Figure 18-3. Several cardboard Fast-Catch Boomerangs
Using a straight edge, draw a 1′ by 1′ plus sign on the poster board; these two strokes will serve as guidelines. They should be perpendicular but don’t drive yourself nuts if the lines are a little skewed.
Add 2″ crossbars to the ends of each stroke, as in Figure 18-4. (In heraldry, this is called a cross potent and is the same as the central figure in a Crusaders’ cross design.)
Figure 18-4. The cross potent boomerang skeleton
Connect the 2″ crossbars on either end ...