Drying sensitized paper

Use adjustable coathangers and hang the sensitized paper in a coat closet protected from light .

This technique is especially usefull for sensitized textile.  The lower hanger may be weighted for stretching!

An alternative is to use a paper box with an iron plate at the base. Small magnets keep the paper in place and prevent buckling (depends on number of magnets and the humidity of the paper). Be carefull not to touch the sensitized part and cover the iron plate with some plastic (e.g. plastic bag) to prevent unwanted chemical reactions.