Prusa Research Original MK4S3 3D Printer

The Prusa Research Original MK4S3 is a high-quality, open-source FDM 3D printer designed and manufactured in the EU. Known for its reliability, precision, and excellent print quality, the MK4S3 is ideal for professionals, educators, and demanding hobbyists who need consistent results and long-term durability.

Features

• High-precision FDM 3D printing with advanced motion control
• All-metal hotend with quick-swap nozzle system
• Automatic mesh bed leveling for perfect first layers
• Silent operation with Trinamic stepper drivers
• Open-source hardware and software ecosystem
• Wide filament compatibility including engineering materials

Specifications

• Manufacturer: Prusa Research a.s. (Czech Republic)
• Model: Original MK4S3
• EAN: 8594173671621
• Weight: approx. 7 kg (printer only)
• Dimensions: approx. 500 × 550 × 400 mm
• Printing Technology: Fused Deposition Modeling (FDM)
• Build Volume: 250 × 210 × 220 mm
• Nozzle Diameter: 0.4 mm (interchangeable)
• Max Nozzle Temperature: up to 300 °C
• Max Heated Bed Temperature: up to 120 °C
• Supported Filaments: PLA, PETG, ASA, ABS, PC, Nylon, Flex materials
• Connectivity: USB, LAN, SD card
• Operating Systems (software): Windows, macOS, Linux

Ideal For

• Professional prototyping and product development
• Educational institutions and research labs
• Functional and mechanical parts
• Reliable long-term 3D printing workflows

Keywords

Prusa Research Original MK4S3, Prusa MK4S3, 3D printer, FDM 3D printer, open-source 3D printer, professional 3D printing, European-made 3D printer