English

3D printers
3D printers
Prusa CORE One L Learn more
Prusa CORE One+Learn more
Prusa CORE One L: Critical Infrastructure Original Prusa MK4S Original Prusa XL Original Prusa MINI+Original Prusa XL: Critical Infrastructure Original Prusa SL1S SPEED Prusa Pro HT90 Prusa Pro SLX Prusa Pro AFS Prusa Signature Oak
Printer upgrades
CORE One/+ INDX Conversion Kit MMU3 (Multi Material Upgrade)MK4S to CORE One+ Conversion Kit XL Toolhead Upgrades XL - Silicone Printing Toolhead MK3S/+ to MK4S
Prusa Reward ProgramLove your Prusa printer? Share your experience and earn $30 Prusa e-shop vouchers.
How to Choose a 3D Printer?We’ll walk you through the basics to find the exact machine for your space, budget, and ideas.
Free E-bookDownload a free e-book Basics of 3D Printing with Josef Prusa and make your first steps in 3D printing world
Original Prusa Printable PartsCollections of printable spare parts for Original Prusa 3D printers and upgrades.
Shipping informationRegularly updated info about the current manufacturing capacity and delivery times of our printers.
Custom 3D PrintingProfessional custom 3D printing from various materials according to your requirements.
Materials
Filaments
Prusament PLA PETG ASA / ABS PC (Polycarbonate)PA (Nylon)Flex Composites Special Materials clearance sale
Resins
Prusament Resin Engineering Standard (Tough, Model, BioBased)Medical
Filament Guide Check my Prusament Spool
Prusament.com
Parts & Accessories
Accessories
Enclosures Nozzles Print Sheets Essential Accessories Cameras & Addons Tools & Crafting Adhesives
Spare parts
Merchandise
Spare parts - All Printers CORE One MK4/S & MK3.9/S MK3/S/+XL
Merch
For Business
Prusa Pro HT90 Prusa Pro SLX Prusa Pro AFS Prusa Pro Medical One Original Prusa XL Original Prusa XL: Critical Infrastructure
Prusa CORE One+Learn more
Prusa CORE One L Learn more
Prusa CORE One L: Critical Infrastructure Edition
3D Printing for
Manufacturing and R&D Automotive Industry Healthcare Education and Academic Research Architects and Designers Film Industry Critical Infrastructure
3D Printing Stories
Official Prusa Resellers
Sustainability
Prusa Education
Contact and Inquiry
Custom 3D Printing
ISO Certified
Software
PrusaSlicer
PrusaSlicer is an open-source, feature-rich, frequently updated tool that contains everything you need to export the perfect print files for your 3D printer.
Windows MacOS Linux
Prusa Connect
Prusa Connect is a cloud service enabling remote control and monitoring of your 3D printers, offering secure data handling, easy setup, and support for managing multiple printers from anywhere.
Log in to Connect
Prusa.app
Control your printer/s remotely from anywhere using the Prusa Connect technology behind. Prusa.app brings a new level of Prusa printer experience to Android and iOS phones.
Try it now!
Drivers & FirmwareDownload the latest firmware and drivers for your 3D printer.
PrusaSlicer Support
Prusa Connect Support
3D Models
3D Printers Art & Design Hobby & Makers Household Tabletop Miniatures Toys & Games Printables Store
Popular 3D models
Design Contests
Community
Upcoming Events
Prusa Forum
Prusa World MapFind local 3D printing users and explore the community around you.
Help
Guides & Tutorials PrusaSlicer Prusa Connect Materials
Printer Model
CORE One INDX CORE One L CORE One+CORE One
Hardware Troubleshooting
Drivers & Firmware
INDX family CORE One family MK4 family XL family MMU family PRO family
Courses
Become an expert in 3D printing
Prusa Academy offers online courses on various 3D printing related topics. Each course features:
- easy-to-read text with many pictures and short videos
- links for inspiration and further study
- quizzes for testing your knowledge along the way
- certificate of completion
Courses
Blog
E-Book: Basics of 3D Printing
Company
About Prusa Research
We are the largest maker of 3D printers in Europe and the United States.
Founded as a one-man startup in 2012 by Josef Prusa, a Czech hobbyist, maker, and inventor. In just 15 years, we've grown into a company of more than 1,200 people. Every month, we design, build, and ship over 10,000 innovative and secure 3D printers from our headquarters in Prague, Czech Republic, and Delaware, USA, to users in more than 160 countries.
Watch a video and find out how Prusa Research was born and what we achieved within only 10 years!
About Us Timeline Sustainability Open-source
About Us
Contact Us
Logo and Photos
ISO Certified

Support
Prusa CORE One+

Prusa CORE One+ support

Still need help?

Get support

We are here for you 24/7 all year round. If you can not find what you are looking for, please do not hesitate to contact us.

Blog

State of INDX – July 2026 Update: Founder’s Edition Shipping + What’s Next
Flash Summer Deal 2026: 20% Off MK4S & Reduced CORE One+ Shipping!
Open Community License v1.1: The New Plugin System, More Examples, and Your Questions Answered

Newsletter

Signup and get our monthly squeeze on updates, blog, printables and much more.

I would like to receive the e-book "Basics of 3D Printing" as a gift

By clicking, you agree to receive our newsletter.

This site is protected by reCAPTCHA Enterprise and the Google Privacy Policy and Terms of Service apply.

BETTER VENTILATED FUNNEL - PARAMETRIC

E-shop

3D Printers
Printer Upgrades
Filaments
Accessories
Prusa Merchandise

© Prusa Research a.s.

Printables

3D Models
Store
Clubs
3D Design Contests
Brands

Community

World Map
Forum
User Groups
Events

Help

Prusa Help
Prusa Academy
3D Printing Calculators

Software

PrusaSlicer
Prusa.app
Prusa Connect
Drivers and Software

Company

About Us
Blog
Official Prusa Resellers
Contact Us
Certified for ISO 9001, ISO 14001, ISO 45001

General Terms and Conditions
General Terms and Conditions of Use of the PRUSA Websites
Privacy Policy
Information about cookies
Customer Complaints Policy
Status Page
Do Not Sell or Share My Personal Information
Supplemental Statements

General Terms and Conditions
General Terms and Conditions of Use of the PRUSA Websites
Privacy Policy
Information about cookies
Customer Complaints Policy
Status Page
Do Not Sell or Share My Personal Information
Supplemental Statements

© Prusa Research a.s.

JOSEF PRUSA®, PRUSA RESEARCH®, PRUSA POLYMERS®, PRUSA ORANGE®, PRUSA 3D ® AND PRUSAMENT® are registered trademarks of Prusa Development a.s. used by Prusa Research a.s. under licence from Prusa Development a.s.

Prusa CORE One+ support

Firmware 6.5.7

June 19, 2026

PrusaSlicer 2.9.6

June 30, 2026

Handbook 1.02

July 07, 2026

Useful links

CORE One+ Community Forum
CORE One+ Spare Parts
CORE One+ Printable Parts
CORE One+ Printable Parts community version

Prusa CORE One+ Unpacking & First run

Assemble the Prusa CORE One+

Upgrade from MK4S to CORE One+

Upgrade from CORE One to CORE One+

Prusa CORE One to CORE One+ upgrade (community version)

Prusa CORE One to CORE One+ upgrade (community version)

This article guides you through the community version of the Prusa CORE One to the Prusa CORE One+ upgrade. It lists all the components required for the upgrade and provides instructions…

Getting started with Prusa CORE One+

First print with PrusaSlicer

First print with PrusaSlicer

If you are using PrusaSlicer for the first time to generate a gcode or bgcode for printing, you can follow the steps below. Click on the links to get more information about the…

Prusa Connect and PrusaLink explained

Prusa Connect and PrusaLink explained

Prusa Connect and PrusaLink are two remote printing solutions developed in-house by Prusa. Its origin is in the management system used in our record-sized print farm located in…

How to update firmware (CORE One L, CORE One, MK4/S, MK3.9/S, MK3.5/S, XL)

How to update firmware (CORE One L, CORE One, MK4/S, MK3.9/S, MK3.5/S, XL)

On the Prusa CORE One L, Prusa CORE One/+, Original Prusa MK4/S, MK3.9/S, MK3.5/S, and XL, the firmware is flashed using a USB flash drive. This is valid for all ways of firmware…

Fix common issues

QR Error codes

QR Error codes

This is an advanced system for displaying error screens, providing more useful information to the user. In case of an issue, the printer will display the name of the error followed…

Changing or replacing the Prusa Nozzle

Changing or replacing the Prusa Nozzle

Replacing the Prusa Nozzle on your printer varies depending on the model of your printer. This article provides an overview of the different methods to replace the Prusa Nozzle,…

Selftest failed (CORE One/+)

Selftest failed (CORE One/+)

On the Prusa CORE One/+, the selftest checks for issues in the printer's assembly, wiring, and electronic components. It is the first part of the Calibration Wizard, which is prompted…

Community posts

I'm failing to print a "perfectly" flat slab with ASA

Jul 12, 2026, 2:18:55 PM
2 replies

Filament Mounting Solution?

Jul 12, 2026, 2:18:14 PM
25 replies

Unsolvable warping when printing Gridfinity in PETG.

Jul 12, 2026, 2:16:55 PM
14 replies

Your Prusameters have expired since you haven't visited Printables in over 12 months - no warning- no email

Jul 12, 2026, 1:45:22 PM
2 replies

INDX Youtube Movies

Jul 12, 2026, 1:43:53 PM
47 replies

1. Introduction

2. Unpacking the printer

3. Mounting the xLCD

4. Calibration & First run

Manual changelog

Prusa CORE One+ (assembled)

5 chapters

Easy

1. Introduction

2. Base assembly

3. Back assembly

4. Heatbed assembly

5. CoreXY assembly

6. Nextruder assembly

7. Bodywork & Electronics

8. Trim, Door & xLCD

9. Calibration & First run

Manual changelog

Prusa CORE One+ kit assembly

10 chapters

Moderate

1A. Introduction

1B. MK4S Inspection

1C. Printer Disassembly

1D. Component Prep

2. Base assembly

3. Back assembly

4. Heatbed assembly

5. CoreXY assembly

6. Nextruder assembly

7. Bodywork & Electronics

8. Trim, Door & xLCD

9. Calibration & First run

Manual changelog

Prusa CORE One+ conversion kit

13 chapters

Moderate

1. Introduction

2. Printer Upgrade

3. Final Setup

Manual changelog

Prusa CORE One to CORE One+ upgrade

4 chapters

Easy

Topics

About your printer
Calibration
Using the printer
Printer maintenance
Troubleshooting
3rd party accessories & Other projects