Letter Folding Industry Lingo

Empower yourself with the language of insiders. We decipher the arcane terms, epigrammatic abbreviations, and weird words used in the industry.

Accordion Fold

A fold that folds a page into thirds in the shape of a Z. Also know as a Z-fold.

Brochure Fold

A type of fold that reduces the paper to half its original size with two one-quarter folds on either side.

Double or Double Parallel fold

A type of fold that denotes the sheet is folded back onto itself twice.

French Fold

A type of fold that indicates one vertical and then one horizontal fold. This usually requires two passes through a folding machine.

Letter Fold

Also known as a standard or c-fold, this folds a sheet into thirds, with the two end segments folded on top of one another.

Paper Guides

This feature aligns odd-sized paper stock for folding.