When the scene is rendered, each triangle will map to the appropriate texture from the " decal sheet".Ī UV map can either be generated automatically by the software application, made manually by the artist, or some combination of both. Once the model is unwrapped, the artist can paint a texture on each triangle individually, using the unwrapped mesh as a template. If the mesh is a UV sphere, for example, the modeller might transform it into an equirectangular projection. One way is for the 3D modeller to unfold the triangle mesh at the seams, automatically laying out the triangles on a flat page. When a model is created as a polygon mesh using a 3D modeller, UV coordinates (also known as texture coordinates) can be generated for each vertex in the mesh. UV checker map with coordinates UV unwrapping
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