What is a full-scale drawing called that is a model for a major painting, tapestry, or other two-dimensional work of art?

A full-scale drawing that is used as a model for future work is called a cartoon. These drawings are done in a variety of media forms and are used to design and plan out major works. The can be drawn with pencil, charcoal, or pastels, as well as a plethora of other mediums. They can then be drawn over or copied for the finished work, or used as a reference for creating other artworks.