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 37
30 PAPER FOLDING AND CUTTING. … THE HEXAFOIL. Fold to Fig. 5, and cutfrom I to 2. Point 2 is thetangential union of the arcand the line 3-0. The arcshould be a semicircle, hav-ing its centre on the line i-o. THE HEXAFOIL. Fold to Fig. 5, and cutfrom I to 2. The line 2-4must be at right angles toi-O, and the arc 3-1 shouldbe a…
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