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Questions tagged [uv]

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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.

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73
votes
4answers
54k 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 ...
32
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1answer
54k 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. ...
32
votes
3answers
28k 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?:
31
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4answers
40k 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 ...
30
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2answers
102k 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?
24
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2answers
33k 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 ...
24
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1answer
8k views

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 ...
23
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3answers
1k views

Zoom window magnification

What is the best method to get a magnification effect within an image. More specifically, I am interested in getting a portion of the image zoomed in, with a boundary and the zoom lines annotated, ...
22
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3answers
21k 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 ...
22
votes
1answer
11k 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 ...
21
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2answers
32k views

Separate selected UV map vertices from surrounding vertices

How do I break the selected UV map from its surrounding vertices?
20
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2answers
14k 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 ...
19
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2answers
115k views

How to properly unwrap my mesh?

Is there a way to automatically unwrap my character? If not, is there a tutorial or something?
18
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2answers
22k 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 ...
17
votes
3answers
39k views

How to unwrap multiple objects?

I've built my first 3D model using 2.71. It consists of several meshes including cylinders a cube and a plane and I've animated one of the parts. I'm ready to use the UV/Image Editor to export a ...
16
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4answers
51k views

How can I delete a UV unwrapping to start again?

I unwrapped everything automatically and it endend up being really bad for painting. How can I delete the unwrapping and start again?
15
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2answers
54k views

How to scale a UV Image Texture?

I have a tiling texture that I prepared for use as a bump map. The problem is that it's too big! I want the texture to display on the model at about 1/8th of the present size, but I can't figure out ...
15
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2answers
993 views

How could I create a 3 Dimensional scribble or doodle?

I am trying to create a scribble drawing but make it spherical as if the pencil or pen lines are twisted within. I have tried to extrude planes and uv map a texture to those planes and unfortunately I ...
15
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1answer
30k views

Need some help baking, “No active image found in material”

I followed the guide here: How do I bake a texture using Cycles bake I unwrapped my UV, created a new image, created an Image Texture node and selected my new image with that, and hit bake. I then ...
14
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2answers
35k 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 ...
14
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1answer
4k 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 ...
14
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2answers
6k 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 ...
14
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1answer
7k views

Show unselected vertices in UV/Image editor?

Is there a way to show all vertices (even if they're unselected in the 3D view) in the UV editor?
14
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2answers
59k 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 ...
13
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2answers
17k views

Can I paint a texture within the UV viewport?

Is there a way to draw something within the UV viewport and not the 3d viewport?
13
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1answer
12k views

Move loopcut without distorting UV map [duplicate]

I have a brick wall that I am trying to add a door to. I have already UV mapped it, so when I move the loop cut to the right height, it distorts my UV map. How can I avoid having to unwrap it again?
13
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1answer
16k 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 ...
13
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2answers
2k views

Is there some way to map different image textures to instances of linked duplicates?

My understanding is that linked duplicates share an object's material properties and mesh data, but not its object transform properties. In a scene I am working on, I very much like the efficiency of ...
12
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4answers
33k 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!
12
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3answers
2k views

How to get mirrored tiling in Cycles?

I'm trying to make a texture tiling mirrored as you can do in Internal. It seems that it's not so easy in Cycles. I want this: Note that besides the A1 square you can see the same square mirrored, as ...
12
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2answers
32k 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 ...
12
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3answers
19k 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 ...
12
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2answers
2k views

Cycles Gradient Texture node: Why “Linear” is not linear on a “default” plane?

I want to render a plane with a linear gradient texture that can be rotated as needed. I've set up a basic working node network as shown: I can rotate the gradient using the Mapping Node - > Texture ...
12
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2answers
21k views

Combining UV maps

Is there a way of combining two or more small UV maps into one larger map? I seem to recall that there was a function in 2.4x that did this (I think it was called consolidate UV's or similar) Making ...
12
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1answer
4k views

Is there a way to convert procedural textures to UV maps without rendering a final image first?

I've often wanted to use procedural textures for UVs, but it seems that there is no simple way to do this from within the application. Is there some standard way to achieve this without first ...
12
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3answers
1k views

Why do similar UV islands rotate differently when unwrapped?

I have a simple model that is symmetrical on the Y axis. When I unwrap it, with the entire model selected the two identical sides do not share the same rotation: If I de-select the middle UV island (...
11
votes
1answer
26k views

How to tile textures in cycles?

Before I begin, I would like to mention that I just recently got into the nodes system and the answer may very well be glaringly obvious to you Blender veterans out there, so if you take the time to ...
11
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2answers
2k views

How can I create a staggered, repeating procedural pattern?

I read "How do I create repeating patterns in cycles with procedural textures?" here on Blender Stack Exchange, and "staggered texture mapping" on Greg Zaal's website. I thought it seemed possible to ...
11
votes
3answers
12k views

Full UV wrapping on a mirrored Mesh

I have an object with a mirror modifier in X and Y direction. Is it possible to unwrap all the 4 quadrants as a big single UV map and then have this UV map to apply to the object as it was a single ...
11
votes
2answers
17k views

Clear UV seams not clearing seams

I want to clear UV seams on a object and remake them myself, but neither UV Mapping > Clear Seams nor UV Mapping > Reset Seems to work. Please see attachment images. This is my mesh before i do UV ...
11
votes
2answers
19k views

Is there a way to create a Color ID map in Blender?

All of the most powerful texturing applications require a color ID map (Substance Designer, Substance Painter, Quixel DDO). I've been using a Maya plugin called Nightshade Blockout to export color ...
11
votes
1answer
2k views

Infinite Tunnel Droste effect

I've been looking at videos that create what is called Droste Effect where an image contains smaller version of the same image and they spiral ifinitely into each other. like Escher's Print Gallery ...
11
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2answers
2k views

How to map a texture to a distorted quad?

First, a picture to show my question: As you can see in the second picture, when I scale two vertices of a quad the texture gets distorted wrong. Because a quad is basically two triangles, when I ...
11
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1answer
4k views

When to use Conformal vs Angle Based when UV unwrapping?

When should you use the conformal method verses the defualt angle based method when UV unwrapping? What difference do they make?
10
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4answers
16k 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 ...
10
votes
2answers
34k views

Adding UV Mapping to Mesh

I am trying to apply an image to a wavy mesh I created in Blender. I am not sure how to do this. I don't think I have any seams because its one panel so I tried just unwrapping which didn't work. Then ...
10
votes
2answers
2k views

Remove selection overlays when Editing UVs?

How can I view my meshes UV's in Edit Mode without a selection overlay? I want to be able to view my object with its texture map (and edit it) without having highlighted vertices/edges/faces obscuring ...
10
votes
1answer
35k 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?
10
votes
2answers
9k views

How to add a UV Map to a Mesh Using Python

I've made a script that creates a mesh in Blender using a binary file containing mesh data. That works fine, but now I need to get textures on the mesh and I want to create a UV map from the UV data ...
10
votes
3answers
7k 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 ...

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