The guy who designed these has a webpage here: http://www.math.drexel.edu/~ahicks/ http://www.math.drexel.edu/~ahicks/. One of the links on the page lead to mor

The guy who designed these has a webpage here: http://www.math.drexel.edu/~ahicks/ http://www.math.drexel.edu/~ahicks/. One of the links on the page lead to more information on the design of the mirrors.