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Original Prusa i3 MK3S+ 3D Printer kit, Removable Print Sheets, Beginner-friendly 3D Printer DYI Kit, Fun to Assemble, Automatic Calibration, Filament sample Included, Print Size 9.84×8.3×8.3 in.

4.2 out of 5 stars 211 ratings
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Style: 3D Printer
Brand ORIGINAL PRUSA
Material Plastic, Metal
Color Silver
Product Dimensions 19.6"D x 21.6"W x 15.7"H
Item Weight 10.9 Kilograms

About this item

  • The Original Prusa i3 MK3S+ is the latest version of our award-winning 3D printers, equipped with US Power Supply and 8GB SD card
  • This listing is a DIY KIT for self-assembly; We also offer a fully built and tested 3D printer
  • Fully automatic Mesh Bed Leveling process, IR filament sensor built-in, supports filament auto-loading; Print pauses when filament runs out
  • Genuine Gates belts, Bondtech drive gears, EINSY RAMBo motherboard, and many other features are the reason why the MK3S+ is the perfect 3D printing workhorse
  • The kit includes a Free sample of Prusament PLA ~ 2x25 g.
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WARNING:

CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Important information

Legal Disclaimer

Consumable parts, such as PEI sheets (smooth, textured, etc.) are not covered by warranty as the coatings are designed to diminish over time unless failure has occurred due to a defect in materials or workmanship. Cosmetic damage, including but not limited to scratches, dents, cracks, or other cosmetic damage is also not covered by the warranty. Only defective sheets on arrival are covered by warranty.

Product Description

The Original Prusa i3 MK3S+ is the latest version of our award-winning 3D printers. We have upgraded the MK3S with a new SuperPINDA probe for improved first layer calibration, added high-quality Misumi bearings and various useful design tweaks to make the printer easier to assemble and maintain. The MK3S+ includes all the proven features of the previous models, including the heatbed with removable PEI spring steel print sheets, automatic Mesh Bed Leveling, filament sensor, power loss recovery (power panic) and safety features. And it is still as silent as ever.

What's in the box

  • 8GB SD Card, filament sample

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    Original Prusa i3 MK3S+ 3D Printer kit, Removable Print Sheets, Beginner-friendly 3D Printer DYI Kit, Fun to Assemble, Automatic Calibration, Filament sample Included, Print Size 9.84×8.3×8.3 in.
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    PriceCurrently unavailable.-20% $816.44
    Typical: $1,021.10    		$1,299.00-11% $399.00
    List: $449.00    		$1,999.00
    Delivery—
    Get it as soon as Friday, Jul 11
    Get it as soon as Wednesday, Jul 9
    Get it as soon as Wednesday, Jul 9
    Get it as soon as Wednesday, Jul 9
    Customer Ratings
    4.24.2 out of 5 stars211
    4.04.0 out of 5 stars58
    4.54.5 out of 5 stars11
    4.44.4 out of 5 stars373
    4.24.2 out of 5 stars585
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    Product information

    Product Dimensions 19.6 x 21.6 x 15.7 inches
    Item Weight 24 pounds
    ASIN B07FTHMPSQ
    Item model number PRI-MK3S-KIT-ORG-PEI
    Customer Reviews
    4.2 out of 5 stars 211 ratings

    4.2 out of 5 stars
    Best Sellers Rank
    Is Discontinued By Manufacturer No
    Date First Available February 22, 2020
    Manufacturer PRUSA

    Warranty & Support

    Product Warranty: For warranty information about this product, please click here. [PDF ]

    Feedback

    Original Prusa i3 MK3S+ 3D Printer kit, Removable Print Sheets, Beginner-friendly 3D Printer DYI Kit, Fun to Assemble, Automatic Calibration, Filament sample Included, Print Size 9.84×8.3×8.3 in.

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    Customer reviews

    4.2 out of 5 stars
    211 global ratings

    Review this product

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    Customers say

    Customers find the 3D printer produces great quality prints and functions well, with one customer noting it works particularly well with Mosaic P3P splicer. The assembly process receives mixed feedback - while the manual is great, customers report it takes about 10 hours to complete. Customers consider the printer worth its price and appreciate its upgradeability options.

    Select to learn more

    Print qualityFunctionalityValue for money
    23 customers mention "Print quality"17 positive6 negative

    Customers praise the 3D printer's reliability and great prints, with one customer specifically noting good results with PLA filament.

    "Great printer" Read more

    "...B. Probably the single most reliable printer I've ever owned. Scratch that... Definitely the most reliable printer I've ever owned...." Read more

    "...A few failed prints but I'm willing to bet that's more me not knowing the limits of a 3D printer than actual faults of the printer..." Read more

    "...Overall, this is an incredible printer. Even though I paid a markup to get it sooner, I'm extremely happy with the final result...." Read more

    11 customers mention "Functionality"9 positive2 negative

    Customers find that the 3D printer functions well, with one customer specifically noting its compatibility with the Mosaic P3P splicer.

    "...The printer works great and I don't really have to sit there and watch it or be worried about it not finishing a job...." Read more

    "...Running just fine with PLA (Haven't tested other materials yet), overall no complaints...." Read more

    "So, the product itself is overall good. I chose to assemble for two reasons: Save money, Get familiar with my new 3D Printer...." Read more

    "...It all worked flawlessly after assembly, but final tuning of the print head Z offset (Live Z) had me confused...." Read more

    5 customers mention "Value for money"5 positive0 negative

    Customers find the 3D printer worth its price.

    "...I think these printers are worth $700 but $900 + tax for you to also assemble is quite a lot...." Read more

    "...I chose to assemble for two reasons: Save money, Get familiar with my new 3D Printer. The manual is ridiculous!..." Read more

    "...support, part quality, and reliability is 2nd to none and justified by the price - It just works." Read more

    "Still worth the price despite the seller's markup..." Read more

    Nice Printer, Needs simplified manual (shorter!), Helpful hints for assembly (things to look for)
    4 out of 5 stars
    Nice Printer, Needs simplified manual (shorter!), Helpful hints for assembly (things to look for)
    So, the product itself is overall good. I chose to assemble for two reasons: Save money, Get familiar with my new 3D Printer. The manual is ridiculous! It needs A LOT shorter with less pictures. There is NO time to play the gummy bear game. The pictures need to be larger, so you don't have to go online to zoom in. I've been a machinist for over 30 years and I am very mechanically inclined. When I got to the bearings, which do not seem to be of the highest quality, they were fairly quiet and smooth while sliding them over the shafts. The problem is once you tighten things up and install the bed, it is not likely to be smooth any more. I actually assembled the printer on a precision granite plate and used a height gauge to ensure all the rails were within .002" of each other and used calipers to make sure the rails were the same distance apart... and it still did not slide smoothly. My solution was to barely tighten the bearing clamps just enough to hold them in place without being loose yet give them a little 'wiggle' room. This helped a lot. It would also be nice to have a simple (short!) single page of steps to help you quickly achieve successful printing. I ended up doing trial and error and watching some videos online. A beginners video of this exact model printer using the exact included filament would be nice to have walking you through your first test prints that are included on the SD card. There are a lot of videos out there but they are either different models, using different filament, or both... Kind of hard to troubleshoot when the conditions are different. From further research after I got the printer, The printer itself seems to have "old" designs and the programmers have been very successful in fixing a lot of the previous problems via software instead of hardware changes. I like the printer but my next one will likely be a different brand unless Prusa releases a brand-new revised printer with less 3D printed parts and a way to assemble more quickly and easier while retaining tighter tolerances between the bed, bearings, and rails. This would be worth paying more to me. My first few prints were good, however, when I cleaned with 99% alcohol very carefully, the prints started lifting. I ended up picking up some acetone and so far, it seems to be holding better. I'll likely be getting a non-smooth plate to put on while printing to help as well as an option other than the smooth one included. I have achieved some nice prints and I am sure I'll get a lot of quality use out of this printer for a long time. I don't regret my purchase as the final results with a lot of hard work assembling it made it function quite well and quietly.
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    Top reviews from the United States

    • Andrew Pickett
      5.0 out of 5 stars Great
      Reviewed in the United States on May 3, 2025
      Style: 3D PrinterVerified Purchase
      Great printer
      Helpful
       Report
    • Jessica Fox
      5.0 out of 5 stars Prusa is what I need in a printer
      Reviewed in the United States on July 4, 2023
      Style: 3D PrinterVerified Purchase
      Lets start from the top.

      A. To anyone who bought this and complained about putting it together, just don't. This was a fun kit to build. It was like getting a leggo kit for a 12 year old and I giggled reading the instruction manual. Don't worry, I won't spoil the fun for anyone new buying but you definitely will smile.

      B. Probably the single most reliable printer I've ever owned. Scratch that... Definitely the most reliable printer I've ever owned. I've been using this for a month and done very little in the way of upgrades outside of a new nozzle and build plate. Only print fails I've had have been due to slicer/user errror issues. And even those were easy to fix once I figured out what I did wrong.

      C. Full metal hotend with a nozzle upgrade is *Chefs Kiss*. Can print most anything your heart desires and reliably too!

      D. Auto Bed levelling. Some people say its trash but they're wrong as can be. You can change the autobed levelling to 7 points which makes a huge array of points levelled by the PINDA sensor and honestly I've never had a base layer issue that wasn't caused by me. Just calibrate, change the offset to where it needs to be with the twist of a knob and BAM, calibrated for good.

      D. No it's not a BAMBU labs print speed but it does have a stealth mode which is super nice for those of us that have limited space and need this printer in a spot where people exist. It's way quieter than any other FDM printer I own cuz of a single switch in settings.

      E. Upgradeable. It's July 2023 which means prusa's MMU3 is about to drop and even if that weren't my next upgrade, I'd still be able to upgrade any other part of this printer with kits online. Why? Cuz I built it and the kits are easy to find.

      F. Just buy it.
      5 people found this helpful
      Helpful
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    • Terra de Verdant
      5.0 out of 5 stars It just works.
      Reviewed in the United States on February 5, 2022
      Style: 3D PrinterVerified Purchase
      Honestly I run a print farm with cheaper printers and end up spending so much time tinkering and fixing parts all day. I'd rather spend that time modeling or focusing on the business side instead of printers all the time. Everywhere you look everyone recommends these printers I've wanted to order them but couldn't really find it reasonable to wait 2-3 months for them. I finally noticed them here on Amazon and just thought it was another reseller so I hesitated. I ended up buying and contacting Prusa support through live chat and they assured me these are covered with their warranty and are directly sent to Amazon by them. I don't know about other listings but I know this one for sure is covered. I was able to register my printer serial number on the Prusa website. So if you ever have any problems as I saw a review here the guy said he had problems, you could get live support to help you fix it. It seems he attempted multiple things himself without actually getting the advice from Prusa.

      The printer works great and I don't really have to sit there and watch it or be worried about it not finishing a job. Assembly took longer than expected for me and putting the nuts through the printed parts was overall the most tedious part. I think these printers are worth $700 but $900 + tax for you to also assemble is quite a lot. I think it's only reasonable for me because I run a business and the money I'll save will end up paying for the printers in the long run. The time wait of 3 days on Amazon as well opposed to 2-3 months is also a big plus for a business.

      Overall I'd recommend this printer mostly for business. I think as a hobby printer it'll be nice but not worth the price on Amazon. I'd rather mess around with other printers and try out cool upgrades and mods if I'm doing it as a hobby.
      Customer image
      Terra de Verdant
      5.0 out of 5 stars
      It just works.

      Reviewed in the United States on February 5, 2022
      Honestly I run a print farm with cheaper printers and end up spending so much time tinkering and fixing parts all day. I'd rather spend that time modeling or focusing on the business side instead of printers all the time. Everywhere you look everyone recommends these printers I've wanted to order them but couldn't really find it reasonable to wait 2-3 months for them. I finally noticed them here on Amazon and just thought it was another reseller so I hesitated. I ended up buying and contacting Prusa support through live chat and they assured me these are covered with their warranty and are directly sent to Amazon by them. I don't know about other listings but I know this one for sure is covered. I was able to register my printer serial number on the Prusa website. So if you ever have any problems as I saw a review here the guy said he had problems, you could get live support to help you fix it. It seems he attempted multiple things himself without actually getting the advice from Prusa.

      The printer works great and I don't really have to sit there and watch it or be worried about it not finishing a job. Assembly took longer than expected for me and putting the nuts through the printed parts was overall the most tedious part. I think these printers are worth $700 but $900 + tax for you to also assemble is quite a lot. I think it's only reasonable for me because I run a business and the money I'll save will end up paying for the printers in the long run. The time wait of 3 days on Amazon as well opposed to 2-3 months is also a big plus for a business.

      Overall I'd recommend this printer mostly for business. I think as a hobby printer it'll be nice but not worth the price on Amazon. I'd rather mess around with other printers and try out cool upgrades and mods if I'm doing it as a hobby.
      Images in this review
      Customer image
      16 people found this helpful
      Helpful
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    • Zach
      5.0 out of 5 stars First 3D printer
      Reviewed in the United States on December 17, 2022
      Style: 3D PrinterVerified Purchase
      Never had a 3D printer before, so if you're looking for a super technical review then I won't be able to help.

      But... For a first time user, it really wasn't bad to build, about 10 hours in total. Instructions are good. Tools that come with it are not. Having the proper tools would have saved me a ton of time. Then after initial calibration... It's basically been running non-stop (Literally). Running just fine with PLA (Haven't tested other materials yet), overall no complaints. A few failed prints but I'm willing to bet that's more me not knowing the limits of a 3D printer than actual faults of the printer (Who knew you couldn't print plastic on thin air and expect it to stay there?)

      The display is... Dated to say the least (Looks like a LCD display from 20 years ago) but that's not a big deal. And considering that's the biggest gripe I have with the printer... Very happy with it overall. Although the display is dated, Prusa's slicing software is not... And even for a complete novice like me it's really easy to use and tweak. And the auto bed leveling is so nice, did one calibration when setting it up and it's been printing fine without any tweaking ever since.

      And the best part is... Down the line if part of the printer breaks... Most of it you can just 3D print, and Prusa will give you the gcode to do it. So you can literally have spares of every (plastic) part just sitting around in a box somewhere and it'd cost you next to nothing. And most of it... Is plastic.
      6 people found this helpful
      Helpful
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    Top reviews from other countries

    Translate all reviews to English
    • Amazon Customer
      5.0 out of 5 stars おすすめのプリンターです
      Reviewed in Japan on May 6, 2021
      Style: 3D PrinterVerified Purchase
      The media could not be loaded.
      2台目のプリンターです。
      高い商品ですが、造形の精度、安定性、使いやすさ、静音性ともに最高です。
      もう、前の半額以下のプリンターには戻れません。
      前代のプリンターは1層目の定着に苦労しましたが、PRUSAはそれが全くなく快適に印刷できます。手戻り時間、失敗によるフィラメント廃棄、ストレスを考慮すると値段ははりますが次のプリンターもこれです。
      組み立てはマニュアルを見ればできますが、3Dプリンターを全く知らない人が作るのは少しハードルが高いように感じます。
      アイロニング、印刷途中のポーズ（マグネットなどを入れるため）などの機能は独自の専用スライサーがサポートしており申し分ないです。
      この後にマルチマテリアルにアップグレードしようと画策中です。
      日本ではシェアが少ないですが、世界で１番売れているだけのことある素晴らしいプリンターです。
      Customer image
      Amazon Customer
      5.0 out of 5 stars
      おすすめのプリンターです

      Reviewed in Japan on May 6, 2021
      2台目のプリンターです。
      高い商品ですが、造形の精度、安定性、使いやすさ、静音性ともに最高です。
      もう、前の半額以下のプリンターには戻れません。
      前代のプリンターは1層目の定着に苦労しましたが、PRUSAはそれが全くなく快適に印刷できます。手戻り時間、失敗によるフィラメント廃棄、ストレスを考慮すると値段ははりますが次のプリンターもこれです。
      組み立てはマニュアルを見ればできますが、3Dプリンターを全く知らない人が作るのは少しハードルが高いように感じます。
      アイロニング、印刷途中のポーズ（マグネットなどを入れるため）などの機能は独自の専用スライサーがサポートしており申し分ないです。
      この後にマルチマテリアルにアップグレードしようと画策中です。
      日本ではシェアが少ないですが、世界で１番売れているだけのことある素晴らしいプリンターです。
      Images in this review
      Customer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer image
      Report
    • Epsilon
      5.0 out of 5 stars La mejor impresora 3D que he tenido
      Reviewed in Mexico on November 28, 2022
      Style: 3D PrinterVerified Purchase
      Llevo un par de años de haber incursionado en la impresión 3D y desde que que escuché el nombre de Prusa, esperaba algún día contar con el "Santo Grial" de la impresoras. Son caras con respecto a la media que se oferta en Amazon, pero siempre los comentarios son muy buenos. Temeroso de que fuera un clon chino decidí comprarla.

      El envío llegó antes de lo previsto, perfectamente empacada, y todo evidencia ser la original enviada desde la República Checa vía USA. De entrada, al abrir el kit, tuve cierto desencanto por la cantidad de piezas impresas en otra impresora 3D (acostumbrado a Ender que son de aluminio), sin embargo el procedimiento de ensamble, a pesar de ser laborioso, es impecable en los detalles y en la precisión de ajuste de todas las pieza. Es una extraordinaria experiencias el armado.

      Pero lo verdaderamente sobresaliente es el software de autoajuste que lleva incorporado. Desde la primera impresión, la calidad es extraordinaria. Si alguien quiere dejar de liar con temperaturas de filamentos y ajustes de camas de impresión, desperdiciando tiempo y material. esta es la mejor opción. Muy recomendable.
      Report
    • Stewart etheridge
      5.0 out of 5 stars Efficient
      Reviewed in Canada on March 23, 2023
      Style: 3D PrinterVerified Purchase
      My second printer but my first Prusa :)
      Report
    • Amfibi Kertenkele
      5.0 out of 5 stars Güvenilirlik
      Reviewed in Turkey on September 12, 2022
      Style: 3D PrinterVerified Purchase
      Bunun yarı fiyatına belki daha da azına aynı kalitede baskı veren 3d yazıcılar bulabilirsiniz. Prusa'nın size vaadettiği şey güvenilirlik, istikrar ve kullanım kolaylığı. Bir kere kurduktan sonra sürekli bebek bakıcılığı yapıp ayarları ile oynamaya çalışmadan istikrarlı bir şekilde aynı kalitede çıktılar veriyor. Step motorları, extruder'ı, sensörleri, bearing'ler vs. kaliteli olduğu için sessiz (özellikle stealth modda) ve hatasız çalışıyor. Fiyat/performans ürünü alıp her komponenti ayrı ayrı upgrade ederim zamanla uğraşmayı severim diyorsanız sizin için olmayabilir,ama bir kere kurayım, daha ilk günden kaliteli parçalardan oluşsun, hiç başımı ağrıtmasın diyorsanız Prusa.
      Report
    • mehmet ali kaya
      5.0 out of 5 stars Metatech Teşekkürler
      Reviewed in Turkey on September 6, 2021
      Style: 3D PrinterVerified Purchase
      Üründen memnunum. Sorununuz olduğunda ilgileniyorlar.
      Report