Traditionally, systems and embedded software developers have had to use Model-Driven Development (MDD) and Model-Based Design (MBD) environments separately, relying on manual methods to pass information between them for system design, verification, implementation, and test. Now, a potent combination of these best-of-breed solutions can benefit users with an environment that covers the complete life cycle, as demonstrated by a recent project where the two tool environments together helped develop the control unit system and software for a state-of-the-art stretch blow-molding machine.