The "Free" in Free Motion Quilting is for you are FREE to do anything you want. If you want to chalk the design on first and try to follow the lines--go for it. If you want to just do loops and meanders--go for it. Either way, you'll want to make a puddle around the needle area with your quilt, relax and just go with the flow. Concentrate on just the few inches all around your needle,
Don't forget to drop the feed dogs and put on your darning foot.