With the increasing popularity of smart devices, two-dimensional barcodes have the potential to connect electronic media and paper media. Variable 2D Bar Code Seal is a small, convertible, and convenient portable seal. It was inspired by the traditional Chinese seal and the printing technique of movable type.
To use the seal, the button is pressed and the array is automatically transformed. The stamp code and content is displayed. Variable 2D Bar Code Seal works effectively with apps via synchronised operations. The seal can be used to print 2D codes on items such as business cards, prescriptions, leaflets, notes, tickets, and so on.