The MakerBot Replicator Z18 is a single-head 3D printer. It is optimised to print in MakerBot PLA and Tough PLA filaments, within an enclosed build chamber, making it ideal for tall and large prototypes and models. The MakerBot Z18 desktop 3D printer has a number of features designed with the user in mind, including the MakerBot Smart Extruder with automatic filament detection, an on-board camera and auto bed-levelling. Massive Build Volume: 2,549 CUBIC INCHES, 30.0 L X 30.5 W X 45.7 H CM, 11.8 L x 12.0 W x 18.0 H IN. Layer Resolution: 100 microns Material Diameter: 1.75 mm [0.069 IN] Flexible Connectivity: send print files to your 3D printer via Wi-Fi, USB, Ethernet, or with a USB drive. Control your printer via MakerBot Print or remotely with MakerBot Mobile.net