Paper folding and cutting; a series of foldings and cuttings especially adapted to kindergartens and public schools (1892)
Ball, Katherine M · Boston, The Prang educational company · leaf 30
thumb-nail. For Fig. 5, bisectthe angle at o in Fig. 4, and fold. THE CIRCLE. Fold to Fig. 4, and cut fromI to 2. Points I and 2 are equallydistant from o. 22 FOLDINGS AND CUTTINGS FROM THE SQUARE. 23 THE SQUARE. Fold to Fig. 4, and cut fromI to 2. Point 2 is a bisection of3-0. … THE REGULAR OCTAGON. Fold to Fig. 4, and cut fromI to 2. Points I and 2 are equallydistant from o.
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