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Translucent vinyl was used for the screen, making it visible from within and without its confines. The vinyl was connected by heat treatment so that the screen didn't twist and the viewers didn't worry about the joint lines.
The floor was covered with a white linoleum board. The whole space of Vroom was filled with images on four screens and those also reflected by the floor. A wide-angle lens was attached to the projector based on precise calculations. And the images were controlled using the picture compensation function of a "Canon LV-7545" projector. After that, we could keep projectors placed high so that a shadow would not be made even if people stood near the screen. We were also able to keep the four screens maximally extended.
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