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.

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What does 'Cube Size' mean when using Cube Projection UV unwrapping?

I don't understand how Cube Size is handled when doing a Cube Projection. Here is my example scene: my cube is 1m by 1m, applied rotation & scale, so its just a clean, perfect and beautiful 1m ...
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How to apply uv-mapping post-modifier?

I am trying to apply uv-mapping to an object after adding a solidify modifier to a plane. The problem that I'm having is that the mapping is applied to the plane and not the resulting solid body. (...
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969 views

Using alpha data on one material to mask a texture in another material

I am currently working with a model that has two different kinds of materials, each containing a texture and each having their own mapping, I want to be able to "hide" the eye texture behind the ...
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296 views

UV render pass non-linearity

I am writing a piece of software that needs pre-rendered UV maps for on the fly texture mapping. I tried rendering these maps in blender, but the color values in the resulting image do not change in a ...
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Make materials colors show on textured solid?

In solid mode with textured solid checked, A model will show the material color until any face on the model is "attached to an image" (have the face selected, and open an image in the UV image editor)....
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1answer
328 views

Why is my texture applying itself to unwanted objects?

I am currently working on the hair for a female character. Two other people worked on the body, and sent me the file from which to make the hair. The body is textured, but the texture file was not ...
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291 views

How to UV unwrap multiple animated objects at once

I have created a rigid body simulation, which I baked into an animation. The final animation includes several cubes close to each other on a tray, like shown below: I want to UV Unwrap all of these ...
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1answer
296 views

Simple modeling rules to get sensible UV mapping

I'm learning blender and came upon this small problem when trying to uv-unwrap the small hinge below. I'll start by telling how I made it, as it might help answer the question. I simply took a cube ...
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1answer
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Going down the wrong path for human skin?

I'm trying to find a way to apply skin texture detail to my model. I'd like to use normal mapping to represent the surface details, and thought I might use a ready made normal map of a skin surface ...
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Why are my UV coordinates distorted?

When unwrapping a seamed object, my UV coordinates come out very weird. Whereas several sections have equal area on the model, they come out distorted when projected to the UV mappings: closer view ...
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1answer
443 views

Sticky Selection Mode has no effect on random proportional editing in UV Editor

After UV mapping the default cube, I have I keep the Sticky Selection Mode setting in the UV Editor header on Shared Location ...
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1answer
226 views

Corrupted UV map on exported and re-imported object

I have a problem with an object texture I import the object as obj and it's fine with the texture. But when I export the object and import it again with another form or type it's texture gets corrupt ...
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Wrapped packaging model?

I want to make a plastic wrapped packaging as shown in the photo. its wrapped and folds on sides towards the back and overleaps. where should i start? I tried playing around with vertices in edit ...
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Straighten UV map edges? [duplicate]

Is there a way to straighten all the edges of the selected area of a UV map automatically? This means aligning every edge (set of consecutive vertices selectable by AltRMB). Currently I have to do ...
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Find the name of textures linked to an object in python?

How can I find out the name of a texture linked to an object? Is there an image operator to find this out? I searched in forums but wasn't able to find a working script, I tried this script: <...
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1answer
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What does Lightmap Pack's “Pack Quality” option do?

What does the "Pack Quality" option do in the Lightmap Pack settings box? The option's tooltip says Pre Packing before the complex boxpack.
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Why am I not getting equal squares when I unwrap?

I'm making a pillow and I have marked a seam in the center. When I unwrap with pressing U, instead of getting squares I'm getting a different result. This is the uv result: I tried smart uv Why am ...
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1answer
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Why is there a white circle when I try to move vertices?

So I wanted to scale the UV island so that the skin looks right but then it moved the other island. my question is what is that white circle and how do I get rid of it or stop it from messing with my ...
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2answers
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Cycles Material Texture not showing in render

As the titles says. With a material like this one: What I get is: In the "material" view, the texture shows up fine, mapped like I want it to be, but in the rendered view, it's rendered in an average ...
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873 views

How Can I Use a Procedural Bump Map to Replicate a Natural Pattern?

So I have tried for up to five hours to try to use the nodes to make it so that the 'veins' on the image are shown on the model with a bump map. Any insights on having the 'veins' run parallel to the ...
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shrinkwrap (“decal”) around entire object?

I just want to (shrink) wrap a plane with an image over (around) the entire object, not just one face / plane. [EDIT, after two answers] Many have said that original question is unclear. So now that ...
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why this face is always black?

I unwrapped the whole mesh, but one face is always black, I tried CtrlN and ShiftCtrlN but there is no change. in the 2d editor "View > UV Local View" isn't selected you can get the blend here : ...
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Map multiple textures to a face individually

I have two textures mapped to a uv unwrapped face but one of them is the wrong scale. If I change the uv map to make it right it throws off the other texture. Is there any way I can have multiple uv ...
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Best practice for UV mapping buildings from CAD software

I have problems with importing revit models in my work, the model is made in revit and I after I render with blender. the most important problem is that when I attempt a brick texture to the walls, ...
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296 views

Why is the resulting UV map stretched out when unwrapping my object?

So, I've been unwrapping semi-circular objects and this happens: I wanted to know if it is a configuration setting that I'm screwing up or something like that. I can edit it but it is a huge pain, ...
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How to make curved (bent) rectangle, and add material?

This question has two parts. • First – I'd like to know how to make a rectangle with a curve on it. Don't misunderstand me, I DON'T need to know how to make a rectangle with rounded curves. I want ...
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1answer
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Normal map baking - All clean blue (no color variation)

I'm trying to bake a normal map from a high poly mesh, and apply on a low poly mesh (in Unreal Engine 4). Bare with me as I'm new to Blender, and especially new to normal map baking with Blender. I'm ...
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1answer
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Texture not appearing while in object mode

I am trying to apply a texture to to my model, but it isn't working and I don't know what I am doing wrong. I UV Mapped the model and colored my texture to fit to the model. When I am in Texture ...
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2answers
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How do I bake to only selected faces?

I have a UV map where some faces overlap and some don't. The overlapping faces are overlapped on purpose. Now, I want to do an occlusion bake on the non overlapping faces, but it seems to always bake ...
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2answers
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High Poly Mesh UV Mapping

I am still in the learning stages of Mesh modeling, but I've just sculpted two well looking Mesh Sci-fi helmets and I wish to have them textured by a Friend. I tried to UV map both of them but they ...
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Can someone explain PTEX mapping and how to use it in Blender?

I started some Googling (found this) and I am confused if I can use this in Blender or not. It looks like it was supposed to be implemented in Blender but the latest info I can find is from 2015. Is ...
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1answer
413 views

Multiple sets of seams for multiple UVs?

When UV mapping and lightmapping an asset for game use, I find that I need to erase my seams after UV mapping in order to place new seams for the lightmapping. Is there anyway to preserve them, or use ...
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1answer
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How do use one channel from an image in a material?

I have an image that is split up over the RGB channels. I only want to apply the data from the blue channel. I have made a material and a texture using nodes that separates the color but when I select ...
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A mess happens when i try to unwrap my model, any idea whats causing this?

Please help i have been at this for a couple of hours, and i have no idea how to fix this.
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How to Place the Right Seams for UV Unwrapping

Where can I read how UV Maps should look and how to know where to place the seams? Here I have a very simple model I'd like you to suggest where the seams should be placed and why. I have attached a ...
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1answer
983 views

Animating facial expressions when using a Normal map

The human face is very organic and when using a normal map, things with animation get a little tricky. I’m trying to animate a blink with an eye where this wrinkles appear on the face as the eye ...
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2answers
11k views

Can you link two mesh objects and keep the UV mapping each one has?

I am trying to link two mesh objects, each one has its own UV mapping, both are using the same texture, how can I link the two objects and keep the UV mapping of both objects? It only keeps the one ...
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1answer
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how to bake texture from multiple overlayed uv Islands to individual uv islands

I wanted to ask, how you could quickly bake/transfer the texture from overlaying UV islands to individual UV islands? the "Selected to Active" option in the baking menu was activated while baking the ...
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How do I change UV coordinates while the game engine is running?

I'd like to do a map in a game that moves with the actor. What is the proper syntax to move uv coordinates around and have the game engine update the result?
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How to project UVs from one object to another?

How to project UVs form the big object to the small one to display part of the image that is behind it as shown in the snapshot below.
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Select edge ring in UV mode?

Is it possible? [Edit: apart from manually, edge by edge!] I'm going through a tutorial. The example UV I'm working on is an unwrapped strip from a ball. Selecting the strip rings (e.g. to ...
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1answer
435 views

Can a displacement texture be unwrapped independent from the image texture?

Say I have a wall with 16 equal faces. 4*4 i have unwrapped this and has an image texture. Now if I want a lot of displacement detail on just 1 face of the wall (damage) I would like it to be much ...
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2answers
3k views

Cannot replace a packed image in the uv image editor

I was trying to replace an image in my UV image editor, but the image defaults to a different image. how do I fix this?
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Fixing unclean Normal map on round shapes?

This is more of a general 3D material question than a Blender issue but there seems to be no Stack Exchange forum for more general 3D design questions so I'm posting this here. I'm trying to bake a ...
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Texture view works, but render is without texture

I have this bogie: It's textured with UV Map in a dark grey as you can see in texture view. However when rendering, it's nicely rendered, but no texture is to be seen: I checked this question/answer ...
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Exporting multiple materials to a single diffuse/specular map

I created a low poly scooter and applied different materials to different parts of the mesh for obvious reasons (check the photo below). There are two things I need to do : 1) I want to put all the ...
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1answer
1k views

Create a new UV map but move the textures with the polygons?

I've imported an object from an 3d data capture program in Blender, which came with an automatically generated UV Map. I'd like to create a new (more sensible) UV map based on the cleaned-up geometry, ...
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1answer
358 views

My UVs are not in the same scale when I apply 'Average Island Scale'

I cannot make the UVs the same dimension, they shrink when I apply Average Island Scale. Is this behavior normal or is it my way of thinking? Here's the steps to reproduce the problem I found: Start ...
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1answer
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Is there a way to uniformly add texture to a complex mesh without using UV mapping?

I have a large mesh with > 1.5 million faces. I would like to uniformly add a texture to the object without UV mapping (as blender freezes every time). The texture is quite simple and can be applied ...
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1answer
726 views

Set active UV layer in python?

I'd like to set which UV map is selected in Properties > Object Data > UV Maps. By "selected", I'm referring to the one highlighted, not the one with the camera icon enabled. I tried ...