A method of demonstrating the impact of a treatment on a surface comprising the steps of: i optionally imaging at least one untreated surface ii applying at least one treatment to the surface(s)such that if step i) is not performed at least two different surfaces are treated with differing treatments iii imaging the treated surface(s) to create an image iv converting the imaging data into a format suitable to create a magnified image on a 3D printer v producing a 3D model of each of the imaged surface(s).
