Prusa materials

Prusa materials DEFAULT

Our filament guide table includes all sorts of supported filament, divided both by material and specific manufacturers. Here, you can compare their parameters starting with physical properties and ending with a price. Filaments can be sorted up and down by clicking at selected parameters. They can be also filtered by their intended use. Read more about the material table background and making at our blog.

AllFood safeSuitable for tiny partsLow warpingHigh tenacityHeadtbed not requiredImpact resistanceChemical resistanceSuitable for mechanical partsDissolvableTemperature resistanceUV resistanceFlexible or bendableSupport materialComposite




210 - 215 °C

60 °C




230 - 270 °C

90 °C

with glue stick




270 °C

110 °C

with glue stick




260 - 265 °C

95 - 110 °C

with glue stick




240 - 255 °C

110 °C

with glue stick




270 - 275 °C

115 °C

with glue stick

with glue stick




275 °C

90 °C

with glue stick




195 - 215 °C

60 °C




220 °C

110 °C




220 °C

100 °C

not recommended

with PP tape




230 - 260 °C

50 - 85 °C

with glue stick

with glue stick




240 °C

90 °C

with glue stick




250 - 270 °C

75 - 90 °C

with glue stick

not recommended

with glue stick




240 - 285 °C

75 - 110 °C







190 - 220 °C

60 °C




215 °C

75 °C

not recommended


All articles

  • PETG


    Basic info PETG is one of the most easily printable materials, it is inexpensive and suitable for beginners. Relatively high tenacity and temperature resistance make it suitable for printing technical parts ...

  • ABS


    Basic info ABS is a technical material suitable for printing mechanically stressed parts, thanks to its high tenacity and temperature resistance. Its surface can be smoothed with acetone. The main disadvantage ...

  • PLA


    Basic info PLA is one of the easiest materials to print. It is inexpensive and suitable (not only) for beginners. It’s usually used for printing detailed models, figures, and quick prototypes ...

  • ASA


    Basic info ASA is a technical material suitable for outdoor use, due to its high UV light and temperature resistance. Unlike other materials soluble in more dangerous chemicals, ASA can be ...

  • Flexible materials

    Flexible materials

    Basic info Flexible materials are characterized by their excellent flexibility, tenacity, and chemical resistance. These materials are relatively uncommon, expensive, and suitable mostly for advanced users due to high print difficulty.   Recommended ...

  • Polycarbonate (PC)

    Polycarbonate (PC)

    Basic info Polycarbonate (PC) is a technical material with great tenacity, tensile strength, and heat resistance. However, it’s very hard to print, therefore suitable mainly for advanced users. However, this doesn't ...

  • Nylon


    Basic info Nylon (polyamide) is a versatile material with excellent thermal and mechanical resistance. It is suitable for printing functional technical parts with high temperature and mechanical resistance requirements. However, it’s ...

  • Composite materials (filled with carbon, kevlar or glass)
  • CPE


    Basic info CPE is a material suitable for prototyping various mechanical parts. Its qualities are similar to PETG, it being odorless and its low warping. CPE has good chemical resistance, layer ...

  • NGEN


    Basic info NGEN is a material similar to PETG, but with better printability, high mechanical and chemical resistance, and a wide range of usage from prototypes and aesthetic models to high-tech ...

  1. Kenmore freezer handle
  2. Marley wallpapers
  3. Multiplication test 4s
  4. Pulix weekly ad

Prusa Research’s Amazing New Materials Table

Prusa Research has released an extremely interesting and highly useful materials table.

In the old days of PLA and ABS there wasn’t much concern about the differences between materials, but these days that world is long past and now we are deluged with all manner of different 3D printing materials. They offer a much wider breadth of functionality, but also bring with them different 3D printing parameters.

3D Print Material Choices

That can be quite confusing for many 3D printer operators, who, when faced with 3D printing a new material, may have to spend some time researching exactly how to successfully print that material.

I’ve done this myself many times. Questions like, “What is the best surface to 3D print PETG?” or “Do I need an enclosure for this material?” arise from time to time. To answer them one would do the usual Google searches, and end up reading forum post after forum post to determine what is a reasonable and likely successful approach.

That can take considerable time, and some 3D printer vendors have attempted to solve this dilemma with various forms of material database systems.

Some 3D printer vendors have partnered with materials vendors to incorporate a database of plastics with associated optimal 3D print parameters right into the slicing software. This makes things far easier and less time-consuming for the 3D printer operator.

This approach has become so successful that it is now being adopted by many leading 3D printer manufacturers, and in time this will become a standard feature that buyers simply expect.

Prusa Research, one of the more popular desktop 3D printers, had only a rudimentary materials guide previously. This was essentially a web page with narrative advice for several common materials. Useful, but not quite as integrated as found with some other 3D printer options.

Prusa Materials Table

Now that’s changed as the company has introduced a filament guide in their online Knowledge Base. It’s now more of a database view than a narrative, and offers some interesting additional functionality.

As of this writing, the database contains information on 15 different material types for 48 different filament brands. That’s a big switch: now Prusa Research is listing specific company brands as well as providing merely a description for generic material types.

Materials now include:

  • PLA
  • PETG
  • ASA
  • ABS
  • PC
  • CPE
  • HIPS
  • PP
  • Flex
  • nGen
  • Nylon
  • Carbon filled
  • Wood / Metal filled

Materials vendors include: Amazon, Esun, Fiberlogy, Hatchbox, Verbatim, colorFabb, Taulman, Polymaker, Filamentum, and many others. Of course, Prusa Research’s own Prusament brand is represented along with the others.

Each entry includes critical operational information required to successfully 3D print with it.

Information comprises not only the usual nozzle and bed temperatures, but also advice on how to configure the print bed for the specific material. Prusa Research will recommend use of either their smooth sheet or their rougher powder coated sheet, with the possible application of glue stick, window cleaner, or tape.

In a couple of cases they specifically do not recommend using a particular bed option. This is quite important, as unknowing 3D printer operators could easily damage their print sheets if they accidentally take up those configurations. And I might possibly be speaking from personal experience here.

Another interesting feature is the potential recommendation for the use of an enclosure. This is quite unusual, as the Prusa equipment does not come with an enclosure, and it’s presumed the operator is able to construct one on their own.

Critically, the table also indicates when a hardened nozzle is required, only for carbon fiber-reinforced material. Again, if someone mistakenly used the default brass nozzle, they would surely find it severely eroded by the end of the spool, and probably unusable after that. This table will definitely save someone a lot of time and frustration.

The more interesting features of the new materials table are its interactive elements.

You can, for example, filter the list of materials by poking a selection of tags at the top. You may select qualities such as “food safe”, or “chemical resistance” or more. You can combine them together, for example: Impact resistance + Chemical Resistance yields 18 different filament options.

Perhaps the most interesting feature is that for each vendor’s material option, Prusa Research provides a price. Somehow they are looking up the prices, perhaps dynamically. These prices are a very easy way for you to quickly determine the best price option for a given materials scenario.

However, it does not appear that Prusa Research has implemented a way to click through to buy each filament option. That’s likely because many of them are actually sold through regional resellers, and its hard for Prusa Research to know which one would be best for you.

If you’re using a Prusa 3D printer, this page is a very good resource.

Via Prusa Printers

How to print with transparent materials

You’ve surely noticed our brief overview of filamentsin the handbook sent with your printer. While that is still a very useful source of info for beginners, advanced users might want something more elaborate. That’s why we’ve prepared the advanced filament guide that summarizes all supported filament types found in PrusaSlicer.

Let us introduce our material table that allows you to compare the basic parameters of different filament materials and brands. This way, you can decide which filament is the most suitable for you. Clicking on the material name will open a text with all necessary information about usage, print preparation, postprocessing of that material, and photos of sample models. If you want to skip the table and get straight to those texts, you can find them here: PLA, PETG, ASA, ABS, PC, CPE, PVA/BVOH, HIPS, PP, Flex, nGen, Nylon, Composite materials, Carbon filled.

But now let’s return to the material table. It features not only basic information such as temperature, recommended print surface, and various mechanical properties, but also the price of that particular filament. For materials, these values are shown only on a scale from 1 to 5 but after clicking on the filament material, you’ll find exact values for supported brands.

To make the comparison as valid and meaningful as possible, we tested every filament by ourselves, using the same method. But keep in mind that even with our greatest effort, these values might not be 100% accurate and some datasheets might show different (more accurate) results.

If you are interested in specific filament parameters, you can filter these values. Every parameter can be sorted by clicking on it. Plus, you can filter filaments by selecting various attributes such as mechanical resistance, chemical resistance, flexibility, etc.

Long story short – with our filament guide you’ll never again hesitate whether the selected filament is suitable for your needs. We believe that it will help you avoid a lot of trouble and extra costs. Go ahead, have a look at our guide and let us know how you like it, what could we change and improve. Do you miss your favourite filament? Let us know! Your opinion will help us to maintain and improve the guide so it can be helpful for as many people as possible.

Happy printing!

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Materials prusa

Our 3D Printers

Original Prusa i3

The Original Prusa I3 MK3S+ is the successor to the award-winning Original Prusa i3 MK2/S 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!

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Original Prusa

Original Prusa SL1S 3D printer is based on the MSLA printing process. The SL1S uses a high-resolution monochrome LCD panel and a powerful UV LED array to cure thin layers of resin to achieve an unprecedented level of detail. Exposure times 1.4-2.5 seconds. Curing and Washing Machine available separately.

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Original Prusa

Introducing our new smart and compact 3D printer Original Prusa MINI+ with all the bells and whistles you would expect from the creators of the award-winning Original Prusa i3 MK2S and MK3S+! With replaceable spring steel sheets and plenty of useful features, the MINI+ is a big printer in a compact body!

Buy the kit – $349
Buy the printer – $399

Original Prusa i3
Multi material

Original Prusa i3 MK3S+ Multi Material 2S is a completely unique consumer option allowing to print with up to 5 different materials simultaneously. The enhanced version 2S (available for MK3S+) is much simpler than original MMU, which makes it easier to use and less sensitive to the quality of filament.

Buy the kit – $299

Prusa i3 for businesses
Built and calibrated

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Prusa i3 kit
for enthusiasts

  • Warranty on parts only
  • 5% discount on subsequent orders of selected filament
  • Support through our forum and live chat
  • Detailed and easy to follow assembly instructions as proven by thousands of users





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!



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.



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.



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.



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. 🙂



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.


Basics of 3D printing E-book

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!

See what's inside...

  • 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 PDF 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

I don’t agree with subscribing to the newsletter and I want to buy the book for 5 USD / 5 EUR (VAT incl).

Awards & Reviews


Thomas Sanladerer: The next "BIG" thing

"I think the MINI is a great machine, especially for the price. You won't find a more complete package of solid hardware, usable firmware, good documentation and great software under 400 bucks.”


All3DP: Editor's Choice

"This small and sturdy machine uses an excellent slicer, comes with a magnificent metal bed and, overall, gives you excellent print quality. It’s difficult to see how anyone could be disappointed with it.”


MAKE: First impressions

"Right out of the box, this thing is so impressive (...) You can get yourself pretty much what I consider to be a top-of-the-line performance printer for 350 USD.”


3D Printerly Review

"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.”


Breaks'n'Makes: One year with the MINI

"The MINI has become my favorite 3D printer of 2020 (...) it's the out-of-the-box experience: once you assemble it, there's very little else to do to it except for just slice the model and print it.”


io3DPrint Review

"Prusa have done all they can to pack the features of their best selling 3D printers into a smaller and cheaper package. The Mini may be small but it’s reliable, built to last and delivers excellent print quality just like it’s bigger siblings.”


The New York Times 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."


Stiftung Warentest: 3D Drucker Test 2020

"Test winner: Best device in the test, very versatile, can print in multiple colors. Processes almost everything there is in filament: PLA, ABS, PETG, Nylon, Flex and more." (translated from German)



"You can get under the hood and tinker with this or change that, but you don’t have to. MK3S is a printer that ‘just works’ for beginners, yet is still powerful enough for advanced use. 10/10”


CHIP (DE) review

"As the test shows, the Prusa Research Original Prusa i3 MK3S did a lot right. It is well processed, has many great features and the printing costs are very low. Especially the print quality is excellent.”


FORBES: The Best 3-D Printers of 2019

"Designers that rely on 3-D printing as part of their livelihood use Prusa printers to turn out consistent, quality results.These kits contain expertly chosen parts, with an eye on recent technological upgrades.”


All3DP MK3S 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.”


TechRadar Review

"If you're looking for your first 3D printer, you like to tinker, or you run a business and want a good reliable machine then look no further than the Original Prusa i3 MK3S. ”


Windows Central 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. ”


3D Maker Noob MK3 review

"In short. What I don't like about this printer? The rubber feet. What I like? Absolutely everything else!”



"Using this 3D printer has been a joy and an education. (...) The Original Prusa i3 MK3 is highly, thoroughly, and unreservedly recommended.”


Thomas Sanladerer: MK3 review

"MK3 - highly recommended. I'm really looking forward to everything this printer does becoming standard everywhere.”


GreatScott!: MK3 review

"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.”


Maker's Muse: MK3 review

"The smarts, the removable print surface and dependable quality make it perfect for design and prototyping.”


3D Insider: MK3 review

"It is without a doubt the best 3D printer under $1,000 (...) It offers outstanding quality for a reasonable price and comes with a truckload of features.”



Caleb from MAKE: magazine takes a quick look at our Original Prusa SL1 and CW1. Instead of doing a regular review, he is trying to answer one simple question: 'Why would you buy anything other than the absolute cheapest SLA 3D printer?'



"The Prusa Research Original Prusa SL1 3D Printer offers pure print quality and is ideal for delicate objects. It is also convincing in terms of ergonomics and workmanship and the printing costs are at a good level."



"Original Prusa SL1 is a real plug-and-play 3D printer. (..) The whole printing process is easy and generally hassle-free, which is a lot different from typical SLA printers, that require a lot of manual tweaking. The SL1 just works.”



"The Original PRUSA SL1 is an outstanding printer, not just for the price, but for usability and quality. If you're a jeweller, high-end modeller, need to prototype or are a dentist, then the SL1 is a great solution.”


Buddha statues from different materials

...and many more! We constantly add new materials. Send us tips for materials you would love to see supported 🙂


See more prints



Are you considering Original Prusa 3D printers for your classroom, school, library, university, or maker space? You can fill out the Price Quote Request.

We want to address the whole pandemic situation as responsibly as possible. Right at the beginning of the crisis, we adopted some precautions, which are going to stay in force until we are completely sure the situation is safe. We don’t want to put the printer production (or the health of our colleagues and customers!) at any risk. You can find more information about all these rules in this article.

Brief summary of the precautions currently in force:

E-shop orders cannot be picked up in person
PrusaLab is closed for the public
Printers cannot be handed over to the customer service in person (you have to send them via mail)
We don’t participate in any events or shows
All visits and tours in the company premises are prohibited

Thank you for your understanding.

Guide to 3D Printing Filament! PLA ABS PETG TPU PEEK ULTEM


A collection of PrusaSlicer profiles for a variety of materials for the Prusa i3 MK3, these are to give you a starting point on printing a new material! Or perhaps to refine a material that you are having difficulty with!

The Google sheet linked below serves as a record of which profiles were used for which specific material as well as notes on each material. The second sheet also contains a to-do list.

These are not what I would consider 'production grade' material profiles, some of these profiles are more mature than others, see the excel sheet for notes. I generally err on the side of slow, but works every time, rather than fast but fails more frequently.

I use the Benchy model to do all my filament testing, so these profiles are built around successfully printing a Benchy.

Some 'Printer Settings' profiles contain some gcode in the 'Custom G-code' section and the 'Start G-code' box that are specific to my printer, namely the line that starts 'M92 X99.65 Y99.90 Z396.03 E280.00 ; sets corrected steps per mm' This can be altered for your specific printer, there are generic values that are used, so you can just remove the whole line if you don't want to specify your steps per mm.


I am in no way affiliated with Prusa Research, or any of the filament manufacturers. Some filaments have been provided to me for free as an engineering sample.


You will also like:

Prusa i3

The Prusa i3 series consists of open-sourcefused deposition modeling3D printers, manufactured by Czech company Prusa Research under the trademarked name Original Prusa i3. Part of the RepRap project, Prusa i3 printers were named the most used 3D printer in the world.[1] The first Prusa i3 was designed by Josef Průša in 2012, and was released as a commercial kit product in 2015. The latest model (MK3S+, as of November 2020) is available in both kit and factory assembled versions. The Prusa i3's comparable low cost and ease of construction and modification has made it popular in education and with hobbyists and professionals.[2] Since the i3 series is open source, there have been many variants produced by companies and individuals worldwide.


  • Prusa Mendel (iteration 2)

RepRap Mendel[edit]

First conceived in 2009, RepRap Mendel 3D printers were designed to be assembled from 3D printed parts and commonly available off-the-shelf components (referred to as "vitamins," as they cannot be produced by the printer itself).[3][4] These parts include threaded rods, leadscrews, smooth rods and bearings, screws, nuts, stepper motors, control circuit boards, and a "hot end" to melt and place thermoplastic materials.[5] A Cartesian mechanism with a movable flat bed and tool motion on two horizontal and two vertical rods permit placement of material anywhere in a cubic volume; this design has continued throughout development of the i3 series.

Prusa Mendel[edit]

Josef Průša, a core developer of the RepRap project who had previously developed a PCB heated "bed" on which parts are printed, adapted and simplified the RepRap Mendel design, reducing the time to print 3D plastic parts from 20 to 10 hours, and including 3D printed bushings in place of regular bearings.[6][7] First announced in September 2010, the printer was dubbed Prusa Mendel by the RepRap community, rather than by Průša himself. According to the RepRap wiki, "Prusa Mendel is the Ford Model T of 3D printers."[8][9]

Prusa Mendel (Iteration 2)[edit]

Průša streamlined his Mendel design, releasing "Prusa Iteration 2" in November 2011. Parts changes allowed for snap-fit assembly (no glue required); fewer tools were needed to construct and maintain this version. Although not required, fine-pitch manufactured pulleys and LM8UU linear bearings were recommended over printed equivalents for "professional" results.[10][11]

Prusa i3[edit]

In May 2012, Průša released a major redesign, focused on ease of construction and use, and no longer structured around the simplest available common hardware as previous RepRap printers were.[12] The Prusa i3 design replaced the threaded-rod, triangular Z axis frame construction with a rigid, single-piece water jet cutaluminium vertical frame to improve printing speed and accuracy; M10 threaded rods were still used in the base. It used a single piece, food safe stainless steel hot end called the Prusa Nozzle which printed with 3 mm filament, and used M5 threaded rods as lead screws instead of M8.[13][14][15][16][17]

Three years later in 2015, Průša released an i3 full kit under the brand name "Original Prusa i3" after having realized that there was a market for 3D printer kits.[1] For about three months the Prusa i3 was delivered set up for a proprietary 3 mm filament diameter (which retrospectively has been dubbed the "mark zero"), before the Mk1 update when it was switched to the more common filament diameter of 1.75 mm.[18]

Prusa i3 MK2 and MK2S[edit]

Průša released the Prusa i3 MK2 in May, 2016. It was the first hobby printer with mesh bed leveling and automatic geometry skew correction for all three axes. Features included a larger build volume, custom stepper motors with integrated lead screws, a non-contact inductance sensor for auto-leveling, and a rewritten version of the Marlin firmware.[19][20][21] Other new features include a polyetherimide print surface, Rambo controller board and an E3D V6 Full hotend.[22][23] The Prusa MK2 became the first RepRap printer to be supported by Windows 10Plug-and-PlayUSB ID.[24]

In March 2017, Průša announced on his blog that the revised Prusa i3 MK2S would ship in place of the Prusa i3 MK2.[25] Enhancements cited include U-bolts to hold the LM8UU bearings where cable ties had been used, higher quality bearings and rods, an improved mount for the inductance sensor, improved cable management, and a new electronics cover. An upgrade kit was offered to owners of the MK2 to add these improvements.

Prusa i3 MK3 and MK2.5[edit]

In September 2017, Prusa i3 MK3 was released, marketed as "bloody smart."[26] Starting with this model, the base and Y axis were assembled with aluminium extrusion, eliminating the last of the structural threaded rods from the Mendel design. Included were a new extruder with dual Bondtech drive-gears, quieter fans with RPM monitoring, faster print speeds, an updated bed leveling sensor, a new electronics board named "Einsy", quieter stepper motors with 128 step microstepping drivers and a magnetic heatbed with interchangeable PEI-coated steel sheets.[27] Electrical components were updated to work with the new 24 voltpower supply. The printer also offers dedicated sockets to connect Raspberry Pi Zero W running open sourceOctoPrint software for wireless printing, and offers a custom Octoprint fork for the Prusa i3.

Ease-of-use features included a filament detector, allowing the printer to load filament when it is inserted, and to pause printing if the filament is jammed or runs out; error-correcting stepper motor drivers preventing layer shifts due to skipped steps; and recovery after power outages. The ambient temperature sensor both confirms suitable environment temperature and detects overheated electrical connections on the main board.

Existing MK2 and MK2S users were offered a $199 partial upgrade named MK2.5, limited to features which are cheaper to upgrade.[28] After negative feedback from the community, Prusa made available a more expensive $500 MK2S to MK3 full upgrade.[26][29]

Prusa i3 MK3S and MK3S+[edit]

In February 2019, Prusa i3 MK3S was released, along with the Multi Material Upgrade 2S (MMU2S), which allows selecting any of 5 different materials for printing together automatically.[30] MK3S changes include a simplified mechanical filament sensor, improved print cooling, and easier access to service the extruder.[31]

Prusa made a running change starting November, 2020 to the Prusa i3 MK3S+.[32] This model has a revised bed leveling sensor and minor parts changes.


Components and materials[edit]

Josef Průša inside an early Prusa i3 MK2 print farm producing 3D printed parts at Prusa Research in Prague, Czech Republic.

All Prusa i3 models use 3D printing filament as feedstock to make parts.

Like other RepRap printers the Prusa i3 is capable of creating many of its own parts. Formerly these were printed in ABS plastic; Prusa Research now uses PETG instead.[43] Prusa Research maintains a "print farm" of 585 3D printers (as of January 2021) to manufacture plastic parts for Original Prusa branded products.[44]

Like most FDM 3D printers,[45][46] the Prusa i3 uses a nozzle with standard M6-threads.[citation needed]

  • Metal frame and constructed X axis, printed parts in yellow.

  • Assembled Y axis, printed parts in yellow.

  • Prusa i3 extruder and hot end with yellow printed parts.

  • Completed Prusa i3, printed parts in yellow.


With all aspects of the design freely available under open source and open hardware terms, companies and individuals around the world have produced Prusa i3 copies, variants, and upgrades in assembled and kit form, with thousands offered for sale as early as 2015.[47][48][49] Rather than compete directly with these, Prusa Research's strategy is to pursue continual refinement of its designs.[50]


The distinguishing feature of the i3 from its predecessors is the vertical frame, which can take many forms. These include single sheet frames cut from steel or acrylic, box frames from plywood or medium-density fibreboard, and Lego.[51][52][53][54] Inexpensive aluminum extrusion is commonly used, both by printer enthusiasts and by manufacturers of "clone" i3 printers.[55][56] Some mass market i3 variants, such as many Shenzhen Creality products, use rollers against the extruded frame itself instead of precision rods and bearings to reduce cost and complexity.

  • A Prusa i3 with a standard metal frame.

  • A Prusa Xi3 with an acrylic frame.

  • A Prusa i3 with a plywood box frame.


Beyond the standard Prusa i3 filament extruders, others have created aftermarket extruders and enthusiast tool heads, including a MIG welder and a laser cutter.[57][58][59] Průša offered a collection of functional cooking tools and programs under the name "MK3 Master Chef Upgrade" as an April Fools' Day gag in 2018.[60]

  • A partially printed single-colour object showing the infill created to increase rigidity and reduce the amount of plastic used.

  • A 3DBenchy created on a Prusa i3 using a color-mixing hot end.

See also[edit]


  1. ^ ab"What's up with Original Prusa i3? – Prusa Printers". Prusa Printers. March 2, 2016. Retrieved June 13, 2016.
  2. ^Ertischek, David (February 3, 2016). "Prusa I3 is a DIY 3D printer you can actually afford". Boy Genius Report. Retrieved June 12, 2016.
  3. ^"Mendel - RepRap". Retrieved January 12, 2021.
  4. ^"Distributing 3DP Parts — and Vitamins — With Passion". 3D Printing Industry. Retrieved June 15, 2016.
  5. ^"Hot End Design Theory - RepRap". Retrieved January 12, 2021.
  6. ^ "PCB heated print bed by josefprusa". Retrieved June 19, 2016.
  7. ^"first commit · josefprusa/[email protected]". GitHub. Retrieved June 13, 2016.
  8. ^Prusa, Josef (October 4, 2010). "RepRap: Blog: Story of simpler Mendel: PLA bushings and X-axis". Retrieved May 18, 2021.
  9. ^User "Scwimbush"; User "Prusajr" (April 12, 2011). "Prusa Mendel - RepRap". Retrieved October 9, 2020.
  10. ^"Hobbyist Weekend – With Prusa Mendel 3D Printer". 3D Printing Industry. November 3, 2012. Retrieved June 15, 2016.
  11. ^Průša, Joseph (November 11, 2011). "RepRap: Blog: Prusa Iteration 2". Retrieved April 19, 2021.
  12. ^"initial commit · josefprusa/[email protected]". GitHub. Retrieved June 13, 2016.
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