3-D Printers are a Modern Engineering Marvel! In this engaging title, readers will explore the history of printers, from punch cards, dot matrix, ink jet and laser all the way to today’s 3-D printing! Charles Hull and his development of 3D layered plastic printing is featured, and a colorful infographic shows how a 3-D printer works. See the benefits of 3-D printing such as custom prosthetics and orthodontics! A timeline, a glossary, and an index supplement historical and color photos. Aligned to Common Core Standards and correlated to state standards. Checkerboard Library is an imprint of Abdo Publishing, a division of ABDO.