Accordion fold (four panels) – this folding selection varieties a zigzag pattern and it has four alternating panels on either side. Double parallel fold – this fold selection helps make four panels by folding the paper in 50 percent then in 50 % again, parallel to the very first fold. https://elizabethw113aqi3.goabroadblog.com/38910474/the-definitive-guide-to-flyer-printing