Certified Bath Designers (CBD) are trained and competent in all aspects of Bathroom design. They can create room design drawings and room layouts for most any size or style of bathroom. They can help you select appropriate plumbing and other fixtures, fittings and even decorating materials. They can also create plumbing and electrical drawings for a contractor. Because they focus on design, you might want to try to interview more than one certified bath designer to ensure that your design ideas are compatible.