Napkin Paper Plane

1. Take a square of paper and fold it in half along the diagonal line shown in DIG. 1

   DIG. 1

2. Now fold the long edge over 0.5cm (1/5") and repeat 4 times creasing hard as shown by dotted lines inDIG. 2

   DIG. 2

3. Now tuck the ends of the folded edge inside each other to form a ring. Crease the thick folded ring repeatedly to make perfectly round. The fold should be on the inside as shown in DIG. 3

   DIG. 3

4. It is now a fully functional plane but can be improved by rolling the tip of the triangle of paper around a pencil then unravelling it and making a cut to about 1/3 the length of the triangular area right down the middle of the plane. As marked in DIG. 4.

   DIG. 4