The industrial design field experiences constant evolution given the emergence of all kinds of production systems alongside conventional machinery Stereo-lithography and sintering have now been joined on a massive scale by 3D printing and many other methods: FFF (Fused Filament Fabrication)  FTI (Film Transfer Imaging)  MJM (Multi Jet Modelling) to mention but few – and of course Gr Painting has proved capable of adapting its know-how to meet all the prerogatives required by the application of such new materials