Creating and Displaying a UV Test Grid
At this point, you could start unwrapping, but instead you’re going to create a UV Test Grid so you can see how applying a texture to the face will look before unwrapping. With the test grid, you’ll see how an image is projected on the 3D model using the UVs more easily.
A UV Test Grid is a basic image made exclusively to test how the UVs of a mesh work. It’s an image with a grid; when it’s projected on the 3D model, it provides you with a lot of information. The size of the grid will show you which parts of your object are using more space from the texture (the smaller the grid, the more resolution the texture will have in that area). Using the test grid, you can adjust the size of every part of the object ...
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