R. L. Astheimer is a 3D CAD expert and Model-Based Definition (MBD) Instructor. Her in-depth experience with major CAD systems, including CATIA V5, NX, and Creo, filters into her instruction style at Purdue University, where she is a Continuing Lecturer training both undergraduate and industry professionals in CAD design, MBD, PDM, and PLM. Ms. Astheimer has a Bachelor of Science in Mechanical Engineering, a Masters in Software Engineering and holds a Technologist Certification as a GD&T Professional by the American Society of Mechanical Engineers (ASME).