The bird has wings, head and tail. There are they and at this base form. Do you see them?

On first five steps we fold the square base form. Further, with open the parties of the model, we precrease from both sides creases, similar used in kite.

Now you can use this creases and push four corners inside the model. It is necessary only to lift the wings upward and the base is ready.

On this base form are based the following classical models: the crane, the pheasant and the raven.