Is it worth using a wedding dress pattern for casual wedding dresses? There are many advantages to using a pattern and even more advantages to wearing a casual dress at the wedding. A pattern can make the exact color, fabric, cost, length, cut and style of dress a bride wishes. The casual wedding dress has the advantage of being comfortable, inexpensive and stylish. Using wedding dress patterns to make a casual wedding dress will save money, time and give the bride the exact dress she wishes.