Definition: In c folds there are 6 panels with two parallel folds in a spiral fold configuration. This is a common type of fold for tri-fold brochures. To allow the panels to nest inside each other properly, the folded in end panel is usually 1/32" to 1/8" narrower than the other panels.
Also Known As: business letter | letterfold | tri-fold | brochure fold | spiral fold
