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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1answer
43k views

how to fix “object has no uniform scale”? [duplicate]

I try to unwrap uv on first ever 3d model i made in blender which is Baymax., then that message shows up in upper right corner of screen. The uv map looks so grotesque. I already tried remove double ...
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2answers
48k 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 ...
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2answers
22k views

Preserve UVs when modifying topology

First question here. I came from a 3DSMax background, since then I've succeeded to find pretty much everything I needed to make the switch from 3DSMax to Blender, except for this : there a very useful ...
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4answers
21k 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 ...
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2answers
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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 ...
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3answers
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Why normal map baking break at UV seams?

I wonder why my normal map baking (from high to low mesh) got incorrect result like this: blend file is here. Thanks anyone that can explain or help to solve it.
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2answers
8k views

Exporting UV coordinates

I'm having massive trouble exporting UV coordinates from Blender. I'm using the following code: ...
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3answers
8k 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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1answer
659 views

Anton Balazh Ocean Material

Anton Balazh has an amazing relief map with the best ocean material I have ever seen. This link has several examples: http://unofficialnetworks.com/2014/06/detailed-relief-maps-show-worlds-mountain-...
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1answer
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What is the technical difference between conformal and angle-based unwrapping?

When unwrapping an object, there are two options for the Method to use: Conformal, and Angle Based. What is the technical difference between these two methods? I usually leave it at Angle Based, but ...
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4answers
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Is it possible to animate textures?

How can I animate a texture? I don't want to animate an object with a texture on it, but instead, animate the texture itself and have the UV move. If the UV moves, the texture will change live. This ...
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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. ...
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2answers
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How to use color ramp with torus

I have a torus and I need the material to use a color ramp so that all the surface has one color (red) except for a strip along the longest edge (yellow). Something like this: I tried unrap in every ...
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3answers
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Workflow for UV orientation

How to I deal with unwrapped UVs orientation? Delete the default Cube. Add a Cylinder Edit mode and edge select the Top and the Bottom and a single connecting edge. Make them into seams UV Unwrap (...
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1answer
10k views

Blender 2.8 Bake multiple textures into one

(This is in Blender 2.8) I have an object using 3 materials/UVs and would like to map them into one image so I can easily use image in Unity. Anytime I try to follow a tutorial, they say to make a new ...
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1answer
14k views

Arrange UV maps of multiple objects without joining them

I am trying to arrange multiple pieces of an outfit to fit onto the same texture. Some of these outfit pieces are already unwrapped before being imported to Blender, and so cannot be re-unwrapped as ...
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1answer
3k views

How to bake “full render” in blender

My objective is to make models for android so I want to bake textures on low poly (plane) in case of a high poly floppy disk. I want the textures to appear on both sides of the plane. I tried "Full ...
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1answer
4k views

What is the fastest way to merge similar uv islands

I've just started uv unwrapping a simple object in Blender and am trying to get more useable texture resolution by using the same uvs for multiple similar uv islands (in this case, the mesh is simple, ...
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3answers
2k views

How to pack uv without breaking stacks of islands?

I've done uv-mapping and tried to pack islands manually, but failed to fill the whole texture space. But if I try packing this with blender auto-packing, it breakes stacks and I receive trashed uv-...
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6answers
2k 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 ...
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3answers
15k views

What is the best way to scale UVs to fit an image?

I was just wondering as it's something I often find myself doing, but is there a automated way to scale selected UVs to fit to the edges of the image boundary in the UV editor? Currently I have a ...
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2answers
27k views

How to select a UV island?

How do you select an entire UV island on a mesh by selecting a piece of the desired island? Similar to the Ctrl+L for selecting all connecting geometry, only selecting all geometry within seams. I.E....
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2answers
10k 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 ...
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3answers
22k views

How to fill the selected UV island with colour when texture painting?

I am trying to color parts of the UV map below with the paint function. My problem is that I don't know how to select the square in the UVeditor so to be able to fill it simply with the desired color ...
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2answers
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How to create a 3D presentations using Blender? [closed]

I've made a 3D reconstruction of a church where I've worked and I would like to use this to illustrate my work (technical analysis on mural painting). I've some data to show regarding the building and ...
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3answers
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Stencil Stamp not showing up

I am trying to use texture stencil, but sometimes the stencil stamp of texture that I want to paint doesn't appear, and I can not find it. Perhaps the position of stencil stamp is elsewhere. How can I ...
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2answers
3k views

How do UV texture seams work?

My maps does not look like what I expect them to. I don't understand how Blender knows what part of the mesh should have it's own separate map in the UV editor and which should be a part of another ...
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3answers
5k views

Can I map a vector image on a mesh?

I often run into a situation where I create Image Maps in Illustrator, export them as PNG, and when I apply them into my mesh and zoom in, pixelation from the PNG appears. This annoys me a lot in 3D ...
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1answer
4k views

How to rename UVs of all the objects?

I am working with multiple objects that have different UV names, I would like to know if there is a quick solution for renaming UVs of all the objects to UVMap
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1answer
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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. (...
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2answers
3k views

Exporting tiled texture?

I have plane in blender. On that plane I have single texture (512x512) that repeats itself and makes my "floor". What I would like to do is export somehow new image for further editing. That image ...
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1answer
1k views

How can I unwrap each face separately so it takes up the whole picture?

I want to unwrap each face of my model so that it takes up the whole picture, instead of this: I want all of them to look like this: I don't want to do it manually. Can anyone help?
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2answers
18k views

What is the difference between Unwrap and Smart uv project?

I'm trying to baking my high poly onto my low poly mesh. Should i use Unwrap or Smart uv project? What's the difference between them??
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1answer
8k 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 ...
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1answer
5k views

Why is “UVs” menu not visible?

I'm following this CG Cookie tutorial. I have a tree mesh, and loaded the image. But there is no "UVs" menu, where I could find the "unwrap" function. There is only ...
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1answer
8k 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 ...
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1answer
2k views

Adding Labels, Angles, Domains on Objects for Making Math Models

I am very new to Blender. I have been looking for a program to create a model for visualizing different math concepts. Blender looks promising as it provides the possibility for not only this, but ...
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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 ...
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4answers
2k views

Image texture intensity on deformed mesh

I'm rendering image textures on deformed meshes like in this question: The parts of the rectangular image that are compressed into the small faces look the same as the do in the flat image, except ...
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1answer
7k 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 ...
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2answers
985 views

Cycles Object vector as UV map

Is there any way to bake the Object vector that you get from the Cycles texture coordinate node to UVs so that it can be used for image textures? This would be for Dynamic Paint, or just a quicker or ...
8
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1answer
5k views

UV coordinates to XYZ coordinates

As the title indicates, I'd like, from given UV coordinates, to find their corresponding XYZ coordinates. I wanted to use the following function (see bellow), to know the UV index (and therefore the ...
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1answer
1k views

How to find the pixels of a texture for a certain face

I'm making a script that determines the color of a face, based on the texture. I have an object that is UV unwrapped and has a texture assigned. What I would like to do is find the pixels that are in ...
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3answers
2k views

How can I unwrap an object with minimum distortion in the UVs?

And by "good" I mean with minimum distortion, keeping the original shapes for the most part, etc So far, after doing the seams, I've been doing with the best choice I can find from the various ...
8
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1answer
583 views

More than 32 colours for gradients in Cycles?

I'm trying to use UVW generated mapping of a lot of splines and each spline has a lot of points. I want to add gradients of colors to the meshes and I hit a limit in Cycles ColorRamp. I can't add more ...
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1answer
22k views

Is there a way to flip a UV without flipping the normals?

I have a UV unwrapped object that I want one part of to show its texture flipped horizontally, but I can't seem to find a way to do this other than flipping the normals, but I'd prefer not to do that ...
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3answers
18k views

How to make a square grid for UV maps

Since the shape is organic and not a pure cylinder every method I attempt when trying to make a UV map of a sleeve of a T-shirt I cannot get a square grid in the UV editor. This is the closest I got ...
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1answer
9k views

Unwrap with Margins - Space out Islands

I'm unwrapping a deformed cube, so I've set all edges to be seams. When I unwrap, I get 6 polygons as expected, but I'd like there to be a gap between them on the UV map. Currently, they are all ...
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3answers
8k views

Texture scaling to real world measurements?

Is there a method to scale a texture in relation to the measurements of the model? For example, consider an architectural model with a concrete paving. Its image texture is a "real world" photo ...
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2answers
11k 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 ...

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