The summary is as follows:

Create the main shape of the origami boat. Crease and unfold the square origami paper diagonally in half.

Create the main shape of the origami boat. . Crease and unfold the opposite corner halves of the square origami.

Position the paper as a diamond and pinch the lower half approximately one finger width from the center crease up to make a ridge. Fold the ridge up so that it lands over the center crease.

< p> With the paper positioned in a diamond shape, squeeze the bottom half up about a finger's width from the center crease to create a ridge. Fold the ridge up so that it rests on the center crease.

Take one side point and fold the paper in half to meet the opposite side point.

Take one side point and fold the paper in half to meet the opposite side point.

Separate the sails from the boat. Fold the smaller triangle over the center towards the larger triangle. Make a mountain fold with the smaller triangle.

Separate the sails from the boat. Fold the small triangle toward the larger triangle from the center. Make a mountain fold using the smaller triangle.

Form the boat part of the sailboat. Pull the open ended tip of the mountain fold down to form two side walls like a canoe.

Form the boat part of the sailboat. Pull the open end of the mountain fold down to create two canoe-like side walls.

Crease the side walls in towards the center of the canoe then fold each side up in opposite directions.

Crease the side walls in towards the center of the canoe then fold each side up in opposite directions.

Fold the outside of each creased canoe wall in on itself towards the center. Invert the creases to complete the origami sail boat.

Invert the creases to complete the origami sail boat. Center fold. Flip the creases to complete the origami sailboat.