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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.

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7 views

Baking of the diffuse map turns out partly black

So, I've been baking Diffuse Maps for a while now (often had some trouble with it), but now a problem occured, that I cannot fix. So, I set up everything for baking the map and it mostly works fine, ...
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1answer
16 views

How to stretch a material without changing shape

I am completely new to blender and I am trying to make a 3d brick wall. Ive tried various ways but I could not make it realistic(I tried uw wrapping method but still didnt look good). Finally I found ...
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2answers
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Is it possible to unwrap genus-0 mesh so each vert has one and only unique uv?

There're two ways to unwrap a genus-0 mesh such as a sphere. One is to make a full sphere from an unwrapped half sphere applied with mirror modifier. It will output similar uv layout as below image. ...
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How can I make a 3D model out of a set of vertices, UVs and faces using a script?

I have 1 UV .png, and 3 numpy arrays that I will describe below: Vertices: An array that has many triplet float values eg. [1.1, 2.1, 3.1] Faces: An array that has many sextuplet integer values. eg. [...
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20 views

Texture Paint not Applying to Render Preview

I UV unwrapped my object (an eye), and applied a texture to it. Because the texture doesn't match up perfectly on both sides of the sphere, I'm left with a seam. I tried fixing it using the clone tool ...
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1answer
33 views

How can I make better UVs for my photogrammetry models?

Smart UV project is making some pretty terrible UVs for my photogrammetry scans: Lots and lots of tiny islands. I already tried changing the smart UV project settings. I need margin at .1 so I can ...
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0answers
24 views

UV orientation affects shading

I would like to follow up on a previous question about UVs affecting shading in a weird way. I am in the process of exporting a scene to Unreal Engine 4 and stumble upon this issue as I baked the ...
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1answer
16 views

Strange Normal Baking

I'm sure this is a tired question on here, but having scrubbed through a few on here I haven't find an answer directly for this issue. In baking a normal map, the content bakes perfectly fine but it'...
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How do I bake particle UV's at end of simulation in Molecular Script Add-on

Is there any way to bake the texture at a certain frame onto particles so it looks like they all formed percectly into an image? I've seen it before but I can't find how to do it anywhere. ]7 I've ...
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1answer
31 views

How to get dirtiness on a simple texture? [on hold]

Whenever i downloaded a texture it looks very simple like the image bellow so i want to add dirtiness like the image below I am using Photoshop to prepare my textures so somebody please tell me how ...
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0answers
21 views

Blender 2.8 - Issue with “shadowing” effect at UV material edges in Eevee

I've noticed this issue in Eevee (and Look Dev) but NOT in cycles, where I've UV unwrapped a section of my model, used exactly the same shader nodes where the two materials would meet, but there's a ...
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34 views

Why isn't my normal map working

I wanted my retopology mesh to look like it has more detail so I decided to make a bake an image texture that I could use as a normal map. The detail isn't showing instead I get this Also if you ...
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33 views

UV seams affecting normals

I have an issue with my UV seams. It looks like they affect the vertex normals as well and I don't know how to clean this. UV split, correct unwrapping UV welded, UV streched :'( EDIT Here is a ...
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1answer
19 views

UV problem. Artifacts appearing on material

For a while now I can't find the reason for these artifacts appearing. It seems to happen when I do boolean cuts and creates overlaps in my UVs. I thought it was maybe because of the edge split ...
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1answer
36 views

How to overlay image on extruded SVG?

So I just got into blender because I need a 3D object to animate in AE. I am having trouble adding a texture to my object. I don't know the terminology all that well, but I tried making a mesh and ...
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36 views

Most efficient way to have different image textures on many similar objects?

What is the best way to create a set of objects that are basically the same, but differ in their (animated) location and their image texture? Approaches considered It is possible to create a ...
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0answers
27 views

Resize UV map to real world dimensions using bpy (Blender 2.8)

I'm using bpy to script the export of uv maps to svg. Afterwards, I want to re-import said uv maps to generate flat models of my ...
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10 views

UV Maps Disappeared

I was in UV mapping, using Auto Align, and I wanted to repeat the action, so I pressed ⌘ + R , which must not have been the right shortcut, because it made most of the UV mapping tools and the UV map ...
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18 views

How can I merge separate UV maps?

This model has a different mesh and UV map for its eyes, I wanna join the eye mesh with the rest of the head.. But when I just Ctrl-J, it joins together but the eye's UV map doesn't go with it. Is ...
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1answer
15 views

All UV info is collapsed into a single point

I have recently purchased a package for unreal engine which contains lots of low poly models. I have some light-map issues with unreal engine. I guess that (based on the warnings within the engine) ...
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1answer
21 views

How to set transparent pixel in UV

In my sprite UV i set it some UV to transparent in my pixel editor. These pixels appear black in the viewport. When I search about it I found various answers but for old blender versions, and the ...
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21 views

Why certain faces dont show texture?

I made some faces with F and those faces dot display texture. What could it be ? thank you in advance for your help...
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1answer
48 views

Wrong topology or just UV viewport's artefact?

Strange artefact in UV map view. Some "ghost" faces. The faces that contain rounded cut are in the same plane. So I decided to leave N-gons because of flat plane. The texture and MatCap looks good. ...
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1answer
15 views

UV Unmapping Specific Mesh

I'm trying to add an image to the top side of my cube. I have marked the seams and unwrapped it, and when I choose to add the image to the cube, it gets wrapped up on all sides, rather than the ...
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1answer
17 views

I can't paint on my meshes? I need help setting up texture paint on the Image Editor/ 3D Viewport

So i'm creating a kitchen scene in blender 2.8. It's my first scene that i'm going to fully texture, give materials, give proper lighting, etc., and i can't seem to figure out how to set up texture ...
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Displacement Map Appears Warped in F12 Render

I have a displacement map on a highly subdivided plane, with a brick texture feeding into the displacement node. This image shows the viewport render on the left, with perfect square tiling on the ...
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2answers
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Is there a way to export a non-square UV map?

I have a rectangular mesh but when I go to the UV editor, it is shown over a square backdrop. How can I choose something with better dimensions (i.e. that have less wasted space) and fit the mesh ...
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1answer
30 views

Blender Edge Flow/UV Mapping help needed

I started a project recently with a sewer scene, and I'm trying to make a circular hole in the cylinder I'm using for the wall to make a ladder that leads into the sewer. However, when cutting the ...
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1answer
27 views

Problem with UV unwrap rotation

I have modeled a simple folded carton box. When i UV unwrap the mesh i get a rotated UV. Why? Maybe i miss something?
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28 views

Image texture material causing transparency

So when I apply an image texture material to my mesh for some reason in rendered mode the mesh becomes transparent I can see through it.. I don't know what when wrong but I'd appreciate some help... ...
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1answer
29 views

UV mapping texture get sliced? in some area

I have a flat face (created by bisect fill) that I have to unwrap for using with image that must be pixel perfect(no compress or shear). What I have done are: Select bisect filled face UV>Unwrap it ...
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1answer
37 views

Everytime i load my project, the material is missing

I just started to learn blender few days ago,I follow BlenderGuru and made some donuts, but everytime i load my project, this donut bread material is missing. I did save a UVunwrapped texture and ...
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1answer
34 views

How to change snap UV grid

I'm trying to snap UV into little units. Even if I did mange to change the grid size and snap correctfully in Modeling window, I cannot find a way to do the same in the UV Edit window (even by ...
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1answer
30 views

UV Mapping before Applying Modifiers

I want to know whether there is a way to UV unwrap your models, before applying modifiers such as mirror and arrays, and have those same meshes share the same space in the UV map, after applying it. ...
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15 views

How to “recalculate” the UV's after editing the object in Edit mode

I made a Brick material on an object, but when I return to editing the object, the UV's get stretched and get Wonky. Is there a way to "recalculate" or update the UV's so the bricks are spread out ...
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1answer
16 views

Exporting UV layout with modifiers applied

I'm trying to export an UV layout with subdivision surface modifier on to paint it in photoshop, but I'm failing to do so. Whenever I export it it gives me my lowpoly model UV map
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0answers
36 views

Mesh UV pie menu

I'm trying to make a pie menu for select mode in the Edit Mode and UV Editor, it's a pie to select vertex, edges, faces and in the UV Editor there is also Island. The operator for the select mode in ...
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0answers
39 views

Blender 2.8 API seems to have issues with UV layers

I have had a working exporter for a custom format that worked fine on 2.79, when i moved to 2.8 everything works besides one issue that i cannot seem to understand. Could you please help me out? The ...
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1answer
45 views

How can I apply exact texture measure (cm) in uv mapping?

So, i'm working at a bathroom and my main problem is with tiles. My tile is 25cm x 75 cm how cand I apply exact measurement of my tiles to fit the walls. Let's sey I can hardly apply exact uv mapping ...
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0answers
15 views

Texturing Problem/Question

I finally got my rigged book working. I used CG cookie's tutorial to build this book model but now I have some texturing problems. Problem 1: I would like golden fonts on the cover. What I was ...
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2answers
22 views

Having issues baking normal maps for this small pot, how can I fix it?

I'm trying to bake a normal map for this small pot mesh I plan on texturing later, but the resulting normal maps present lots of issues around the edges. I've tried baking from a higher poly model to ...
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0answers
13 views

How do I copy uvs between uv sets on a single mesh in blender 2.8?

New to blender. I have an imported fbx mesh with several uv sets: uvs_1, uvs_2, uvs_3. I would like to copy the uv islands from uvs_2 and uvs_3 to uvs_1 in order to collapse the sets to a single set. ...
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0answers
11 views

Texture Atlas issue

I'm new here, and I've run into a small issue. I've been working on a racing game in Unity and I use texture atlases to keep my materials at a minimum. However, I opened up one of the track files ...
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11 views

Proper UV map for single mesh with multiple textures

I'm trying to convert a single mesh 3DS file into a Collada DAE which can be used in Away3D. When I import the file into Blender and render, it looks good. However I need to get UV unwrap working (as ...
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0answers
17 views

How to give Specific size texture on flat surface

I am migrating from 3dsmax to blender. Suppose there is a flat surface of odd size and shape and there is a material with image map of size 100px X 100px. When I apply the material to the surface the ...
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1answer
10 views

Trapezopid shaped face to square UV coordinates has unfavourable skewing

When I map a trapezoid shaped face to square shaped uv coordinates it doesnt skew how I would expect it to. I want it to go to from fat to slim pixels. Instead it seems to skew based on triangles ...
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0answers
40 views

How to make the panel which stick on the tube faded(color faded) randomly in blender?

This is the material that I try to make. At first I use Quixel Mixer to draw my texture, then import to blender. But I can't get the same result with the reference. How to make the panel which stick ...
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2answers
37 views

I can't create a UV map for this object and I don't know why (sphere unwrap)

I have a horse model I'm working on. So far, so good. Now I'm trying to add eyes with an iris texture. I added two spheres, assigned a material and a texture, but the UV Map is too small and needs to ...
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1answer
23 views

How to copy material texture settings between faces

I'm currently trying to create a scene in blender based of minecraft (because why not) and I'm having difficulty with texturing objects. I split the faces of the objects to that each face would be 1 ...
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0answers
24 views

Fix UV showing seams in all modes except texture paint

Was following CGBoost's tutorial on texture painting an apple until I got to a hiccup where when in any mode that isn't texture paint, my object ends up showing the seams that I marked earlier. I ...