Original Prusa i3
Original Prusa i3
Printer Highlights
About Original Prusa i3
Original Prusa i3 is an open-frame Cartesian FDM 3D printer with a 200 × 200 × 200 mm build volume, up to 80 mm/s print speed, a 250°C hotend, a 100°C heated bed, and a direct drive extruder.
General Information of Original Prusa i3
Printer Name
Original Prusa i3
Brand
Prusa Research
Series
Original
Release Date
August 2015
Build Volume & Chassis of Original Prusa i3
Build Volume
200 x 200 x 200 mm (7.9 x 7.9 x 7.9 in)
Build Volume (X)
200 mm (7.9 in)
Build Volume (Y)
200 mm (7.9 in)
Build Volume (Z)
200 mm (7.9 in)
Enclosed Chamber
No
Frame Type
Threaded steel rod frame with laser-cut aluminum plate
Machine Size
400 x 400 x 420 mm (15.7 x 15.7 x 16.5 in)
Machine Weight
6.5 kg (14.3 lbs)
Motion System & Kinematics of Original Prusa i3
Kinematics Type
Cartesian
Motion Axis Type
Dual threaded M5 lead screws
Kinematics Layout
Bedslinger (Cartesian-XZ-Head)
Rail System
8mm precision ground smooth rods with LM8UU linear bearings
Dual Z-Axis
Yes
Extruder & Toolhead of Original Prusa i3
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
250°C
Multi-Material Ready
No
Max Colors / Materials
1 Color
Bed & Thermal System of Original Prusa i3
Build Plate Type
PCB heated bed with glass plate
Heated Bed
Yes
Max Bed Temperature
100°C
Actively Heated Chamber
No
Print Speed & Performance of Original Prusa i3
Max Print Speed
80 mm/s
Typical Print Speed
45 mm/s
Max Acceleration
800 mm/s²
Max Flow Rate
10 mm³/s
Min Layer Height
0.1 mm
Max Layer Height
0.35 mm
Automation & Electronics of Original Prusa i3
Auto Bed Leveling
No
Leveling Sensor Type
Manual 4-point thumb screw bed leveling
Filament Runout Sensor
Yes
Power Loss Recovery
No
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
Firmware
Repetier / Marlin
Compatible Slicers
Slic3r Prusa Edition, PrusaSlicer
Connectivity
SD card, USB Type-B
Display Screen
2004 character LCD with rotary encoder knob
Input Voltage
115/230V AC
Special Features
Historic RepRap open-source design, Printed mechanical components, Modular repairability
Special Note on Original Prusa i3
Specs represent the factory-commercialized Original Prusa i3 (MK1) 1.75 mm E3D revision released August 2015 (following the June 2015 3 mm Prusa Nozzle kit), distinct from Josef Průša's May 2012 open-source RepRap Prusa Mendel i3 blueprint. Did not include Power Panic hardware recovery.
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