Lydia Sloan Cline has been using Autodesk products since AutoCAD version 1.0 was released. She went from plotting her ideas on a flatbed table with pens in robotic arms to sketching them with modeling software and 3D printers. Lydia works for architecture firms, teaches college, and judges competitive technology events. She is the author 3D Printing with Autodesk 123D, Tinkercad, and MakerBot and other books. Lydia teaches Autodesk 123D and MakerBot classes for Johnson County Community College.