Original Prusa i3 MK3S
Original Prusa i3 MK3S
Printer Highlights
About Original Prusa i3 MK3S
Original Prusa i3 MK3S is an open-frame Cartesian FDM 3D printer with a 250 × 210 × 210 mm build volume, up to 200 mm/s print speed, a 300°C hotend, a 120°C heated bed, a direct drive extruder, and auto bed leveling.
General Information of Original Prusa i3 MK3S
Printer Name
Original Prusa i3 MK3S
Brand
Prusa Research
Series
Original
Release Date
February 12, 2019
Build Volume & Chassis of Original Prusa i3 MK3S
Build Volume
250 x 210 x 210 mm (9.8 x 8.3 x 8.3 in)
Build Volume (X)
250 mm (9.8 in)
Build Volume (Y)
210 mm (8.3 in)
Build Volume (Z)
210 mm (8.3 in)
Enclosed Chamber
No
Frame Type
Dural aluminum vertical frame with aluminum extrusion base
Machine Size
500 x 550 x 400 mm (19.7 x 21.7 x 15.7 in)
Machine Weight
7 kg (15.4 lbs)
Motion System & Kinematics of Original Prusa i3 MK3S
Kinematics Type
Cartesian
Motion Axis Type
Dual leadscrew stepper motors
Kinematics Layout
Bedslinger (Cartesian-XZ-Head)
Rail System
Smooth rods with LM8UU linear bearings
Dual Z-Axis
Yes
Extruder & Toolhead of Original Prusa i3 MK3S
Extruder Type
Direct Drive
Toolhead Count
1
Filament Diameter
1.75 mm
Nozzle Diameter
0.4 mm
Nozzle Material
Brass
Supported Nozzle Diameters
0.2 mm, 0.4 mm, 0.6 mm, 0.8 mm
Max Nozzle Temp
300°C
Multi-Material Ready
No
Max Colors / Materials
1 Color
Bed & Thermal System of Original Prusa i3 MK3S
Build Plate Type
MK52 magnetic heatbed with removable PEI spring steel sheet
Heated Bed
Yes
Max Bed Temperature
120°C
Actively Heated Chamber
No
Print Speed & Performance of Original Prusa i3 MK3S
Max Print Speed
200 mm/s
Typical Print Speed
60 mm/s
Max Acceleration
1,000 mm/s²
Max Flow Rate
15 mm³/s
Min Layer Height
0.05 mm
Max Layer Height
0.35 mm
Automation & Electronics of Original Prusa i3 MK3S
Auto Bed Leveling
Yes
Leveling Sensor Type
PINDA 2 thermistor-compensated 9-point automatic mesh bed leveling
Filament Runout Sensor
Yes
Power Loss Recovery
Yes
Input Shaping (Resonance)
No
Built-in Camera
No
First Layer LiDAR
No
Part Cooling Fan
High-Speed Blower Fan
Hotend Fan
Axial Cooling Fan
Software & Connectivity of Original Prusa i3 MK3S
Firmware
Prusa Marlin
Compatible Slicers
PrusaSlicer
Connectivity
SD card, USB Type-B
Display Screen
Monochrome LCD with rotary encoder knob
Input Voltage
115/230V AC
Special Features
Mechanical-optical hybrid filament sensor, Redesigned extruder assembly for easier maintenance, Magnetic spring steel sheet, Crash detection and power recovery
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