Best Filament for Prusa MK4 and MK4S in Australia
About the MK4 and MK4S
The Prusa MK4 (2023) and MK4S (2024) are Prusa Research's flagship i3 bedslinger printers. Key features: the Nextruder direct-drive extruder, input shaping for higher speeds, automatic first layer calibration and load cell-based mesh bed levelling. Both run 1.75 mm filament and work with the standard 235 x 210 x 250 mm build volume.
Top filament picks
- Prusament PLA: tightest tolerance, plug-and-play with PrusaSlicer's built-in profiles
- Matte PLA V2 / V4: showcase prints with primer-friendly finish
- Prusament PETG: functional parts with consistent diameter
- PETG (other brands): budget-friendly functional
- ASA: outdoor parts (the MK4 enclosure mod, or with enclosure)
- PA-CF: engineering parts (requires hardened nozzle)
- TPU 95A and TPU 95A HF: flexible prints (the MK4 direct drive handles soft TPU well)
Nextruder nozzles
The MK4 / MK4S Nextruder uses a specific nozzle interface. Stocked in:
- Brass (0.25, 0.4, 0.6, 0.8 mm) for PLA, PETG, standard filaments
- Hardened steel (0.4, 0.6 mm) for matte, composite, abrasive filaments
- Available 24/7 from the Sydney parts vending machine for after-hours emergencies
Slicer profiles
PrusaSlicer ships with profiles tuned for the MK4 / MK4S and most major filament types. For Siddament filaments specifically, our free per-spool profiles improve first-print accuracy.
Common spares to keep on hand
- Spare Nextruder nozzles in your most-used size
- PEI sheet (smooth or textured) for replacement
- Heater cartridge and thermistor
- Filament sensor microswitch
- Bed levelling springs
Sydney 24/7 pickup
Sydney customers can collect at any hour from the 24/7 self-serve pickup locker at the Siddament warehouse, 90 Victoria Road, North Parramatta NSW 2151. Order online, pick up at 2 am if you need to. The 24/7 parts vending machine at the Siddament warehouse stocks the most common 3D printer spares: nozzles, hotends, build sheets, adhesion products and printer-brand specific spares. Available any time, day or night.
Browse the range
All Prusament, Prusament Clearance, Prusa Spare Parts, Prusa Hotends & Nozzles.