Print right out of the box - no print sheets profiles, no tinkering, no Live Adjust Z!.Fully automatic first layer calibration thanks to the Load Cell sensor.Effortlessly fast and silent 3D printing. Check out the sub-20 minutes Benchy video on MK4 !.The successor to the award-winning 3D printing workhorse Original Prusa MK3.Plus, there are a ton of useful things, such as quick-swap nozzles, built-in support for remote printing and webcams, and many more. We also improved the safety features even further. It lays down a perfect first layer every time without Live Adjust Z and it has support for high-speed printing with Input Shaper and Pressure Advance. Original Prusa MK4 is built around our new 32-bit connected architecture and the next-generation extruder (Nextruder).