Alex Schreyer is a Senior Lecturer II and Director of the Building and Construction Technology (BCT) program at the University of Massachusetts (UMass) in Amherst, MA. He teaches courses in BIM (Building Information Modeling) and 3D modeling, building materials and construction methods, wood properties, 3D printing, as well as a capstone graduate structural design class in the M.Arch. architecture program. Mr. Schreyer is the author of “Architectural Design with SketchUp”, which provides a beginner- to intermediate-level overview of various techniques to “do more” with Trimble SketchUp. He is also co-author on the widely-used reference and textbook “Fundamentals of Residential Construction”, which provides a complete overview of the materials and methods used in single- and multi-family residential construction.