Original Prusa i3 MK3S+: Everything You Need to Know

Prusa i3 MK3S+

Explore the Original Prusa i3 MK3S+ 3D-Drucker: a robust and versatile FFF 3D printer by Prusa Research, perfect for detailed and reliable printing.

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 i3 MK3S+ stands as a testament to the iterative innovation that Prusa Research champions in the 3D printing community. Building on the legacy of its predecessors, the MK3S+ is a flagship model known for its reliability, high-quality print output, and user-friendly experience. The printer caters to hobbyists, makers, and professionals alike, boasting a suite of features that make it a versatile and dependable choice for various printing applications.

In this comprehensive guide, we’ll explore the nuances of the Original Prusa i3 MK3S+ and provide insights into why it remains a popular choice within the 3D printing landscape. We’ll also compare it with other Prusa models, delve into its technical specifications, examine the range of filaments it can print, and answer some frequently asked questions.

About the Printer and Brand

Prusa Research continues to shape the 3D printing industry from its base in the Czech Republic. The Original Prusa i3 MK3S+ is the culmination of years of user feedback and technical refinement, emphasizing quality and consistency in printing. Employing Fused Filament Fabrication (FFF) technology, the MK3S+ brings to the table noteworthy advancements like superior silent stepper drivers, improved filament sensors, and power loss recovery.

With its open design and a Cartesian motion system, the MK3S+ promotes ease of maintenance and accessibility. Its Bed Slinger motion system design allows the print bed to move on the Y-axis, bolstering print stability and precision. The MK3S+ stands out for its continued commitment to enhancing the printing process, from its thoughtful design to its multifaceted capabilities.

Prusa i3 MK3S+
#Prusa i3 MK3S+

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 i3 MK3S+ is a workhorse that delivers a slight variation in build volume compared to the newer Original Prusa MK4. It also boasts a robust community and extensive support network, thanks to its longstanding presence in the market. Its open build chamber makes it versatile for various filaments, though it lacks the advanced air filtration systems found in some enclosed models.

The Spec Sheet

PrinterOriginal Prusa i3 MK3S+
BrandPrusa Research
CountryCzech Republic
LinkOriginal Prusa i3 MK3S+
Feedstock FormatFilament
Build Volume [L]11.03
W [mm]250
D [mm]210
H [mm]210
Layer Height Min [mm]0.05
Layer Height Max [mm]0.25
Build ChamberOpen
Actively Heated Build ChamberNo
Air FiltrationNo
Motion SystemCartesian
Motion System DesignBed Slinger
Max Hot End Temperature [°C]300
Max Build Plate Temperature [°C]120
Max Print speed [mm/s]200
Automated Buildplate CalibrationYes
Multi Material CapabilitiesYes

Filaments Possible to Print

Filaments Possible but Not Recommended


What is the maximum print speed of the Original Prusa i3 MK3S+?

The Original Prusa i3 MK3S+ can reach a maximum print speed of 200 mm/s, combining speed with precision.

Can the Original Prusa i3 MK3S+ resume printing after a power loss?

Yes, it comes equipped with power loss recovery, allowing it to resume prints with minimal disruption.

Is the build plate heated in the Original Prusa i3 MK3S+?

Yes, the build plate can achieve temperatures up to 120°C, aiding in better adhesion and print quality.

What is the layer height range for the Original Prusa i3 MK3S+?

The layer height can be adjusted from 0.05 mm to a maximum of 0.25 mm, offering versatility in print quality.

Does the Original Prusa i3 MK3S+ support automatic calibrations?

Yes, the printer supports automated build plate calibration for ease of use and consistent print quality.

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