Learn about cyanotype photography with photographer Zach Hoffman and make your own prints! Cyanotype is a photographic printing process that produces a cyan-blue print. Originally developed in 1842, engineers used the process well into the 20th century as a cost-effective way to produce copies of drawings, known as blueprints. Please RSVP at belgradelibrary.org so we know how many people to expect! Learn Local programs are sponsored by the Belgrade Area Community Foundation.