This is a description document that explains the procedure and development of the “Procedural Texture Generator” tool for Unity. It is a node-based editor that allows the user to create textures by generating different types of noises, combining them, and using several filters to generate the different textures needed for PBR materials. In this document there are described the techniques and procedures used for procedural texturing and the adaptation into a Unity tool, as well as all the difficulties encountered during the development.