POPAPY: Instant Paper Craft Made Up in a Microwave Oven

This research proposes a postcard that transforms into a paper craft model after being heated by a microwave oven, named "POPAPY". POPAPY is made from a combination of paper, heat shrink sheet, and very thin aluminum sheet. The aluminum sheet can provide heat to the heat shrink sheet effectively, and the heated heat shrink sheet will shrink and the paper will bend, then, the paper model will stand. In this paper, POPAPY, along with an application that allows the designing of the shape of the paper figure and a simulator of the transformation are implemented. Users can make their own original POPAPY easily using the application and the simulator helps to design the bending angle of the figure by the combination of the size of the heat shrink sheet and the aluminum sheet. "POPAPY" can provide a surprising feeling to the receiver as well as amusement of sending a card to the sender.

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