Fold the basic frog shape.
- Lift the corners to the drop-down corner. Flip through.
- Bend the lower sides (from a dead corner) to the inflection line.
- Expand the figure (on four sides).
- Check the result.
- Aligning the sides of the corners, pull out the parts on the inside of the corners.
- Check the result: inside view of the angle.
- Fold a dead corner. Lower the corners inside the figure.
- Stretch a blind corner.
- Iron the bottom folds well.