Original Prusa MK4: Everything You Need to Know

Prusa MK4

Discover the Original Prusa MK4 3D-Drucker: a top-tier FFF printer from Prusa Research, offering precision, ease of use, and innovative features.

by Editorial Staff: We are a team of 3D Printing Enthusiasts who have build a lot of knowledge about 3D Printing the last 8 years. Our aim is to create the knowledge hub for 3D Printing covering all minor and major topics. Providing one source of reliable Information for everybody regardless of Beginner or Expert.


The Original Prusa MK4, the latest iteration of the highly acclaimed Prusa i3 series, continues to embody the innovation and reliability trusted by 3D printing enthusiasts worldwide. Prusa Research has made a name for itself by providing printers that offer exceptional print quality, ease of use, and a robust community for support. Whether you’re a hobbyist, a professional, or a newcomer to the world of 3D printing, the Original Prusa MK4 promises to be an adaptable and versatile printer, catering to a broad spectrum of printing needs with its advanced features and improved performance.

This blog post will delve into everything you need to know about the Original Prusa MK4, including an introduction to the printer, a comparison to other models from Prusa Research, a detailed specs sheet, and information on the compatible filaments. The aim is to provide you with a comprehensive guide that assists in understanding what sets the Original Prusa MK4 apart in the competitive landscape of 3D printing technology.

About the Printer and Brand

Prusa Research, headquartered in the Czech Republic, has established itself as a leading brand in the global 3D printing market, thanks to its founder, Josef Průša, one of the pioneers of the RepRap project. The Original Prusa MK4 is the signature model in Prusa Research’s lineup, leveraging Fused Filament Fabrication (FFF) technology for detailed and precise prints. With a considerable build volume of 11.55 liters and a layer height capability ranging between 0.05 mm to 0.3 mm, the MK4 is equipped to handle a variety of printing projects with exceptional detail.

The MK4 embraces a Cartesian motion system design and is known for its “Bed Slinger” configuration, ensuring reliable and accurate prints. Additionally, the printer includes an automated build plate calibration system and supports multi-material capabilities, allowing for a vast array of creative possibilities. Inked in Prusa Research’s legacy, the Original Prusa MK4 stands as a testament to the company’s commitment to innovating and improving user experience with each new model.

Prusa MK4
#Prusa MK4

Printer Comparison

PrinterTechnologyMotion SystemBuild Chamber EnclosureAir FiltrationBuild Volume [mm]
Original Prusa MK4FFFCartesianOpenNo250 x 210 x 220
Original Prusa i3 MK3S+FFFCartesianOpenNo250 x 210 x 210
Original Prusa SL1S SPEEDMSLANAEnclosedNo127 x 80 x 150
Original Prusa MINI+FFFCartesianOpenNo180 x 180 x 180
Original Prusa XLFFFCartesian (CoreXY)OpenNo360 x 360 x 360
TRILAB AzteQ IndustrialFFFDeltaEnclosedNo300 x 400
TRILAB DeltiQ 2 PlusFFFDeltaOpenNo250 x 500
Prusa Pro HT90FFFDeltaEnclosedYes300 x 400

The Original Prusa MK4 distinguishes itself with a balanced build volume and an open build chamber that’s suitable for a wide array of filament types. Compared to other printers in the Prusa lineup, it offers a newer and more refined take on the renowned Prusa i3 architecture. The inclusion of automated calibration and multi-material printing capabilities makes it a competitive option among its siblings, catering to users who look for convenience along with high precision and quality.

The Spec Sheet

PrinterOriginal Prusa MK4
BrandPrusa Research
CountryCzech Republic
LinkOriginal Prusa MK4
Feedstock FormatFilament
Build Volume [L]11.55
W [mm]250
D [mm]210
H [mm]220
Layer Height Min [mm]0.05
Layer Height Max [mm]0.30
Build ChamberOpen
Motion SystemCartesian
Motion System DesignBed Slinger
Max Hot End Temperature [°C]290
Max Build Plate Temperature [°C]120
Max Print speed [mm/s]600
Automated Buildplate CalibrationYes
Multi Material CapabilitiesYes

Filaments Possible to Print

Filaments Possible but Not Recommended


What build volume does the Original Prusa MK4 offer?

The Original Prusa MK4 has a build volume of 250 x 210 x 220 mm, making it suitable for medium-sized prints.

Can the Original Prusa MK4 print with multiple materials?

Yes, the Original Prusa MK4 supports multi-material printing, allowing for prints with different filament types in a single object.

How precise are the prints from the Original Prusa MK4?

The Original Prusa MK4 can achieve layer heights as low as 0.05 mm, offering high precision and detail in prints.

Does the Original Prusa MK4 have an enclosed build chamber?

No, the Original Prusa MK4 has an open build chamber. This design offers better cooling for certain filament types but less environmental control than enclosed chambers.

Is the platform calibration automated on the Original Prusa MK4?

Yes, the printer features automated build plate calibration to ensure a level printing surface and reduce preparation time.

Disclosure: Our content is reader-supported. This means if you click on some of our links, then we may earn a commission. Your price is the same regardless but you help us a lot.