Teaching mosaic composition by ncrusting complementary pieces. (Machine-translation by Google Translate, not legally binding)

摘要

Didactic mosaic of composition by incrustation of complementary pieces, of the type formed by a one-piece body, flat, of little thickness, which is characterized to be composed of a hydrophobic material of low weight and a certain density, for example: compressed polyurethane foam or closed pore and consisting of an absolute general die-cut or subdivided into several parts in each of which it is possible to embed, tightly, richly complementary pieces for the formation of a mosaic with the reproduction of any figure or drawing within another to the total closure of the surface. (Machine-translation by Google Translate, not legally binding)