duplicate]

Showing the actual 3D model of a curving ramp. Shows the UVs of that model that blender did automatically. Shows the UV image that I need. I am going put a road texture on it., but round faces are ...
Bilal Mirza's user avatar
34 votes
3 answers
40k views

How to get perfect UV sphere Mercator projection?

I'm trying to unwrap a UV Sphere and I can't seem to get a perfect Mercator projection. What process should I follow to get a perfect UV unwrap that looks like the black grid lines in this image?:
Keavon's user avatar
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24 votes
3 answers
28k views

How can I keep low resolution textures pixelated?

I have a problem. I am going to make a minecraft animation in blender. But when I put a minecraft texture on a 3d cube that is 16x16x16 it is very low resolution is there a way to get the texture in a ...
joapet99's user avatar
  • 343
29 votes
1 answer
18k views

What does unwrapping a model do and why is it important?

I am trying to learn how to make small games, and every time I watch a video it says that we need to unwrap it, but they never fully explain what unwrapping does or why we do it. Is it necessary when ...
Batman_nerd's user avatar
21 votes
3 answers
170k views

How to properly unwrap my mesh?

Is there a way to automatically unwrap my character? If not, is there a tutorial or something?
user avatar
8 votes
1 answer
35k views

How to perfectly align UV coordinates automatically?

I have this setup: The mesh is only the visible top side, with a mirror modifier for the bottom part. Now I want to unwrap it like in the picture. I want the inner circle (red) to go to the top of ...
Riki's user avatar
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17 votes
4 answers
72k views

How do I straighten UV maps?

How can I straighten ALL the vertical UV lines at once? Is there a hot keyshort cut? Or if I have to do them one by one .. is there at shortcut for that? Thank you!
Marc's user avatar
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13 votes
2 answers
18k views

Getting "experimental" true displacement to work

I have been trying to achieve a true mesh displacement on meshes for quite some time, without ever getting it to work. If I understand it correctly, this experimental feature would allow me to easily ...
MicroMachine's user avatar
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7 votes
1 answer
4k views

UV map / model turned black on saving - how to recover?

In the middle of touching up a new texture, I pressed save and suddenly my textures all turned black on the model and UV texture - just vanished. I tried reopening the file in another instance of ...
Jill's user avatar
  • 71
34 votes
2 answers
146k views

Render not showing UV texture

I have added a texture to a cube in the UV editor and it shows up fine in textured view But when I render it there is no texture What have I done wrong?
Qwertie's user avatar
  • 7,036
89 votes
6 answers
91k views

How do I completely remove an image from my .blend file?

I'm creating a model for a 3D game that will eventually be exported using a custom Python script. This model makes heavy use of UV textures. However, the project now references a bunch of images that ...
Nathan Osman's user avatar
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9 votes
1 answer
2k views

confused about "unwrap" vs "modifier unwrap"

Okay I may be asking a stupid question, but why are there multiple ways to unwrap? In many tutorials they use the U key and use one of the unwrap method from that list, except now I realize there is ...
Cody's user avatar
  • 93
39 votes
1 answer
101k views

Why doesn't my unwrapped model appear in the UV Editor?

I'm trying to unwrap a cube (I know, super complicated). I've got the seams marked, the UV editor open in a 2nd window, and all the geo highlighted. When I tell the cube to unwrap nothing happens. ...
Stinkhorse's user avatar
21 votes
2 answers
16k views

Can Cycles use multiple UV layers?

I'm trying to match Cycles to a Blender-Internal material setup and I didn't see a way for cycles to have an image reference more then one UV map. Is it possible to have a node setup with 2 image ...
ideasman42's user avatar
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14 votes
2 answers
9k views

Morph targets: A sphere shape turning into a cylindrical unwrapped sphere shape

I'd like to do an animation where a globe will unwrap it's texture. Go from this to this , but in 3D space, so it will look exactly as its unwrapped form. The only methods I have on mind are ...
thePostFuturist's user avatar
10 votes
2 answers
5k views

Curve to Mesh with UVs in Blender 3.x?

How can I use geometry nodes to turn curves into a mesh and create UVs at the same time? When I use the Curve to Mesh node with a base curve and a profile curve, no ...
quellenform's user avatar
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5 votes
4 answers
33k views

How can I make a part of a texture glow?

I need to make a part of a texture glow slightly. Like Killer Crocs eyes (see image below) How do I do this? I added a black and white texture (white for the glow. But then this happened. There ...
JustNat Bro's user avatar
5 votes
1 answer
2k views

UV mapping not filling faces

I have tried to map this simple object, but the uv mapping does not correspond to what i see in the textured object. It cuts the image a bit on top and a bit on the bottom of the faces. It does not ...
Ren's user avatar
  • 193
15 votes
1 answer
10k views

Using an RGB map to assign various shaders in a material

I am importing a RGB image into Blender and I would like to replace the colors of the image by materials (Glossy, Glass, or other complex Node setups). For example I would replace the green with an ...
MicroMachine's user avatar
  • 4,611
13 votes
2 answers
77k views

How to combine two different textures into one

After applying to a small studio and making a model of an axe with two pieces which meant separate UV maps. After submitting the model and textures, I was told that both the blade and handle of the ...
Moonless_Sky's user avatar
11 votes
2 answers
2k views

How To Do UV Indexing in hexagonal pattern?

how to do uv indexing like this procedurally? i wanna make some shader that can pixelate image but with hexagonal.
Baybaypras's user avatar
13 votes
1 answer
16k views

Get/Set coordinates for UV vertices using Python

I got this UV map, and I want to set the position coordinates for all the four vertices to x=0.5 and y=0.5 (in the center of the ...
Nils Söderman's user avatar
3 votes
3 answers
25k views

Low-res texture blurry [duplicate]

I unwrapped a simple plane and applied the following 80x80 pixel picture: Yes, it's quite small. The problem is, the result is all blurry, like so: How do I make it accurate to the pixel?
Espen Sales's user avatar
  • 1,182
3 votes
1 answer
4k views

I need to do a very simple terrain with texture map [duplicate]

I know nothing about Blender and I need to do a very simple 3D terrain with texture map. I have a 1000 x 700 height map: And I have a 1000 x 700 texture map: And I want to combine them into a 3D ...
zetar's user avatar
  • 133
13 votes
1 answer
54k views

Non-Uniform Scaling during UV unwrap. What is this?

I've got a problem while unwrapping UVs. When I'm unwrapping UVs it showing me this message. Why is this happening?
Samir's user avatar
  • 457
10 votes
3 answers
9k views

Is there a way to export an object to Unity 3D while keeping any applied textures?

I exported a .fbx file to Unity 3D, but it retained none of the applied textures. Is there a way to create a textured model in Blender and export it into Unity ...
Krazer's user avatar
  • 555
9 votes
2 answers
27k views

Baking multiple materials into one texture

If there are multiple objects with different materials that have been combined into one object, UV unwrapped together and texture baked, the result is glitchy at best. Here is my process: I start out ...
AaronF's user avatar
  • 353
8 votes
1 answer
9k views

Simple UV Mesh Unwrapping Scale issue

I'm having problems using the UV mapping in blender 2.67. Specifically, I am trying to unwrap a really simple mesh, but the UV map is still giving me a net where some of the boxes are completely out ...
user3049527's user avatar
8 votes
5 answers
5k views

How to apply Geometry Nodes with UV maps?

I am trying to scatter a textured object with Geometry Nodes. After applying Geometry Nodes, my objects lose the texture coordinates. Is there any way to get UV maps on these scattered objects?
barberik's user avatar
  • 119
8 votes
1 answer
25k views

Texture mapping with multiple UV maps

So, as a newbie relatively new to blender, I started doing some texture mapping (blender internal Render). I created a texture for the main object and a couple of transparent decals to decorate it. (...
JohnS.'s user avatar
  • 81
14 votes
4 answers
31k views

Unwrap UV map proportionally to object size

Is there any way to automatically unwrap UV map proportionally to object or "world" size? For example: I've made two cubes, one is two times bigger than other (scale is applied). Then I unwrapped ...
Yodus's user avatar
  • 193
14 votes
2 answers
48k views

What would be the easiest way to UV map a complex object?

I'm attempting to make a texture for a model i've been working on, so i've been trying to get a decent UV map, However whenever I do it usually ends up either very distorted or a lot of unrecognizable ...
user15259's user avatar
  • 185
8 votes
6 answers
8k views

Make specific color in a texture transparent

I am working with very old model files that have BMP textures. The designers did not use a transparency in the textures or a separate alpha b/w texture. They used a specific color value that was then ...
russellaugust's user avatar
3 votes
2 answers
11k views

I UV unwrapped my mesh, but the image texture doesn't show in my object [duplicate]

I just created a 3D model of a barrel and UV unwarped. That thing below is the screenshot of the UV image editor. Then I clicked new button below the UV image editors window and gave a name barrel ...
Atanu Mondal's user avatar
3 votes
2 answers
4k views

Visible seams on tangent normal maps

I'm having a small issue with visible seams on normal maps. The map was painted on Substance Painter and has no weirdness around seams. When I plug it into a Normal Map node set to Tangent Space this ...
Rhaenys's user avatar
  • 1,324
0 votes
1 answer
7k views

Blender texture painting appearing on the backside

I'm following a long tutorial on using Blender with Unity. After having modeled my character and drawn in the seams like the instructor, we move to UV unwrapping and then saving an image on which to ...
Brightfield's user avatar
8 votes
2 answers
11k views

Cycles Emit Light from area on Texture

So I have a giant object that is completely uv unwrapped. I would like to make areas of the object with a specific area of texture emit light. The problem is that this object (and it is only one ...
meed96's user avatar
  • 1,979
8 votes
1 answer
8k views

Blender UV mapping error

I have an error with UV mapping where it looks fine until I actually render it or throw it into a program that renders it. I'm not sure what the issue is because I hardly ever use blender. What it ...
user avatar
6 votes
1 answer
3k views

Is there a way to convert a mesh's UV's into a second mesh using a script?

So what I've been doing to bake Cycles depth maps is based on the following thread found on the BA.org forum and I've mentioned this here already but I'd like to take this a step further using a ...
MarcClintDion's user avatar
3 votes
1 answer
8k views

What's the meaning of 0 to 1 space in UV?

I would like to know why many instructor talk about 0 to 1 space in UV mapping or related areas of UV unwrapping. Are 0 to 1 values part of a Boolean, or some programming stuff?
RG1988's user avatar
  • 615
3 votes
3 answers
1k views

How do I put a stencil-like texture across a sectioned object?

I have a rough wood board crate I want to apply (UV map) a stencil on, but only on one side of the face AND I want it to disappear in between the boards --just like the attached example image (created ...
Marc's user avatar
  • 2,127
28 votes
2 answers
57k views

Separate selected UV map vertices from surrounding vertices

How do I break the selected UV map from its surrounding vertices?
Keavon's user avatar
  • 7,983
19 votes
3 answers
139k views

Double Sided Faces

How do I make the faces I am using for the leaves of the tree I am making double sided? Currently only one side appears, while looking at them from a different angle they disappear. The only solution ...
user3620's user avatar
  • 225
12 votes
1 answer
47k views

Can I transfer an already made UV to another object?

I've got two objects that are exactly the same, but with different UVs, is there any way to transfer the UV from one to another?
beavoru's user avatar
  • 5,347
7 votes
1 answer
11k views

Unwrap model with UVs at proper size?

I have the model of house with seams on it. When I'm trying to unwrap it (U > unwrap) It unwraps wrong. Some polygons are bigger then others, and I don't know what to do. How do I unwrap it ...
Влад Подерячев's user avatar

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