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Start with a square of paper face-down |

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Crease it diagonally |

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Fold one corner toward the center |

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Fold all four corners this way |

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Turn the paper over |

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Fold one corner toward the center |

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Fold all four corners this way |

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Turn the paper over again |

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Squeeze the middles of the edges so that the points puff up |

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Keep squeezing until the paper starts to become flat again. If
you are doing this with a panorama printout, flatten it so the
top and bottom of the picture disappear into the fold -- not the
sides of the picture. |

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Squeeze it flat |

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Fold one triangle out and down |

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Fold all four triangles this way |

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Fold a square corner down |

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Fold all four square corners this way |

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Turn the paper to get this view |

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Grasp the wings with your thumbs and carefully open the shape
up |

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The central square will pillow open |

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Finish opening and crease it flat. |

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Start with a square of paper face-down |

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Crease it diagonally |

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Crease it along the other diagonal and the midline |

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Squash it into a flat triangle |

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Fold one point up |

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Fold all four points this way |

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Fold one of the free corners to meet the center |

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Fold all four free corners this way |

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Fold down one of the free points |

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Open up the pocket on the left; curl the point into the pocket |

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Fold and tuck all four points this way |

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Open up the shape and find the open end |

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Hold it by the edges and blow sharply into the hole. The balloon
will inflate. |