If you are given the distance between opposite

comers of a hexagon, called the *distance across comers*

Bolt heads and nuts are hexagonal forms (six sided)

or the long *diameter, *use the method shown in figure

and are common figures in mechanical drawings. You

14-22.

can draw a regular hexagon if you are given the distance

1. Draw a circle with the long diameter as the circle

between opposite sides of a hexagon. The opposite

diameter (view A).

sides are the *short distance *or *distance across the flats.*

2. Using the same radius as you used to draw the

To draw the hexagon, use the following steps. Refer to

circle, draw arcs with the ends of the diameter

figure 14-21 as you read this section.

as centers (view B).

1. Draw a horizontal line and a vertical line. Draw

3. Draw lines from the points where the arcs

each as long as a given distance. They intersect

intersect the circle to those where the diameter

at right angles to each other (view A).

touches the circle (view C).

2. With these lines as diameters and their

intersection as the center for the point of the

dividers, draw a circle as shown in view B.

3. Using the 30- to 60-degree triangle resting on a

As you read this section, refer to figure 14-23. If

T-square or straightedge base, draw lines

you are given the distance between opposite sides of an

tangent to the circle in the order shown in view

octagon, you can use the following method to draw a

C.

regular octagon.

1. Use the given distance as the side dimension in

drawing a square (view A).

2. Draw the diagonals of the square.

3. Adjust the dividers to a radius equal to one-half

the length of a diagonal.

14-14