We often ignore the fact that there is twofold tradition of art education. After the conquest of modern art it was not possible to apply the original value scale on which the traditional art education is based.
An attempt to find new clues to the art education became so called "Vorkurs (Preparatory Course) Bauhaus". After 1921, it gradually changed the basis of didactic of art education around the world.
Digitisation and the general availability of world cultural heritage now allows both: to learn creative "grammar," as well as to expand student's vocabulary of paragons.