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Original Prusa MK4 printer (Commons photo for MK4S notes page)

Original Prusa MK4S

Cartesian 1.75 mm Prusa printer. Open frame by default; enclosure is optional. Supports a wide thermoplastic range with PrusaSlicer profiles.

$878.99 USD

Sourced on order · US delivery included

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We order this printer configuration after your payment. If we cannot source it, we contact you and refund.

Manufacturer snapshot

Brand
Prusa Research
Filament diameter
1.75 mm
Build volume
250 × 210 × 220 mm
Max hotend temperature
290 °C
Max build-plate temperature
120 °C
Enclosure
Open frame (optional enclosure add-on)
Material system note
Optional MMU3 for multi-material. MMU path constraints differ from single-extruder printing - verify flexible/abrasive limits before ordering for MMU use.
Manufacturer listed ideal / supported families
PLA, PETG, Flex, PVA, and broader Prusa-supported thermoplastics with profiles; ABS/ASA benefit from enclosure
Manufacturer caution / not recommended
Do not assume every specialty-filled filament is covered by a stock profile - check PrusaSlicer and material data sheets

Prusa MK4S specs (manufacturer comparison tables) · Recorded 9/14/2026

Printer specifications are not an endorsement of an unverified product or spool. Always re-check the manufacturer page before buying filament for a critical job.

What to verify before you buy filament

  1. All Original Prusa FFF printers use 1.75 mm filament.
  2. For ABS/ASA, plan enclosure/filtration rather than relying on open-frame defaults.
  3. Nextruder/nozzle family must match the nozzle you buy (including E3D Revo if installed).
  4. Confirm sheet type (smooth/textured) and adhesive needs for PETG/ASA/TPU.

Related on FilamentBridge: PLA · PETG · ASA · TPU · Revo nozzle · How we check compatibility · Shop

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