Mechanical Engineering: CAD, 3D Modeling, Mechanical Design, Prototyping, Materials, Engineering Analysis, Fluidics and ink-delivery systems, Print-system design and print quality, SolidWorks, Creo/ProEngineer and AutoCAD. Hardware Engineering: Hardware Design, Circuit Analysis, PCB Development, Hardware Testing, Debugging, Electronics, Industrial controls, including Siemens and B&R, Visual Studio, C# and hardware controls System integration and lifecycle validation.