Take a rectangular shape of paper and then fold follows the guide lines (pic 1).
Then fold the up right and left corner (A and B) to C (2).
For the bottom part, fold the bottom corners (D and E) to the up become pic 4.
Fold the bottom part to the up become pic 5 while the back part like pic 6.
Meet the F and G point become pic 7.
At picture 7, meet the H to I, so it becomes pic 8.
Pull both of the tips at the up (pic 9) to the right and left side.
The machine boat has done (pic 10).
