Prepare 1 piece of origami sheet. Fold origami in half to make a rectangle.

Fold again in half to make a square. Unfold.

Vally-fold top part so that top edge meets the center line.

Vally-fold bottom part so that bottom edge meets the center line. Flip over the origami.

We are going to valley-fold right hand side…

so that right edge meets the vertically center line. Vally-fold the left hand size
so that left edge meets the vertically center line. Now your origami should look
like the picture below.

Flip over the origami.

Mountain-fold in half. Wallet origami!