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Original Prusa i3 MK2.5S/MK3S Multi Material 2S upgrade kit (MMU2S)
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Original Prusa i3 MK3
If you already have MM for MK2/S, you should buy
New orders in May 2019! (Separate orders recommended) Check: help.prusa3d.com/shippingtable
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PLEASE NOTE IF YOU ORDER TOGETHER WITH MK3, IT WILL BE SHIPPED TOGETHER LATER. We suggest making separate orders.
Now compatible with the Original Prusa i3 MK2.5 and MK3 3D printers, MMU 2.0 went through a major revision, resulting in a simpler and more reliable design. The number of simultaneously supported filaments increased to the total of five, which enables the users to print even more complex and more colorful objects.
MMU 2.0 comes with a redesigned body and a new filament loading mechanism. Instead of the previous Bowden system, the new unit uses a direct-drive feed and a single PTFE tube to lead the selected filament to the extruder. The motorized selector head has a F.I.N.D.A filament sensor and a built-in blade, which prevents filament jamming.
Read more about MMU 2.0 in the blog post at Prusaprinters.org.
SEE THE MMU 2.0 IN ACTION!
Introducing MMU 2.0
How does MMU 2.0 work?
MAIN FEATURES.
The most significant new features of Original Prusa i3 MMU 2.0
COMPLETELY REDESIGNED
MMU 2.0 has a brand new body with a rotating pulley barrel and a single extruder motor. Load up to 5 filaments and the selector head with a filament-cutting blade will take care of automatic loading and unloading.
FIVE MATERIALS
The second generation of our Multi Material Upgrade supports up to 5 filaments loaded at the same time. Apart from usual materials like ABS, PETG or PLA, the MMU 2.0 also works great with soluble supports (BVOH or PVA).
DIRECT DRIVE
We have replaced the previous generation's Bowden system with a new direct-drive mechanism. This change is a major step forward in making the filament loading process more reliable and less prone to jamming.
F.I.N.D.A FILAMENT SENSOR
Meet F.I.N.D.A! It's essentialy a repurposed P.I.N.D.A probe, which now serves as a filament sensor. It works on a mechanical basis - the string of filament lifts a small stainless steel ball and F.I.N.D.A detects its proximity.
WIPE INTO INFILL / OBJECT
Our slicing software Slic3r PE comes with full MMU 2.0 support and a set of useful features, such as Smart wipe tower, Wipe into infill or Wipe into object. These features help you save time and filament.
NEW ELECTRONICS
Powered by a new board, the MMU 2.0 takes advantage of features present on the MK3 itself - such as Trinamic drivers with auto-homing mechanism. The board can be also flashed with updated firmware, so it can learn new tricks in the future.
FULL FEATURES LIST
MULTI MATERIAL UPGRADE 2.0 FEATURES
- Completely redesigned body: less complex and more reliable design
- Printing with up to five filaments at the same time
- Old Bowden system replaced with a direct-drive loading mechanism with only a single PTFE tube leading filament to the extruder
- Less sensitive to filament quality
- Second generation electronics
- F.I.N.D.A. filament sensor
- Motorized selector head with filament cutter
- Power loss detection and recovery
- Smart software features: Smart wipe tower, Wipe to infill, Wipe into object and many more
- Works in two modes: Multi-Material Mode and Single Mode (Single mode is the same as printing on MK3/2.5).
COMPATIBILITY INFORMATION
Printer Compatibility:- Original Prusa i3 MK3
- Original Prusa i3 MK2.5
- PLA
- ABS
- PETG
- Flex (coming soon)
- Soluble Materials (BVOH, PVA)
MMU 2.0 PRINT SHOWCASE
Reseñas
Great concept, but needs a little more development. Better for e
I've had this upgrade for my MK3 since late November. As with the MK3, the assembly was straightforward and only took me a day. However, it takes extremely precise tweaking of both physical parts and slicer settings to get good results. Took me more than a week to get consistent prints, but that was a long time ago and the firmware and hardware have been improved quite a bit since then. You may need to mess around with the perfect spring tensions, filament sensor height, and retraction settings before getting consistent results. But trust me, you'll get good prints eventually, but just be patient. If you have good experience in 3D printing troubleshooting and understand how the parts of this upgrade work, you should be fine in troubleshooting it yourself or people from forums can help you out. Make sure you know what you're doing with this! It may take a while to get good results.
However, this is still basically one of the best options for multimaterial printing on the market as of early 2019 for this price. Just be aware of what you're getting into.
I hope this helps, and good luck!
Mathieu
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