I want to build a cheap light tent for product photography. I have: - 7xA3 tracing paper. - 1x30W Daylight bulb (6400 K). - 3x25W Daylight bulb (6400 K). - 1 carton box. I want to achieve: - A pure white background Now I need your ideas. I need to put the tracing paper on left, right and top side of box ? Thanks!