FDM: A type of 3D printing process whereby objects are built up in layers from melt depostion of plastics called filaments. : Some of the most important aspects are fairly affordable pricing for its products, and the passion for achieving the perfect non-GUI designs. DLP: It also uses Digital projector for setting resin and it possesses dependable image resolution and faster printing speed. SLA: In thermosetting, a liquid resin with the help of laser and this process has a very high degree of accuracy and can make clones of complex formations.