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Hello, we are Prusa Research!

And we make more than just amazing 3D printers!

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E-Book: Basics of 3D Printing

This book will help you understand what kinds of 3D printing technologies are currently available and how they work. We will take you through the whole process of 3D printing.

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News from the blog

Our printers continue to collect great reviews and awards all around the world. Original Prusa i3 MK3/S is the best 3D Printer in the Ultimate Guide to Digital Fabrication by MAKE: Magazine and our printers also received several editor's choices and awards from respected media outlets like All3DP, PC Mag, Tom's Hardware, TechRadar, Forbes, WireCutter, Windows Central and many more!

When we weigh up the price, performance, reliability and overall product, it is highly recommended for most people to purchase because it does things so well.
– 3D Printerly Review
The preassembled version of the Original Prusa i3 MK3S is a cinch to get up and running, is easy to operate, and has a good slicing program. It produced consistently beautiful prints in our testing, with no misprints.
– PC Mag Review
Of the 11 printers we have tested over the past five years, the Prusa i3 MK3S printer has produced the largest and best-looking prints.
– THE NEW YORK TIMES REVIEW
We tested it using its default settings and found it extremely capable. Its print quality is truly exceptional and it’s an easy-to-use, straightforward machine.
– All3DP MK3S Review
The team at Prusa Research have made something special with the MK3. If you only ever own one printer, make it this one. Of course, once you buy it you will want more of them, and that's ok too.
– Windows Central Review
It is the most well-made resin printer that I have and it objectively produces the best prints.
– The Prusa SL1S redefines SPEED!

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Original Prusa i3 MK3S+

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How to Choose a 3D Printer?

Are you just entering the world of 3D printing, feeling overwhelmed by the volume of new information? Check our article on How to choose a 3D printer, which will guide you through all the basic terms and help you make the right choice according to your priorities.

Read our in-depth guide

Looking for a inspiration?

Wondering what you can print of 3D printer? Check out the Printables.com database. You will find a vast selection of toys, games, decorative items, practical things for your workshop or household, and even simple medical tools. All these models are available for a free download!

Browse Printables.com

3D Printing Case Studies

In the Prusa Stories, we showcase various examples of professional use of our printers. There are both small businesses and huge companies, museums, hospitals, filming studios…something for everyone, really, and we keep adding more!

Check out Prusa Stories

FFF vs SLA Basic Comparison

Original Prusa i3 MK3S+ (FFF printer)

Prints 3D objects by extruding melted plastic, compatible with materials such as PLA, PETG, ABS, flexible filaments and many more

Layer height 0.05 mm - 0.15 mm

Maximum print area size 25 x 21 x 21 cm (9.84 x 8.3 x 8.3 in)

Great for: prototyping, printing toys, RC models or mechanical parts

Post-processing: possible, depends on the type of used materials. Possible sanding, gluing, painting

Original Prusa SL1S (SLA printer)

Uses UV light pattern to cure layers of resin. Photo polymers are cured layer by layer to create the final object

Min layer height: 0.01 mm, recommended layer height: 0.025 - 0.1 mm

Maximum print area size: 127 × 80 × 150 mm (5 × 3.14 × 5.9 in)

Great for: prototyping, jewelry, art models, medical use (e.g. dental molds for casting)

Post-processing: easy, models can be glued, sanded and painted

GREAT USER SUPPORT

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!

UPGRADABILITY

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 with your phone or laptop. ;-)

READY TO PRINT SETTINGS

We provide high-quality print settings with the printer and we are developing our own slicing software. In PrusaSlicer you can set everything you want. It's very easy to use and we are adding new features regularly.

THE BEST ASSEMBLY INSTRUCTIONS

We didn't want to leave anything to chance, so our assembly instructions are pictured to the smallest detail. All fasteners and mechanical parts have 1:1 drawing so you can easily find them, and there is no chance of you picking a wrong one.

FUN TO ASSEMBLE

Assembling the kit is an excellent first step to the world of 3D printing. You will understand the principles of printer construction and get a huge advantage when you need to solve possible problems and replacements later.

QUALITY GUARANTEED BY JOSEF PRUSA

Prusa Research is a 3D printing company based in Prague, Czech Republic. It was founded in 2012 by Josef Prusa, one of the core RepRap developers, as a one-man startup and grows to a 600+ team now.

This book will help you understand what kinds of 3D printing technologies are currently available and how they work. We will take you through the whole process of 3D printing, starting with obtaining a printable 3D model, through the pre-printing preparations, to the final post-processing of a printed object. You will learn what an extruder is, as well as slicing, perimeters or infill. We’re going to explain the differences between commonly used materials, and how to utilize 3D printing for practical application. This book will give you a very good understanding of 3D printing and also provide you with all the basic knowledge required to start. The only thing remaining will be to buy a 3D printer and start printing!

60+ pages about 3D printing
Material guides
3D printing process from A to Z
Which 3D printer is the best for you?
…and more!

You can either purchase my e-book or get it for free by entering your email and agreeing to subscribe to my newsletter below. If you choose the first option, you will get the book for 5 USD / EUR in print form and we will not process your personal data. If you choose the second option, you will receive the e-book for free. After that, we will occasionally send you news from Prusa Research and other tips & tricks from the world of 3D printing that I think might be useful for you. Of course, you can unsubscribe whenever you want and we never send you unsolicited advertising.

– Jo Prusa

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Original Prusa i3 MK2

Specifications and features

Prusa i3 is an open source software and mechanical project. And the MK2 model gives us new interesting features.

The MK2 design is a tried and tested solution with a vertical center plate that is the base for the Z and X axes and M12 guide screws. This design allows for a working space of 250 mm wide, 210 mm deep and 200 mm high. nine0005

The model is printed on the heated table MK42. This solves most adhesion problems. This table has good rigidity, so you don’t have to invent a bicycle and install some kind of heat-resistant glass surface on top. In addition, the top of the printing table is covered with a thin PEI film. Thanks to this, fingerprints will not remain on it. The table heats up and cools down very quickly. If you're printing with PLA, the platen heats up at about the same speed as the extruder. nine0005

In addition, the MK42 table has zones with different heating characteristics. Due to this, such an unpleasant moment as more intense cooling at the corners of the table is compensated (the fact that the table has different temperatures from the edges to the center has a bad effect on printing 3D models from high-temperature plastics with a large contact surface).

The Original Prusa i3 MK2 has an E3D v6. 1 all-metal extruder. This means that you can use almost any material for 3D printing: PLA, ABS, PET, nylon, wood-based materials or brass particles. If you want to experiment with carbon, you can put a hardened nozzle. If you need precision, you can install a nozzle with a diameter of 0.25 mm. In fact, the print quality with the original nozzle is excellent, but you can't help but notice how much flexibility the E3D v6.1 gives you. nine0005

An inductive sensor is located next to the extruder. In my opinion, such a solution should be implemented in all modern 3D printers. This inductive sensor is easy to set up, operates directly from 5V, takes up very little space.

The sensor performs several tasks. First, the virtual mesh of the 3D printing table is corrected. Due to this, even if there are small deformations, they are included in the extruder movement program. Secondly, if you have built the original Prusa i3 MK2, it has special calibration spots on the print table. Thanks to these calibration sections, the X and Y axes are automatically calibrated and small deviations, which are bound to occur during assembly, will also be compensated. nine0005

By the way, in many reviews of this 3D printer model, for some reason the last moment is missed. Well, it calibrates itself, and it's great ... But! Automatic calibration technology using calibration squares was not just developed by the Prusa Research team. Since it's open-source, this technique has become part of the Marlin firmware and now anyone can use it!

In most cases, you will interact with the Original Prusa i3 MK2 via an inconspicuous LCD control panel. In our opinion, the handle with the wheel looks amazing! In addition, the handle is very comfortable to use. Yes, this seems to be a trifle, but in fact, it is precisely such trifles in total that make a 3D printer as a whole better and more convenient. And it is the little things that distinguish a quality product from a quality fake. nine0005

Using the LCD screen, you can start calibration, feed media. And it won't be running simple scripts. If something goes wrong, such as the heating elements don't respond with the correct signal or the sensor doesn't send a signal at the expected distance, the Original Prusa i3 MK2 will not continue in "self-destruct mode"

During operation, the heating systems are protected by the Ultimachine Mini Rambo . On the opposite side of the frame is a power supply without a cooler. During operation, it is hot to the touch. nine0005

It is very convenient that the power supply has a special cover on the side of the connectors. You do not have to worry about connecting individual wires, just connect the power cord to the IEC fuse connector, and the other side of the cable to the Mini Rambo motherboard. This is amazing! The frame is also grounded using the power supply.

Another interesting innovation concerns wires. Among the wires that go to the extruder and the heated table, 3 mm nylon thread is mixed in, which prevents them from tangling and bending. In our opinion, a very interesting and elegant solution to the problem with wires. nine0005

Assembly and print quality

If you decide to assemble the Original Prusa i3 MK2 yourself, you need to set aside five hours. There is a high-quality video of the complete assembly and launch of this model, which was recorded by Thomas Sanladerer (the author of the original English review, by the way). On the video, the assembly took more than 5 hours, but you also had to spend time on entertaining the audience ;).

The manual covers each assembly step, the automatic calibration process. Although the quality of the photographs in the printed version is not the best, you can find the same instructions online. There, the images are stored in excellent quality. nine0005

Two 3D printers were ordered for the review. One fully assembled and the second as separate parts for self-assembly. Unfortunately, the assembled printer arrived with minor damage. Apparently, the table latch broke and as a result the LCD case was damaged. I printed the new case myself, but in fact, if such a situation arises, Prusa Reseach will send you a new part under warranty without any problems.

After assembling the Prusa Kit, it turned out that they work exactly the same. In fact, if it weren't for damage in transit and slight differences in frame color, they could only be distinguished by the serial number. nine0005

Each printer comes with a test program. And the quality is really amazing!

The dragon pictured below is the first piece printed on the assembled Original Prusa i3 MK2. Printed through a cloud service, without installing software on a PC. There is simply nothing to complain about!

But what's the point of a quality test print? After all, we are counting on excellent printing of our own, not test 3D models. Well, Prusa Research provides all the necessary programs for installation on different operating systems: Windows, Mac OS. If you are using GNU/Linux, there are separate instructions for installing the required packages. The software contains all the necessary drivers, pre-configured slicer, printer host, Netfabb installer, tools for color printing. nine0005

I would like to consider drivers separately. When you connect Original Prusa i3 MK2 via USB, it connects via serial port. So you can use it from PC, Raspberry PI, Octoprint or other cloud based 3D printing solution. There is full support for Windows 10 (most likely Windows 8.1 as well), so you can use the integrated Builder app to print directly from professional CAD programs like Solidworks.

This is really cool, and apart from 3D Systems and Stratasys, no other 3D printer provides such a wide range of possibilities. In general, if you become the proud owner of an Original Prusa i3 MK2, you can use any Windows application that supports direct 3D printing. Very, very comfortable. nine0005

Naturally, you can use the traditional methods of exporting your model to an STL file and processing it in a slicing software. Slicing software Slic3r with ready-made settings is included. This version has some features and modifications compared to those available for official download.

It has a full profile with settings for a 3D printer, for different layer heights, nozzle sizes and a whole range of 3D printing materials - from standard ones like PLA, ABS, PET to Taulman T-Glase or Bridge Nylon. All the materials we tried to work with gave excellent 3D printing results (if, of course, you choose the right settings). nine0005

If you prefer to work with other slicing programs such as Cura or Simplify3D, you can download ready-made profiles with printer settings from the official Prusa website.

In our opinion, the availability of ready-made settings for different slicing programs is a huge plus. After spending half a day or more building a 3D printer, having fun with settings and messing up the first 5-10 models is not the most inspiring thing to do. And thanks to ready-made configurations, you can set up your usual software in one click and get excellent quality 3D printing on the Original Prusa i3 MK2. nine0005

You will only have to play with the settings if you are using a really unusual material for 3D printing.

Let's now move on to the software part. The software for the Original Prusa i3 MK2 is constantly being improved and if you use Slic3r you will see notifications about the possibility of updating the firmware. After tuning, we were offered some updates that should improve performance, but to be honest, the difference is not noticeable.

One of the coolest features is color printing. Even though the Original Prusa i3 MK2 prints in one color, the development team has included some features to implement color 3D printing (by changing the material in the extruder). You can set up color printing using the LCD controller or by adding G-code coordinates, after reaching which the 3D printer will prompt you to change the material in the extruder.

Original Prusa i3 MK2 - the perfect 3D printer?

Yes, we can say that the testing of the Original Prusa i3 MK2 showed that it is indeed a very good 3D printer. But do not forget that although this is a very successful, but still an ordinary FDM printer, which has certain limitations inherent in the technology of layer-by-layer deposition modeling. nine0005

There was an example of bad 3D printing. But in defense, we can say that the model is already complicated and at the same time was reduced relative to the base dimensions. As a result, the transitions were too sharp and you can see the result in the photo below.

While the Original Prusa i3 MK2 is running, you can choose between "power" or "silent" mode. The failed model was printed in quiet mode (this mode is really quiet. The loudest part is the working cooler to cool the model). Perhaps printing in powerful mode would be better. But if you use the powerful mode, being in the same room with a 3D printer is not comfortable. nineThe 0005

Original Joseph Prusa i3 MK2 is $845.79 (self-assembled) or $1,087.79 (assembled). Although not the most "advanced" mainstream model, it is in many ways superior to its counterparts and even the most innovative models. At the same time, some fundamentally new and really useful features have been implemented.

Original Prusa i3 MK2 prints great right from the start, without the need for tedious manual adjustments. Probably, this is really one of the highest quality open-source 3D printers today. nine0005

RepRap Prusa i3, reviews and customer reviews.

The third version of the i3 3D printer from Prusa received a more rigid frame and became easier to assemble. It is designed to print all kinds of plastic.

Here, as in other Prusa RepRap printers, a modern E3D extruder is used. The printer is equipped with an LCD display with a standalone function that allows you to work with it without using a computer. The necessary parts for assembling the printer can be purchased separately or as a ready-made kit that contains all the necessary tools for assembly and detailed instructions. nine0005

AliExpress
Hobby
Made by hands

Tronxy P802MHA Large Black 3D Printer

I must say that I approached the choice of a 3D printer with all possible irresponsibility. Namely, having read all sorts of horror stories about customs and alignment (more about alignment), I was guided by models that had automatic print head alignment. nine0005

This is the first one. And the second issue on the agenda was delivery, which, as they were afraid, could be a problem. So it's no surprise that I was overjoyed when I discovered that some sellers on Aliexpress ship "from Russia to Russia". In fact, of course, no: they just somehow transport goods to the nearest Russian city, and from there they send them out by forwarding companies.

Prussa 3d printer

Original Prusa 3D printers directly from Josef Prusa

Our 3D Printers

New on e-shop

Prusament Resin Tough Classic Red 1kg

Official Printables.com T-shirt (L)

Prusament PETG Matte Black 1kg

Original Prusa i3 MK3S+ Kit Enclosure Bundle

Prusament Resin BioBased60 Magma Red 1kg

Prusament Resin BioBased60 Natural Yellow 1kg

Price quote request

Bestsellers

Original Prusa i3 MK3S+ kit

Original Prusa i3 MK3S+ 3D printer

Prusament PETG Prusa Galaxy Black 1kg

Double-sided Textured PEI Powder-coated Spring Steel Sheet

Original Prusa MINI+ Semi-assembled 3D Printer

Prusament PLA Prusa Galaxy Black 1kg

Prusament PETG Prusa Orange 1kg

Original Prusa Enclosure

Spring Steel Sheet With Smooth Double-sided PEI

Prusament PETG Jet Black 1kg

Prusament Resin Tough Prusa Orange 1kg

Prusament PLA Galaxy Silver 1kg