Six or seven crease concertina fold leaflet is constructed by two single folds and concertina fold in three planes, and upon which can be arranged optional contents in form of figures, letters, words, pictures, and suchlike

摘要

The six or seven crease concertina fold leaflet is constructed by two single folds and a concertina fold in three planes, and upon which can be arranged optional contents in the form of figures, letters, words, pictures, etc, covered or partially covered in rows, blocks, and suchlike. A perforating can be made on the left hand side without affecting the folded sections.