The Original Prusa I3 MK3 is the successor of the award-winning Original Prusa i3 MK2 3D printer. 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!
This is a fully assembled printer. If you're looking for DIY KIT, you can find it here.
We have temporarily disabled new orders of printers with powder-coated sheets until all orders from long-waiting customers will be shipped. More info
Leadtime for new orders: 4 weeks, new orders in early February 2019 (help.prusa3d.com/shippingtable)
Warning: Last items in stock!
The Original Prusa i3 MK3 is the "Best 3D printer" according to All3DP.com and MAKE: Magazine, where MK3 also received "Editor's Choice" as the highest-rated 3D printer in 2019 Digital Fabrication Guide. The MK3 features a rebuilt extruder, numerous sensors, and various smart features. Plus, a new magnetic MK52 heatbed with replaceable PEI spring steel print sheet. Dozens of various tweaks and upgrades improve the reliability and ease of use. MK3‘s functionality can be further expended with the unique Multi-Material Upgrade 2.0 addon for printing with up to 5 materials simultaneously.
But the new MK3 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
The most significant new features of Original Prusa i3 MK3
The new MK52 Magnetic HeatBed holds replaceable alloy spring steel sheet with 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).
With the MK3 we are introducing the reworked Y axis from
Thanks to the new Trinamic2130 drivers and Noctua fan, MK3 is extremely quiet in the stealth mode. But also in normal mode is the printer quieter than 99 % of the available printers. In normal mode, we have also increased the printing speed. Now you can achieve more than 200 mm/s!
Did you ever tripped over the extension cord and lost a 20-hours print? MK3 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.
Our optical filament encoder detects the presence of a filament and also its movement. The MK3 can recognize running out of the filament, pause the print and ask the user to insert a new spool. We can also detect stuck filament and offer the user to clean the nozzle.
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 for the reliability of the printer and the user comfort. You can say goodbye to ugly prints!
The extruder is now upgraded to Bondtech drive gear. It grips the filament from both sides, increasing the push force and making the printer more reliable, especially for flexible filaments. Also, the print cooling fan now cools part from two sides, increasing the overhand performance.
MK3 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 PINDA 2 probe to compensate temperature drift. So the first layer will always be spot on!
E3D V6 is market-leading all metal hotend well known for its high-temperature performance. MK3 uses a
"MK3 - highly recommended. I'm really looking forward to everything this printer does becoming standard everywhere." - more infoThomas Sanladerer
"In short. What I don't like about this printer? The rubber feet. What I like? Absolutely everything else!" - more info 3D Maker Noob
"With it's combination of useful new features, along with the reliability and quality of the prints, this is a 3D printer that, especially in the kit form, offers a great price-performance ratio." - more info GreatScott!
"Using this 3D printer has been a joy and an education. (...) The Original Prusa i3 MK3 is highly, thoroughly, and unreservedly recommended." - more info ALL3DP.com
We are an established company founded in 2009, and we work hard to help you start 3D printing as soon as possible. We are providing full 24/7 customer support with live chat and e-mail in several languages. There are also unofficial user groups on Facebook, where makers help each other. You will never be alone in the big world of 3D printing!
The kit comes along with a forum support where our ever growing community can always help, or you can even get in touch with Jo Prusa himself at the very same spot! Check out the forum and regularly updated Knowledge Base!
With 3D printing, buying a printer is just a beginning!
We provide high print settings with the printer, so you don't have to dive into complex new programs the second you finish the build. You can start printing right away, and this gives you a great head start!
These settings are great for all kinds of objects, not just for a couple of prepared showpieces. After a while, when you're familiar with the printer, you can, of course, dive into tinkering ;-)
We are developing our own slicing software. In Slic3r Prusa Edition you can set everything you want. PrusaControl on the other side is focusing on casual users, and it's very easy to use. But of course, we also have the settings for the third party slicers like Simplify3D, Cura, etc
One of the most popular features of Original Prusa i3 concept is upgradability. If you buy our 3D printer, you can upgrade it later to the new version, so you don't need to buy the whole new model every two years as you get used to for example with your phone or laptop. :-)
Upgrades are a great way not only for saving money, but also to learn about the construction of the printer's hardware. We are constantly improving our technology. A few years ago there was the Original Prusa i3 3mm which was upgradable to the Original Prusa i3 Plus 1.75mm (MK1). This printer can become MK2 and MK2S thanks to the next big upgrades and then you can go even for the latest MK3 (or MK2.5 if you wish).
Original Prusa i3 MK3
Multi-material could be your next step in the 3D printing world and MK3 is completely ready for the upgrade.
BTW: Do you know, that you can easily print soluble interface supports with
Prusa Research is a 3D printing company based in Prague, Czech Republic. It was founded by Josef Prusa, one of the core developers of the Open Source project RepRap, in 2012 as a one-man startup and grows to a 160+ team now.
The open-sourced Prusa i3 design is according to 3DHubs the most used 3D printer in the world.
Today we are shipping more than 6000 Original Prusa i3 printers per month to over 120 countries directly from Prague.
|Original Prusa i3 MK3||Original Prusa i3 MK2S||Original Prusa i3 MK3 Multi Material Upgrade|
|Build volume||25 x 21 x 21 cm | 9.84 x 8.3 x 8.3 in||25 x 21 x 20 cm | 9.84 x 8.3 x 8||25 x 21 x 21 cm | 9.84 x 8.3 x 8.3 in|
|Layer height||0.05 – 0.35 mm||0.05 – 0.35 mm||0.05 – 0.35 mm|
|Speed||200+ mm/s||100 mm/s||200+ mm/s|
|Max hotend/heatbed temp.||300 °C / 120 °C (572 °F / 248 °F)||300 °C / 120 °C (572 °F / 248 °F)||300 °C / 120 °C (572 °F / 248 °F)|
|Print surface||removable magnetic heatbed / |
PEI spring steel sheets
|heated with cold corners compensation / |
PEI hassle free
|removable magnetic heatbed / |
PEI spring steel sheets
|Number of extruders||1||1||4|
|Supported materials||Any thermoplastic including Nylon and Polycarbonate||Any thermoplastic including Nylon and Polycarbonate||Any thermoplastic including soluble supports - PVA, BVOH...|
|Special features||Bondtech gears, Noctua fan, |
extra silent Trinamic drivers
|-||Bondtech gears, Noctua fan, |
extra silent Trinamic drivers
|Filament sensor||Yes (optical)||No||Yes (mechanical)|
|Advanced sensors||4 thermistors, fans sensor, |
jammed extruder, shifted layers
|2 thermistors||Direct drive extruder, filament cutter, reduced wipe tower - wipe into infill/object, manual controls, finishing filament scraps|
|Calibration||automatic 9 points XYZ / skew axes compensation||automatic 9 points XYZ / skew axes compensation||automatic 9 points XYZ / skew axes compensation|
|Kit price||769 € incl. VAT or $749||619 € incl. VAT or $599||299 € incl. VAT or $299|
|Assembled printer price||999 € incl. VAT or $999||919 € incl. VAT or $899||-|
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