Original Prusa i3 MK3S+
Made by Prusa Research · Discontinued · Released Nov 2020
Overview
- Status
- Discontinued
- Released
- Nov 2020
- Launch price
- $999
- Announced
- Nov 2020
Build
- Build volume
- 250 × 210 × 210 mm
- Enclosure
- Open frame
- Air filtration
- None
Temperatures
- Max chamber temp
- —
- Max hotend temp
- 300 °C
- Max bed temp
- 120 °C
Motion
- Motion system
- Bedslinger (i3-style)
- Max speed (claimed)
- 200 mm/s
- Max acceleration (claimed)
- —
- Max volumetric flow (claimed)
- —
Toolhead
- Extruder
- Direct drive
- Stock nozzle
- 0.4 mm brass
- Nozzles
- 1
- Multi-material
- MMU2S (optional, up to 5 materials)
Features
- Bed leveling
- Automatic
- Features
- Filament runout sensor, Power-loss recovery
- Firmware
- Prusa Firmware (open source)
- Connectivity
- SD card
- Laser module
- None offered
Speed, acceleration and flow figures are the manufacturer's claims. A dash means the manufacturer does not publish the value.
Sources
Last verified
- Prusa Research blog, November 2020 Update: Original Prusa i3 MK3S+ and MINI+ now shipping (2020-11-24) (accessed Sep 29, 2026)
- Prusa Research e-shop, Original Prusa i3 MK3S+ 3D printer (assembled), archived 2021-01-11: build volume, 300/120 °C, 200+ mm/s travel, IR filament sensor, power panic, SD card, MMU2S, assembled price $999 (accessed Sep 29, 2026)
- Prusa Research, Original Prusa i3 MK3S+ technical parameters, archived 2022-11-10 (direct drive, Bondtech gears, E3D V6 hotend; Wi-Fi/Ethernet only via optional Raspberry Pi) (accessed Sep 29, 2026)
- Prusa Knowledge Base, Changing or replacing the nozzle (MK2.5/S, MK3/S/+, MK3.5/S): stock E3D V6 0.4 mm brass nozzle (accessed Sep 29, 2026)
- Prusa Research, former MK3S+ product URL now serves the Original Prusa MK4S page (accessed Sep 29, 2026)
- GitHub, prusa3d/Prusa-Firmware (GPL-3.0 firmware source for the MK3 family) (accessed Sep 29, 2026)