Solution to the ‘origamics’ problem

In this note, we offer an explanation to the observations made in the ‘Origamics’ article (November 2013 issue of At Right Angles). The following observations had been made: (a) The points of intersection of the X-creases fall on the vertical midline of the square. (b) The points of intersection of the X-creases vary along a short distance from below the centre of the square. c) The three lines connecting the point of intersection to the starting point on the edge and the two lower vertices are equal