Cotter, Caleb: - Caleb Cotter works at Printrbot as an R&D Specialist. Hes a maker with a passion for 3D printing and rapid prototyping. Hes fascinated with the world of opportunity in which you can make anything on your desk. When hes not in his garage hacking up stuff, hes still in his garage hacking up his car. On the rare occasion hes not making anything, hes out exploring or getting into trouble with friends.