There are many different companies who manufacture 3D printers. For example, Makerbot:   www.makerbot.com/, Solidoodle: www.solidoodle.com/, and 3D Systems: www.3dsystems.com/.Though there are many others, these are the most popular. Solidoodle sells the cheapest 3D printer, at only $500. MakerBot's 3D printers are more expensive, the Repicator 2X will set you back $2799. Filabot: filabot.com/, makes a device which can turn plastic in 3D printer ready filaments. These companies comeo out with a new 3D printer at least once a year, usually during CES in January.