FFFManufacturer image: PrusaPrusa Original Prusa i3 MK3
The 2017 MK3 generation of the Original Prusa i3 family.
Source reviews: 2026-10-16.
Specifications are reported claims, not independent test results.
The details that matter.
Published specifications for this model. Follow a field's source for its configuration and measurement conditions; older fields refer to the profile's reference list.
| Introduction year | 2017 |
|---|---|
| Model family | Original Prusa i3 |
| Process | FFF |
| Build envelope (X × Y × Z) | Not verified |
| Nominal box volume | Not verified |
| Enclosure | Not verified |
| Maximum nozzle temperature | Not verified |
| Materials cited in this profile | Not verified |
| Manufacturer listing status | Unknown |
| Regional stock and price | Check the manufacturer |
| Market grouping | Desktop · editorial grouping |
Technical specifications
| Controller | EINSY RAMBo |
|---|---|
| Stepper Drivers | Trinamic TMC2130 |
| System Voltage | 24 V |
| Filament Sensor | Optical movement encoder |
| Bed Probe | PINDA 2 with temperature sensor |
| Extruder Drive | Dual-sided Bondtech gears |
| Heated Bed Model | Magnetic MK52 |
| Build Surface | Removable PEI-coated spring-steel sheet |
| Power Failure Recovery | Power Panic |
| Cooling Monitoring | Fan RPM monitoring |
| Network Expansion | Raspberry Pi Zero W header for OctoPrint |
Sensors and removable plate
MK3 introduced power-loss recovery, filament monitoring, fan-speed feedback and a magnetic bed with removable spring steel. PINDA 2 adds temperature measurement for probe compensation.
Mechanical evolution
A revised aluminum-extrusion Y frame and dual-sided filament drive changed the earlier i3 architecture. The available Z height increased to 210 mm.
Introduced in 2017.
Announced September 22, 2017; announcement year is recorded.
Family: Original Prusa i3 · Historical model
Read this with the specifications
Historical documentation verifies identity; current sale availability is not established.
A larger nominal envelope does not establish better print quality. Fit depends on the configuration, usable area, supports, and orientation.
INDUSTRY F340
Manufacturer-issued brochure preserved by distributor Multi3DPrint; original manufacturer links are no longer available.