Taking a trip to the fabric market can be an exciting, if not sensory-overloading, experience. These are places where you can have custom-fitted clothes based on storefront samples, clippings from fashion magazines, or even of your own design. Those who want to design a piece of clothing for themselves (a dress, for example) can, theoretically, draw something to their liking, take it to any of the fabric stalls, choose a fabric and have it custom-made. But before you head out to commission a personalized tuxedo, be aware of the following things: