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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.

24
votes
1answer
5k 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 ...
15
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2answers
17k 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 ...
21
votes
3answers
18k 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 ...
27
votes
4answers
34k 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 ...
18
votes
1answer
8k 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 ...
23
votes
2answers
26k 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 ...
11
votes
3answers
22k 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!
64
votes
3answers
46k 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 ...
30
votes
3answers
23k 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?:
5
votes
1answer
2k 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 ...
5
votes
2answers
4k 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 ...
9
votes
3answers
16k 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 ...
19
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2answers
90k views

How to properly unwrap my mesh?

Is there a way to automatically unwrap my character? If not, is there a tutorial or something?
13
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2answers
4k 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 ...
13
votes
1answer
12k 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 ...
25
votes
1answer
41k 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. ...
23
votes
2answers
84k 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?
6
votes
1answer
784 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 ...
18
votes
3answers
13k 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 ...
11
votes
2answers
24k 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 ...
5
votes
3answers
10k 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 ...
2
votes
1answer
8k 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 ...
3
votes
3answers
554 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 ...
8
votes
1answer
7k 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 ...
3
votes
3answers
5k 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?
10
votes
1answer
27k 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
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 ...
8
votes
1answer
5k 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 ...
11
votes
2answers
29k 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 ...
20
votes
2answers
25k views

Separate selected UV map vertices from surrounding vertices

How do I break the selected UV map from its surrounding vertices?
8
votes
1answer
15k 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. (...
4
votes
1answer
668 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 ...
6
votes
1answer
1k 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 ...
6
votes
1answer
3k 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 ...
2
votes
1answer
886 views

UV Unwrapping a Modified Model

I modified an existing model by removing unwanted vertices, then selecting surrounding vertices and creating faces one triangle at a time (By pressing 'F'). On UV unwrapping the mesh, the faces which ...
1
vote
3answers
299 views

Adding textures to more than one object

Is it possible to add a texture to more than one object at a time?
16
votes
3answers
33k 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 ...
9
votes
3answers
2k views

UV coordinates on a deformed plane

I added a plane to a scene, subdivided it, and deformed it with proportional editing: I'd like to UV unwrap this plane, making the mapping what the would have been without the edit mode deformations. ...
12
votes
2answers
40k 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 ...
11
votes
2answers
16k 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 ...
3
votes
1answer
1k views

Normal map when painting in blender

I am painting a model using the texture paint tool. I am painting the diffuse of a moss texture onto a building I created. I also have a normal map that goes with the moss texture. Is there a way ...
8
votes
2answers
2k views

Using a mapping node to disable tiling is streaching texture?

I'm having a bit of an issue getting started with UV mapping in Cycles. It works fine initially, but when I add the mapping node and set min/max to the default values to turn off repeating, I get the ...
6
votes
2answers
1k views

Why does Blender warp UV pelt when unwrapping tight geometry?

Often when I am modeling something I need to add some very fine detail to certain areas of the mesh so I add some very tight loop cuts in that area. However when I go to unwrap it, even if it is very ...
2
votes
2answers
1k views

Why does one face appears so warped when UV unwraping?

Does anyone have any ideas why this face is always so warped in the UV map? Even if I run a seam on every edge, it appears warped on the UV map. The opposite face of the same shape shows fine. ...
6
votes
1answer
1k views

How to unwrap a circular track

For my banked road I sort of managed to make it look like it is a racing track. I am really stuck with the pink part that is completely flat. I have a road texture and want to apply it to that, so ...
5
votes
1answer
235 views

Is there a way of easily identifying which mesh face a UV face corresponds to?

Is there any simple way of telling which UV face corresponds to which 3D model face? I created a room (in V 2.71) with a doorway and a window out of a hollowed cube and generated a UV mapping for it ...
2
votes
1answer
683 views

Using Alpha Textures doesn't work properly [duplicate]

I'm trying to mix to shaders with the use of an alpha texture. I UV unwrapped the cube and adjusted the mapping but it still doesn't work. On the top of the cube there should be a P with the Glossy ...
1
vote
1answer
420 views

How can I assign an image texture on a Circle?

I was recently working on a project of modelling the "Solar System",every thing was alright,but when it was time for Saturn I couldn't assign the ring texture on the model (Circle - rings of Saturn). ...
0
votes
1answer
177 views

Texture appears differently across surfaces of a complex object?

I am currently using a UV Map node and a Mapping node to control the texture over a complex object. Weirdly, the texture ...
9
votes
2answers
7k views

Exporting UV coordinates

I'm having massive trouble exporting UV coordinates from Blender. I'm using the following code: ...