Outer layer structure of a stuffed object and a sewing method thereof

An outer layer structure of a stuffed object, comprising:

• at least one first fabric component and at least one second fabric component fastened to each other substantially to form a container which has an accommodation space inside the container and a predetermined shape is defined by an outer surface of the container;
• the container further comprises an opening connected with the accommodation space, wherein the opening comprises:
• a first edge located on a side of the first fabric component and having a first end and a second end;
• and
• a second edge located on a side of the second fabric component and having a first end and a second end, and the second edge corresponds to the first edge to form the opening, wherein the opening has a first end and a second end;
• the first and second edges being arranged opposite each other along a first reference direction so as to define the opening;
• wherein
• the first end of the first edge corresponds to the first end of the second edge and the first end of the opening is formed by fastening the first end of the first edge to the first end of the second edge, and the second end of the first edge corresponds to the second end of the second edge and the second end of the opening is formed by fastening the second end of the first edge to the second end of the second edge;
• a first stitching thread passed repeatedly between the first and second edges so as to form a set of first stitch segments that are exposed on an outer surface of the first and second edges and extend from the first end of the opening to the second end of the opening, wherein the first stitch segments extend generally along the first reference direction, so the first edge and the second edge correspond to each other and the opening is stitched and fastened by the first stitching thread, and thereby a first seam defined by the first stitch segments, wherein the first seam further defines:
• a third edge located on the first fabric component near the first edge and having a first end and a second end;
• and
• a fourth edge located on the second fabric component near the second edge and having a first end and a second end, and the fourth edge corresponds to the third edge, wherein
• the first end of the third edge corresponds to the first end of the fourth edge, and the first end of the third edge and the first end of the fourth edge are fastened to each other, and the second end of the third edge corresponds to the second end of the fourth edge, and the second end of the third edge and the second end of the fourth edge are fastened to each other;
• and
• a second stitching thread passed repeatedly between the third and fourth edges so as to form a set of second stitch segments that are exposed on an outer surface of the third and fourth edges and extend from the first end of the third edge or the first end of the fourth edge to the second end of the third edge or the second end of the fourth edge, so the third edge corresponds to the fourth edge, wherein the second stitch segments are along a second reference direction which is substantially perpendicular to the first reference direction, and the third edge and the fourth edge are stitched and fastened to each other to define a second seam.