Abstract
“Additive Manufacturing” became one of the most common words in manufacturing since 2013.
Additionally, the technology is familiar not only in manufacturer community but even in public as “3D
printing” since then, and expectation to this technology is expending rapidly and dramatically. In this
paper, principles of those categorized by “additive manufacturing” are roughly explained. Advantage
and drawback of these technologies behind the recent big boom is described followed by their
characteristics and potentials.
