da Vinci Jr. 1.0 3D Printer ~ 6&rdquo; x 6'' x 6'' Built Volume (Includes: $14 300g PLA Filament , $49 3D Design eBook, $10 Maintenance Tools, XYZmaker 3D Design CAD Software) &ndash; Fully Enclosed Design for PLA/ Tough PLA/ PETG/ Antibacterial PLA Free XYZmaker 3D design software, Free XYZware 3D printing software, Free XYZprinting STEAM 3D printing curriculum. Easy Z-offset calibration, adjust your print bed with ease on the LCD screen. No time consuming 3 knob calibration needed. The da Vinci Jr. series prints only with XYZprinting's bio-compostable, non-toxic PLA filament. The PLA filament derives from natural materials, such as sugarcane and corn starch, and has gone through various tests to ensure that it is DEHP-free and Heavy Metal-free. Build size of 5.9" x 5.9" x 5.9" and Print Speed Upgrade: Max print speed up to 100mm/second. (XYZware software must be version V2.1.12.1 or above) UL listed for the purpose of classification or evaluation with respect to one or more of the following: (1) specific risks only, e.g., casualty, fire or shock, (2) performance under specified conditions, (3) regulatory codes, (4) other standards, including international standards, or (5) such other conditions as UL may consider desirable