Units of paper quantity and US measure, in some sources, a quire was originally 24 sheets.) Quires of 15, 18 or 20 sheets have also been used, depending on the type of paper. The current word "quire" derives from OE "quair" or "guaer", from OF "quayer", "cayer", (cf. modern Fr. "cahier"), from L. "quaternum", "by fours", "fourfold". Later, when bookmaking switched to using paper and it became possible to easily stitch 5 to 7 sheets at a time, the association of "quaire" with "four" was quickly lost. In the Middle Ages, a quire (also called a "gathering") was most often formed of 4 folded
Paper craft century A.D. In much of the West, the term origami is used synonymously with paper folding, though the term properly only refers to the art of paper folding in Japan. Other forms of paper folding include Zhezhi (Chinese paper folding), Jong-i.e.-jeop-gi, from Korea, and Western paper folding, such as the traditional paper boats and paper planes. Papel picado, as practiced in Mexico and other places in Latin America is done using chisels to cut 50 to a hundred sheets at a time, while Chinese paper cutting uses knives or scissors for up to 8 sheets. Wycinanki and other European forms