A SQUARE OF SEVENTEEN SQUARES.

Fig. 86.

To divide a square into seventeen squares, begin by dividing each side of the square into four portions, drawing lines across each way to these points to make sixteen squares. Unite the points of the diamond, within which is a square one-quarter the size of the first. A second diamond within this quarter-sized square, cut by a Saint Andrew’s Cross—gives the points for the seventeenth square.