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MK4/MK3S+ kit shipping from $50 (DHL)
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Original Prusa MMU2S to MMU3 upgrade for MK3.5

Since the release of the MMU2S (previous model), we’ve been collecting your feedback and started preparing something like an MMU2S+. However, at one point, we decided to completely rewrite the firmware from scratch, redesign the plastic parts, add more robust metal parts, improve the electronics, update the filament buffer, and add support for the MK4… thus, the MMU3 was born.

 

This product is supplied as a kit - you must assemble it by yourself!

Plastic parts are not included in the package. You need to print them yourself.

Important links: MMU3 Assembly Guide MMU3 Printable Parts

 

What's new in MMU3?

  • Completely new firmware written from scratch
  • Full two-way communication with the printer, Compatible with the MK3S+, MK3.5 and MK4
  • LCD screen integration (status messages, real-time information, error codes)
  • All plastic parts were redesigned with a focus on easier assembly and maintenance
  • New metal parts to make the unit more robust and reliable
  • Improved electronics
 

Sample Prints

MMU3 sample print
MMU3 sample print
MMU3 sample print
MMU3 sample print
MMU3 sample print
MMU3 sample print
MMU3 sample print
MMU3 sample print
MMU3 sample print
MMU3 sample print
MMU3 sample print
MMU3 sample print
MMU2S to MMU3 upgrade package includes
  • PD Addon board + power/data cable*
  • Filament (2x 400g)
  • Selected printed parts (label-plate, selector-front-plate)
  • PTFE tubes and others
  • Fasteners
  • Extruder parts* (mechanical and printed)* Contents are based on the selected printer
* Contents are based on the selected printerTools: (optional)
  • 1.5 mm Allen key
  • 2.0 mm Allen key
  • 2.5 mm Allen key
  • Needle-nose pliers
  • Philips screwdriver PH2 (MK3S+ power terminals)
  • Wrench 8 mm ( for QSM-M5 fittings)

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Estimated leadtime 1–2 weeks

Note that other items in the order may affect the total leadtime.

$89
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