Texture atlas

= Texture Atlas = When many separate textures are packed together into a single texture, this is called a texture atlas. Other common names for this are decal sheet, packed texture.

Gutters
When a game model is textured using a single texture sheet, the texture will have typically have UV'd areas (UV shells) and blank areas between them (gutters).

The width of the gutter you need depends upon the game engine used, how large the texture is, the texture filtering type, and the mip map mode. See EdgePadding.

Packing Tools
Links to texture-packing tools to be added here.