Book excerpt: Imagine it. Make it! You don't need to be a designer or pattern maker to create and sew the dress of your dreams. Let Liesl Gibson, founder and designer of Oliver + S sewing patterns, show you how to alter the elements of a pattern to make exactly the dress you imagine. Oliver + S Building Block Dress: A Sewing Pattern Alteration Guide shows you how to customize all the elements of a basic dress pattern. With the included Building Block Dress pattern and Liesl Gibson's detailed pattern alternation instructions, you'll learn how to create almost any dress you can imagine. Let Liesl show you how to change sleeves, silhouettes, pockets, necklines, hems, closures, and linings. By combining the elements presented in the book, you'll be able to make thousands of unique dresses. The only limit is your imagination! Use the skills you learn in this book to customize other patterns as well. With these techniques, you'll look at sewing patterns as just the starting point for your creative expression.