If you're using two strips of acetate, gently tuck the second strip of acetate between the cake ring and the top 1/4 inch of the first strip of acetate, so that you have a clear ring of acetate that is about 5 to 6 inches tall — high enough to support the height of the finished cake. (hummingbirdhigh.com)
To weave a lattice pattern, fold back every second strip halfway, then place another pastry strip perpendicularly across. (korenainthekitchen.com)