FULLY OPEN SOURCECreality 3D printers is working with its wonderful community of users and contributors to improve this open sourced product every day. A design culminating from some of the best and brightest minds in the 3D printing world. NEXT GENERATION TECHNOLOGYOur upgraded control board offers state of the art, 'Resume Print' technology. Should your printer suffer unexpected power outages, it will resume from the last recorded extruder position. Goodbye failed prints! The advanced MK-8 extruder's genius design greatly reduces the risk of clogging and uneven extrusion. High precision ball bearing wheels made from Delrin/POM engineering thermoplastic deliver high stiffness, low friction, and excellent dimensional stability.