Best Filament for Prusa Mini
About the Prusa Mini
Prusa Research's compact bedslinger printer. Bowden extruder (rather than direct drive on the MK4 family), smaller heated bed, simpler firmware. Entry-point for the Prusa ecosystem and a solid second printer for batch prints.
Top filament picks
- Prusament PLA: best diameter consistency for the Mini's smaller extruder margin
- Standard PLA: lowest cost, easiest first prints
- PLA+: same easy print, more impact resistant
- Matte PLA V2: showcase-quality prints from a beginner machine
- Prusament PETG: functional parts; the Mini handles PETG well
- Silk PLA: decorative prints
What to avoid on the Mini
- Soft TPU (85A, 90A): the Bowden tube causes the filament to buckle; only TPU 95A and harder work reliably
- Nylon: hygroscopic plus a non-enclosed printer is a frustration loop
- PC: needs temperatures the Mini's hotend was not built for
- Heavy CF / GF composites: abrasive at speed, marginal on the Mini's hardware
Mini-specific tips
- PETG works well with a glue stick on the bed for easy release
- Bowden retraction is longer than direct drive: start at 5 to 6 mm
- Print speeds should stay moderate (40 to 60 mm/s for PLA)
- The smaller build volume limits large prints; design within 180 mm cube
Mini spares to keep on hand
- Prusa Mini-specific PEI sheet
- V6 nozzles (brass, hardened)
- Bowden PTFE tube spare
- Y-axis bearings
- Heater cartridge and thermistor
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.