Original Prusa MK4S 3D Printer kit, Removable Print Sheets, Beginner-Friendly 3D Printer DYI Kit, Fun to Assemble, Automatic Calibration, Filament Sample Included, Print Size 9.84 x 8.3 x 8.6 in
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Availability:
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Thursday, Oct 30
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Model: MK4S-KIT-PEI
Features
- With automatic calibration, always-perfect first layer, one-click printing and many other useful features, the MK4S is the best choice for your home, workshop, or company. All print profiles and configurations are in-house tested ensuring that the MK4S effortlessly delivers top-quality 3D prints at a press of a single button from the very start.
- With automatic calibration, one-click printing and an always-perfect first layer, the MK4S is the best entry into the world of 3D printing. Its open design, the result of more than 10 years of evolution, ensures easy maintenance, upgradability and great accessibility. Plus, a detailed handbook guides you through every aspect of the MK4S. When you get the assembled printer, simply take it out of the box, plug it in and once it finishes the automatic calibration, you can start printing right away
- This listing is a DIY KIT for self-assembly; We also offer a fully built and tested 3D printer.
- The printer includes a Free sample of Prusament PLA 2x25 g; Prusa Research offers lifetime technical assistance and 24 hours professional customer service.
Description
The MK4S is the latest iteration of our flagship 3D printing workhorse. Easy to set up and run, with top-class reliability and safety features, the MK4S delivers the highest quality 3D prints faster than ever. Designed and built in the EU.
Brand: ORIGINAL PRUSA
Material: Metal, Plastic
Color: Black Orange
Product Dimensions: 19.6"D x 15.7"W x 21.6"H
Item Weight: 7 Kilograms
Product Dimensions: 19.6 x 15.7 x 21.6 inches
Item Weight: 15.4 pounds
Item model number: MK4S-KIT-PEI
Date First Available: January 26, 2025
Manufacturer: Original PRUSA
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Oct 30
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Model: MK4S-KIT-PEI
Works great and buying this printer as a kit did save some money but note that I found it a challenging assembly. I have built quite a few computers but this was more difficult. At the end I wondered whether the saving was worth the frustration. Getting the tension right on drive belts takes much more fussing around than just screwing in a board or a drive. In several places some assembly required awkward reaching around the printer. The step by step directions were good and the comments inserted into the guide by other users were sometimes essential - when the wording in the online guide was not as clear as it could be. Clever idea to include such comments. I added my own when I thought I could contribute. I also used their online 24/7 chat to get help a couple of times when I could not figure out why I could not get the printer to pass a calibration test. It turned out that i had not noticed that one of bearings had slipped out of position. Only thing negative I can think of is that the power cord did not fit very well and could become loose - which would turn the printer off! Fortunately, I had a compatible cord from an old computer and it fits perfectly. I guess I could have tried filing their plug down so it would fit better but easier to just swap cables. I have now printed a number of things starting with the easy to use PLA filament. My first try with the TPU (FLEX) filament was not so good but they do warn you of possible difficulties with that kind of filament.
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Reviewed in the United States on July 18, 2025 by PJ-Jim
Model: MK4-KIT-ORG-PEI
When it comes to 3d printing I'm at most a hobbyist. This Prusa MK4 is my first 3d printing experience of any kind, and the last few months have been a learning curve. I don't expect to add much to the slew of enthusiasts who will critically analyze the performance characteristics of the printer, so these remarks will be limited to only what I think might be helpful for someone of a similar perspective. Kit vs. assembled? - Kit all the way! - This is more than just "some assembly required". Every wire, every screw, every reducible part, must be put together. It took hours spread across three or four sessions to get it fully together. - If I hadn't put it together myself, I would have far less understanding of how it works. If anything ever needs to be repaired, or if I ever want to upgrade or accessorize, having a good foundational knowledge from assembly will be helpful. - As a novice, seeing the parts, many of which are 3d printed, and how they fit together gave me insights that are helpful in designing my own 3d models. Thoughts on the kit: - It is impressively well coordinated and documented. Hundreds of parts, and every one was present in the right bag, with the right quantity. - It takes attention to detail. All the stuff is there, but it's up to you to make sure it ends up square, appropriately tight, everything completed. The printer itself: - Works well once assembled. Easy to learn. No issues with leveling. - A bit noisy if you're sharing space with it, but not obnoxiously so. - I've successfully printed a few dozen things in PLA, PLA+, and PETG. I prioritize quality over speed. I've been happy with the results in most cases. The software: - The main program you'll be using is called "PrusaSlicer". - PrusaSlicer has a fairly steep learning curve, though many of the more complex configurations are hidden behind mode settings "Beginner", "Normal", and "Expert". You'll want to dig into the advanced modes, because much of what's needed to get good quality prints, like seam settings, painted supports, and so on, are only available in the more advance modes. - The help links don't always point to the right webpage, but it's usually possible to find what you're looking for with a little searching. Thoughts on 3D printing in retrospect: - Expect limitations. I very quickly discovered that 3D printing is not precisely the ability to easily make plastic parts and shapes. You're dipping your toe into a space that has spawned entire industries and branches of science. It doesn't "just work". - 3D printing one method (out of many) of making plastic shapes, and a method that comes with significant limitations. It's not food safe. It's not watertight. It's fairly heat sensitive. As a rule, everything you print will be solid colors. - If you do end up wanting to print something really specific and can't find a pre-existing model, you'll need to learn 3D modeling software, and that is its own whole can of worms. - Check out Tinkercad, move on to Autodesk Fusion. Take tutorials. Strategies: - Dive in and learn stuff. You will need Expert mode. You will need to learn 3D modeling. - It's not all about the plastic. Filament will only get you so far. Eventually you need to think about screws and anchors, motors, bearings, magnets, and epoxy. Your printer isn't made only from plastic parts, and if you want to do serious and interesting things with it, you'll need to think bigger as well. - The world doesn't need more cutesy plastic animals and phone stands. It needs more people capable of genuine creativity. In the end, I'm glad I bought this Prusa MK4. I've accomplished some interesting things with it. The quality is excellent. More important is the philosophy of something you build yourself from different types of components, expecting that it can be repaired and modified. This sort of thinking is underappreciated in modern culture.
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Reviewed in the United States on May 14, 2025 by The Walrus
Model: MK4S-KIT-PEI
An absolute good buy. Took about two weeks to assemble in my spare time. Directions are great! Machine works very well, would buy again in a heartbeat. I cannot say enough positive things about the machine. Fun to assemble, fun to use and make different things for the grandkids. Also make odd ball parts for everyday living. Fun machine.
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Reviewed in the United States on August 27, 2025 by Bill C
Model: MK4S-KIT-PEI
This is a great product. I would suggest to be very patient and carefully read assembly instructions if you get the kit. The belt tuning (tension) app didn't work for me, but it's not necessary.
Reviewed in the United States on April 28, 2025 by Robert Taylor