Tri-Fold	Z Fold	Half Fold	Half and Letter Fold
This common fold used for mailings and brochures.	The “Z” style offers an advantage for multi-page letters to be collated and hand inserted for mailing.	Half fold brochure is commonly used for 4 page newsletters.	The 11×17 sheet is folded in half, then folded again in the opposite direction into a letter fold for inserting in an envelope.
Gate Fold	Double Parallel Fold	Half and Half Fold
The gate fold is very attractive as the panels that are folded inward create a gate like appearance.	Double parallel is a brochure that is folded in half and then folded in half again.	Half and fold brochure is made by folding a page in half in one direction and then folding the folded page in half again in the opposite dimension.