Original Prusa i3 MK3
Original Prusa i3 MK3
Printer Highlights
About Original Prusa i3 MK3
Original Prusa i3 MK3 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 MK3
Printer Name
Original Prusa i3 MK3
Brand
Prusa Research
Series
Original
Release Date
September 22, 2017
Build Volume & Chassis of Original Prusa i3 MK3
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
Rigid dural frame with aluminum extrusion Y-axis
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 MK3
Kinematics Type
Cartesian
Motion Axis Type
Dual leadscrew stepper motors with optical sensor
Kinematics Layout
Bedslinger (Cartesian-XZ-Head)
Rail System
Extruded aluminum Y-axis with smooth rods and LM8UU bearings
Dual Z-Axis
Yes
Extruder & Toolhead of Original Prusa i3 MK3
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 MK3
Build Plate Type
MK52 magnetic heatbed with removable spring steel sheet
Heated Bed
Yes
Max Bed Temperature
120°C
Actively Heated Chamber
No
Print Speed & Performance of Original Prusa i3 MK3
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 MK3
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 MK3
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
Removable magnetic spring steel bed, Trinamic TMC2130 silent drivers with sensorless homing and crash detection, Optical filament sensor, Power panic power loss recovery
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