Portrait of a Killer: Jack the Ripper—Case Closed that a paper manufacture expert she hired asserts that reams of paper supposedly used by Jack the Ripper to write several letters to Scotland Yard and paper purchased by Sickert's mother bear the same small-press watermark. She also claims that there are matches in the cutter's marks, which are a result of the rough cutting of each quire (or small package) for packaging. A "quire" was usually of 24 sheets. Though Cornwell's book sold many copies, many Ripperologists and other critics argued that Cornwell's theory was far from persuasive. Critics also note that Cornwell has said that she did not
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