Art knife, also known as carving knife or wallpaper knife, is a kind of knife for art and handicrafts. It is mainly used to cut soft things. It is mainly composed of plastic handle and blade, which is a pull-out structure. There are also a few metal tool handles, and most of the blades are inclined edges, which can be broken with blunt lines along the blade body, resulting in a new blade, which is convenient to use. Art knives are available in various sizes.