If you have followed the foregoing instructions carefully, you should be able to construct the nine designs shown here. Numbers 1, 3, 6 and 8 are drawn with the compass only; the other designs require the additional use of the ruling pen. All these designs are easy to do, once you have laid them out in pencil. Number 1, for example, is merely a series of six incomplete circles centered on the diagonals of a regular hexagon. The rest are equally simple. Draw as many of these as you can, paying particular attention to the arcs and the connecting lines in Number 5, and to the connecting arcs in the ellipse in Number 8. Number 9 is the hardest figure to draw, but if you understand compound curves and the use of the French curve, you should experience no real difficulty.

On page 49, you will find four complete simple drawings. To the right of each is shown the progressive step-by-step method used in producing each drawing. The first drawing is a simple five-pointed star. To produce it we first draw a penciled circle; then we lay out an angle of 72 degrees (1/5 of 360), and, with the small pencil dividers, we mark off the five equal divisions on the circumference. Now we connect these points with straight lines, as shown; and, in the final step, we ink in the lines to get the finished star, carefully erasing all pencil lines once our drawing is finished.

The second drawing is just as simple to execute. First, draw the center line and the two horizontal lines which pass through the centers of the circles. Now, at the upper intersection, draw the arc; where the arc cuts the horizontal line will be the center points of the two upper circles. The intersection of the vertical and lower horizontal lines is the center point for the lower circle. Now, partially ink in the three circles, as shown, and connect them with the straight horizontal and vertical lines, as indicated.

To make the third drawing, we start with the center circle and draw a larger pencil circle, as shown. Now, with the 45-degree triangle, draw the diagonal lines. At the point where all these lines cut the outer circle, we have the center points for the eight outer circles.

The fourth and last drawing is self-explanatory.

This method of developing design drawings should be followed at all times. You should use it in drawing the nine problem drawings given below and on the next page.

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