Puzzle of Europe of 300µm thickness made up of various materials (stainless, nickel, aluminium, copper-beryllium, copper, alumina, glass, polyamide 6-6, polyethylene, polyimide, polytetrafluoroethylene)
Enlarging of the nickel clock element below of 150µm thickness (internal diameter 350µm) clock
Element out of nickel of 150µm
Piece thickness out of aluminium of 50µm thickness
