NEW FEATURES OF THE ORİGİNAL PRUSA İ3 MK3

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New Original Prusa i3 MK3: Review the Facts Here!

original prusa i3 mk3

Josef Prusa has announced the new Original Prusa i3 MK3. Review the facts on the latest and greatest desktop 3D printer from Prusa Research.

Don’t Miss: All3DP Visits Josef Prusa at the New Prusa Research Facility

When ALL3DP visited the new Prusa Research facility in Prague earlier this summer, we were given some tantalizing hints about the new Original Prusa i3 MK3 while still in development. We didn’t divulge what we’d learned because we were sworn to secrecy by Josef Prusa, the jolly bearded pope of open source 3D printing, upon risk of permanent excommunication.

Now the feline has hopped out of the sack with an official announcement from Prusa Research, we can all gab freely about the exciting news. In summary, this is a true successor to the Original Prusa i3 MK2 released just 18 months ago. The MK3 is pitched as something more than a reliability upgrade, but a new and improved desktop 3D printer which has — according to Prusa — some crazy new features.

But don’t misinterpret “crazy” for whacky experimentation. Where the previous model offered astonishing print quality for the money, the Original Prusa i3 MK3 seeks to make the discipline of fused deposition modeling (FDM) more intuitive and easier than ever before, with a plethora of sensors to alert users to potential problems and prevent failed prints.

Check out the launch video for a whirlwind tour of the features and specs:

New Features of the Original Prusa i3 MK3

Looks rather impressive, right? There’s a lot to cover, but to summarize those new features in full:

  • Filament sensor
  • Power Panic
  • RPM sensing fans and Noctua
  • Ambient thermistor and P.I.N.D.A 2 with thermistor
  • EINSY RAMBo motherboard
  • Trinamic2130 drivers with layer shift detection, faster and silent printing
  • New Y axis
  • Bondtech extruder
  • Magnetic MK52 Heatbed
  • Powder coated PEI spring steel print sheet
  • Ready for OctoPrint

The Filament Sensor uses an optical filament encoder to detect the presence and movement of of a filament. This provides early warning for when filament is about to run out, and the machine can pause the print and prompt the user to insert a new spool. It can also detect stuck filament and recommend a “cold pull” to clean the nozzle and continue the print.

Other upgrades are Power Panic, where the MK3 can recover and resume a print-job after a power loss, and a new EINSY RAMBo motherboard which is pitched as the most advanced 3D printer board currently available. How advanced is it? It can monitor power, for one, which allows for the detection of blown fuses. For another, it features Trinamic drivers which are super fast, quiet, and can detect (and correct) layer shift while printing.

Elsewhere, the Original Prusa i3 MK3 has a reworked Y axis for improved frame rigidity and an extra 10mm build volume on the Z-height. And there’s an upgraded Bondtech drive gear extruder, which grips filament from both sides to increase the push force of the filament and making it more reliable (especially for flexible filaments).

But perhaps the biggest highlight of the MK3 is the new MK52 Magnetic HeatBed, which holds detachable alloy spring steel sheets powder coated with PEI. As the sheet cools down, parts can be popped off by simply flexing the sheet.

original prusa i3 mk3 review

Original Prusa i3 MK3 Upgrades and Prices

In terms of pricing, the Original Prusa i3 MK3 is going to retail in kit form for $749. It’s predecessor, the MK2, will also remain on sale for a lower price of $599.

Unfortunately, for those owners of the MK2, a full upgrade to the MK3 is not going to be possible. This is because of the new frame and the switch to a 24V power supply.

Instead, Prusa Research are offering an MK2.5 upgrade, which offers the magnetic bed with spring steel sheet; a new extruder head with Bontech and Noctura components, and the PINDA 2 bed leveling sensor and filament sensor. The retail MK2 to MK2.5 upgrade price-tag is $199.

Once shipping for the MK3 is underway, the company also plans to release an upgrade kit for multi-material printing, including filament sensors for all 4 extruders.

Last but not least, the new EINSY RAMBo board has a special accessory header for connecting a Raspberry Pi Zero W. This is perfect for adding OctoPrint functionality to your 3D printer; Prusa Research plans to provide a special firmware distribution for wifi connectivity from the printer LCD interface.

Are you excited? We’re excited. Stay tuned for updates when we have them. In the meantime, you can visit the Prusa eShop to preorder an Original Prusa i3 MK3 Kit for $745, or an Original Prusa i3 MK3 Assembled for $999. Shipments are expected to begin in November 2017.

Image Credits: Prusa Research

original prusa i3 mk3 review

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