Geeetech A30T Large 3D Printer supports ABS/PLA, delivers mix-color objects and greatly enriches your 3D printing life. Keeping the good performance of Geeetech 3D printers, it aims to provide users with quality printout and satisfactory printing experience. ✔️Large build volume as 320mm *320 mm *420 mm ✔️0.1mm printing accuracy, which delivers objects with smooth surface, clear angles and strong structure ✔️filament detector and break-resuming capability ✔️well-designed extruder ✔️The V-shaped wheels and rails on each axis ✔️ Heatbed is 3mm aluminum plate + 0.4mm mylar sticker platform ✔️Control board supports auto-leveling, an optional add-on, save the time of manual leveling.