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Fold the top edge to the long edge, right through the middle of the corner. Open card flat.
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Fold the top edge over to the other long edge, right through the middle
of the other top corner. Open card flat.
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Fold back (mountain fold) as shown where the creases cross.
Open card flat.
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Push down at o. Bring x and y together. Pushdown and flatten the triangle just formed on the front. See
next drawing..
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Fold the outer corners of the triangle to the top corner.
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Fold the sides of the card to the middle.
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Fold the bottom edge to the top.
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Bring the top edge of the front layer to the bottom edge.
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SHARPEN ALL CREASES. Loosen the front and back legs a little.
Tap the back of the frog and it will jump.