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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. Use this tag for questions pertaining to UV's and UV mapping.

2 votes
0 answers
517 views

Is there a way to make normalized coordinates the default in the UV editor

I have been doing a lot of UV editing lately and have noticed that I am often enabling normalized coordinates in the UV editor and thought it would be useful to turn this on by default as it means I don't …
MrFlamey's user avatar
  • 3,919
2 votes
1 answer
9k views

Is there a way to copy UVs between maps on the same object, or merge maps into one?

I just finished UV mapping a large object that was split into many parts, some parts were new and made in Blender, but the original object was built in another package, which uses a different default UV … on the same object, or of merging multiple UV maps into one. …
MrFlamey's user avatar
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4 votes
Accepted

Combining 2 UV maps into one

This is the simplest way I know of merging UV maps in Blender: Separate all the polygons of the head to a new object. Delete the 'body' UV map from the head object. … Rename the 'head' UV map of the head object to 'body'. Delete the 'head' UV map of the body object as you don't need it. …
MrFlamey's user avatar
  • 3,919
9 votes
1 answer
6k 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, … Although I can manually flip the top uv island and move it onto the similar one below, I was wondering if there is a quicker, preferably automated way that works with more complicated uv islands (sorry …
MrFlamey's user avatar
  • 3,919
14 votes
3 answers
36k 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? …
MrFlamey's user avatar
  • 3,919
4 votes

How to add a UV Map to a Mesh Using Python

vertex_list ), 0)) ) # add uvs to the new face uv_layer = bm.loops.layers.uv.verify() bm.faces.layers.tex.verify() face = bm.faces[-1] for i, loop in enumerate(face.loops): uv … = loop[uv_layer].uv uv[0] = uv_list[i][0] uv[1] = uv_list[i][1] # assign material try: material_names = [ m.name for m in obj.data.materials ] material_id = material_names.index …
MrFlamey's user avatar
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12 votes
2 answers
15k views

How to add a UV Map to a Mesh Using Python

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 in the file. However, I can't figure out how to add the UVs to the mesh. … Ideally, I'd like some system that lets me add a UV per vertex as I add the vertices. Should I be using UV loops? …
MrFlamey's user avatar
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