Fold in half and unfold
Fold in half vertically and unfold
Bring the ends of previous crease together
Fold in half and unfold
Bring the ends of previous creases together
Fold in half and unfold
Bring the ends of previous crease together
Valley-fold the bottom to the center
Crease only the left half
Mountain-fold along the edge
It will not lie flat
Rotate the model 45 degrees and repeat
(7 more times)
Refold the previous creases to make it easier
Straight lines are valley folds
Curved lines are mountain folds
Collapse
Smart Waterbomb finished!