- Duct Tape: You will need 30 feet of it.
- Paint Stirring Sticks: You will need 11 of them. Get the big ones, which are just over 20 inches long. Go to the paint counter at Home Depot: they will give them to you for free.
Step 1: Lay Out the Duct Tape
Place two strips of duct-tape on the ground, sticky-side up. Each strip should be 15 feet long and spaced one paint-stick apart (center to center). You can stick the ends of the tape to the ground to hold them in place.
Step 2: Lay Out the Paint Sticks
Spacing is 18 inches. That is, a paint stick at 0", 18", 36", 54", 72", 90", 108", 126", 144", 162", and 180".
Step 3: Fold Over the Tape Edges
And... you're done! You can fold up the ladder to take it with you, then lay it out on the pavement or grass to do your drills. Here are a few links that have drills to try: