[header] How to build a folding screen [title] Gather 3 plantation-style shutters. [step] If buying new shutters, purchase 3 of the same size. If you're buying salvaged shutters, trim them so that they are uniform in size. 
[title] Lay the 3 shutters across 2 sawhorses with the top edges aligned. [step] Clamp them together in several places so that they will not move while you do any necessary repairs.