👉 Guttered is a term used in computer graphics to describe a surface that has a thin layer of pixels that are not visible or rendered at all. This is often seen in 3D models where objects are rendered as flat surfaces, but the user cannot see them because they are blocked by the surrounding material. The term was originally coined by John Gallant and is now widely used to describe such surfaces. Guttered surfaces can be created using a technique called "brushing" or "cut
