You have to make something...kind of a pain..I used an old 4x5 camera carrying box type of thing...drilled a big hold in the top to fit a metal dryer duct thing so I can put a fan on the other end...then drilled holes in the bottom of it....then screws to hold shelves that were open, like wire kind...but then had to build light traps in if for all openings....lmk if you have any better idea...that light tight box is your problem, the emulsion needs to dry well within the first few hours or it's toast...