fdm 3d printer kit pyramid a1.1 titan direct drive, silent mainboard, resume printing, 3.5 inch lcd touch screen, upgradable to bl touch, 12" x 12" x16" for creative artist, diy designer & school use fasttobuy toauto company offer one stop smart customized 3d printing solutions for creative makers and artist. <br>product features: <br>tcm2208 industrial grade noiseless chipset, more accurate, fast and safe printing. <br>it has been upgraded to titan direct drive , and available to upgrade to bl-touch leveling sensor by your extra.<br>printing stability: three contact sensor terminal stops are set on the xyz axis, respectively, to synchronize the dual z system. <br>double z-axis: double motor + double screw + double z-axis limit switch to ensure the stability and flatness of the printing platform <br>filament detection that detects the filament end and sent reminder to avoid air-printing <br>resume printing: resume after the power outage, it can continue to print from the last position. <br>3.5-inch touch screen for more intuitive control. with an integrated operating system and user-friendly touch screen, you can directly pause or resume a print job, change the filament, or adjust the print speed and temperature. <br>used new extrusion nozzle, excellent heat dissipation, fast heating, smooth discharge, and no plugging, up to 260° <br>rapid heating:fast heating thanks to its efficient power supply, only 5 minutes to heating the hotbed and nozzle. cooling system with high-speed <br>turbofan: it can improve the forming effect, <br>the printer has a built-in thermal runaway protection function, which exceeds the warning temperature and automatically cools the machine. <br>specifications <br>printing size:300*300*400mm <br>printing speed: less than 180mm/s, narmal 30-60mm/s <br>precison:±0.1mm <br>layer thickness: 0.1-0.4mm <br>nozzle diameter: standard 0.4mm <br>nozzle number:3 <br>hotbed temperature: less than 110 degree centigrade nozzle temp:260 degree centigrade <br>working mode: online or sd slot offline printing file format: stl/obj/amf slicing software: cura/repetier-host/simplify 3d operation system: mac/linux/windows xp/vista/7/8/10