You want it to flow well and present well for the airplane you fly, but you also need to thinking about positioning in the box, energy management and aircraft performance under varying conditions. Your free should be a sequence that you know like the back of your hand. Competition aerobatics is a game of chess in some ways, but it’s not a defensive sport, you have to think about how you fly and what works for you, but also presents nicely. Free design could be a book on its own so we won’t get into the details here. In simple terms, you want to score the maximum amount of points during your free because it can help move you up the rankings because it contributes to your final score.