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Key to Symbols

Valley Fold—This is a solid-filled arrowhead, and it means to form a valley with the crease.

Mountain Fold—The unfilled right-triangle arrowhead means to fold behind, forming a ridge.

Unfold—This unfilled arrowhead is an equilateral triangle. When you see it, unfold the indicated flap.

Fold and Unfold— Fold in the direction of the solid-filled arrowhead, and unfold in the direction of the unfilled arrowhead.

Pleat—This is a zig-zag arrow, and it means to make a valley fold followed by a mountain fold.

Turn Over—This is a looping arrow, and it means to turn the model over.

Rotate—These are two arrows outlining a circle, and it means to turn the model in the direction of the arrows.

Push Corner Inside—This is a solid-filled arrowhead that means you should reverse the direction of a corner by popping it inside.

Repeat Steps—Repeat the operation on the other flap or the opposite side.

Insert—Place something into a pocket (a flap or a finger).

Pinch—Make a short crease between your thumb and forefinger.

X-Ray View or Guideline—Shows a hidden flap or surface, or indicates that you should fold to an imaginary line.

Enlarged View—The step following this symbol shows an enlarged view of a portion of the diagram.