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Prusa Research Original Prusa i3 MK3S 3D Printer Kit

$1,129.99 $1,149.99

The Original Prusa i3 MK3S is the successor of the award-winning Original Prusa i3 MK2 and MK3 3D printers. With the rebuilt extruder, a plethora of sensors and the new magnetic MK52 heatbed with replaceable PEI spring steel print sheet we believe that we've developed our best 3D printer yet!  

BONUS:

Now comes with FREE gummy bears and FREE 1 kg spool of Prusa Research filament (Prusament) and a $50 coupon for our monthly “How to Build a 3D Printer” workshop. Amazing!!!!

  

But the new MK3S is even better! With the rebuilt extruder, a plethora of sensors and the new magnetic MK52 heatbed with replaceable PEI spring steel print sheet we believe that we've developed our best 3D printer ever!

This listing is a DIY KIT for self-assembly.

The most significant new features of Original Prusa i3 MK3:

REMOVABLE HEATBED

The new MK52 Magnetic HeatBed holds a replaceable alloy spring steel sheet with a PEI surface. You can choose between two types of sheets - smooth PEI sheet (default option, already available) and textured powder coated PEI (this will be available later). 

FRAME STABILITY

With the MK3 we are introducing the reworked Y axis from aluminum extrusion. It provides the same rigidity as some other printers while providing the sleek look of our milled Dural frame. The frame is also optimized to add 10 mm of Z height totaling at 210 mm.

SILENT & FASTER PRINTING

Thanks to the new Trinamic2130 drivers and Noctua fan, the MK3S is extremely quiet in the stealth mode. But the MK3S is quieter than 99 % of the available printers, even in the Normal mode. In normal mode, we have also increased the printing speed. Now you can achieve more than 200 mm/s!

POWER PANIC

Have you ever tripped over the extension cord and lost a 20-hours print? MK3S will save you! The printer can fully recover from the loss of power. It detects power interruption and shuts down the heatbed and extruder heating. After restoring the power, you can continue with printing.

FILAMENT SENSOR

Our optical filament encoder detects the presence of a filament and its movement. The MK3S can recognize, that filament is running out, pause the print and ask the user to insert a new spool. It can also detect stuck filament and offer the user an option to clean the nozzle.

RECOVER SHIFTED LAYERS

The new EINSY RAMBo motherboard with Trinamic drivers not only makes the MK3 silent but it also can detect skipped steps and layer shifting. This is a big step forward in the reliability of the printer and the user comfort. You can say goodbye to ugly prints!

BONDTECH EXTRUDER

The extruder has now upgraded with Bondtech drive gear. It grips the filament from both sides, increasing the push force and making the printer more reliable. This is useful especiallyfor flexible filaments. Also, the print fan now cools part from two sides, increasing the overall performance.

P.I.N.D.A. 2 PROBE

MK3S has two new thermistors. The first one measures ambient temperature on the electronics, preventing MINTEMP errors in rooms with 15°C or less. The second one is embedded in the new P.I.N.D.A. 2 probe to compensate for temperature drift. So the first layer will always be spot on!

E3D V6 NOZZLE

E3D V6 is market-leading all metal hotend well known for its high-temperature performance. The MK3 utilizes a custom heatbreak developed together with E3D. The reliability has proved in our Multi Material upgrade and continues to deliver great performance in surprisingly small form factor.

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