Mr. Sanderson's pneumatic structure. Designed using software, built to specs and it holds air! In Mr. Sanderson's Design and Drawing for Production class, Kaylee Streeter, Dominik Cook, and Hayden Albro designed and built additions to the pneumatic structure. All of the plastic panels were welded together using plastic welding techniques, and the structures were designed using CAD software. the entire structure was kept inflated with a single fan, and air-locks were used to make each "room" section discrete.