| 摘要 |
<p>The cardboard box is made from a single sheet of board which is cut at the edges so as to form two end flaps and a notch at the ends of the side. The top edge of the side has a shallow angled notches which matches with the corner of the end flap. The corner has one side which is perpendicular to the folding edge. The opposite side of the flap is angled relative to the folding line. The width of the end flap is of the order of 2/3 of the width of the side of the box.</p> |
