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 42
THE CINQUEFOIL. Fold to Fig. 5, and cut fromI to 2. The arc 4-1 should bea quadrant with 3 as centre,and the line 2-4-3 should beat right angles with the linei-o. … THE CINQUEFOIL. Fold to Fig. 5, and cut fromI to 2. The arc 2-1 should bea quadrant with 3 as centre.
Paper work
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