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 45
THE HEPTAGON. Fold to Fig. 5, and cut fromI to 2. Points I and 2 areequally distant from o. … THE SEVEN-POINTED STAR. Fold to Fig. 6, and cut fromI to 2. Point 2 is nearer to 4than to 3. FOLDINGS AND CUTTINGsifROM THE SQUARE. 39 THE HEPTAFOIL. Fold to Fig. 6, and cut fromI to 2. Point 2 is the tangen-tial union of the semicircle andthe line 3-0. The semicirclemust have its centre on theline…
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