To design the piece given, stained glass is used as a medium. Thus, option b is correct.
What is stained glass?
Stained glass is some colored glass used to design the objects in ancient times from which lights can easily transferred. It consists of cathedral glass which is fine sheets and can be folded with the help of machines
Currently, it is used in commercial and household construction to design windows and doors by decorating them attractively to give an amazing view.
Therefore, option B stained glass is correct for designing the piece provided.
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