Original Prusa MMU3 (Local Shipping from Toronto, Canada)
Since the release of the MMU2S (previous model), Prusa has 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!
What is Multi Material Upgrade?
It’s exactly what it sounds like - it’s an optional add-on that allows your single-extruder printer to print with up to 5 colors (materials) at the same time. The MMU3 contains five filament insertion points. Load the five colors of your choice, slice the object with MMU3 profile in PrusaSlicer and start the print. The system automatically selects filament using the selector, loads it into the extruder and the printer starts printing. When it’s time to change the color or material, it also happens automatically.
What's new in MMU3?
- Completely new firmware
- Redesigned plastic parts
- Improved electronics
- Two-way communication between MMU unit and printer - status messages and error codes on the printer display
- Automatic repeated actions to prevent unnecessary "user attention" errors.
- Compatible with the Original Prusa MK4 and Original Prusa i3 MK3S+
What about the waste?
Every time you switch filaments, you need to purge the previous material from the nozzle to prevent cross-contamination. There are various ways to do it and the MMU3 uses an efficient “wipe tower” - it’s a compact, partially hollow block next to the printed object where the “old” filament is purged and the pressure in the nozzle is stabilized. And we’re offering more ways how to save filament and reduce plastic waste - PrusaSlicer gives you options for “wipe into infill” (the printed object’s infill is used as a wipe tower) or you can use “wipe into object” where another object is used as a wipe tower - it will be very colorful but if you, e.g., need a functional part or you will paint it later, it’s a great way to reduce plastic waste to a minimum.
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Projected to become available June 2023.
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