Origami

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Across
  1. 2. The corner of a page.
  2. 5. To flip the paper.
  3. 6. The edge of a page.
  4. 8. To unfold a piece of paper.
Down
  1. 1. To flatten the page.
  2. 3. A part of the paper that hangs out as a flap.
  3. 4. To fold paper into a shape.
  4. 7. The folds of a page.