The official

RMU-Mk3

Filament Buffer

Universal option Mk4 & MMU3 option Compact Reliable Robust Professional Functional

For some time now, Prusa MMU2 owners have been searching for a MMU2 filament buffer that meets all of their needs and it just hasn’t been possible. With the MMU3, the search continues, but look no further. 

Here at the Wedge Group, we have poured thousands of research hours into developing the ultimate solution.

Our latest modifications now include the Mod-U buffer that blends the Mod-S and Mod-T filament buffer

We are now Mk4, Mk3.9 or Mk3.5 and MMU3 ready!

All of our buffers can be fitted to the MK4, Mk3.9, Mk3.5, Mk3, Mk2.5s and Bear Frame  and existing users get these modifications for free.

We also have made lots of small changes including improving the fit of screws, better bearing fitting into the wheels.

Here at the Wedge Group, we are proud to introduce the RMU MK3. The RMU MK3 is not only a complete solution, it also displays elegance and fits seamlessly onto your printer.

If you are looking for a filament buffer for your Prusa Mk3 or Mk4 printers, the RMU MK3 and is going to be the only solution you need, the best tower buffer you can buy.

BF001: Completed printed buffer

We offer to produce and supply the complete RMU-Mk3. The total print time is nearly three days which some people may find onerous. The complete kit comes supplied with all the fittings pre-assembled so all you have to do is attach the top, base and the brackets and Teflon tubes.


You will receive all the component parts of the RMU-Mk3 plus a bill of materials, links to assembly instructions, tips and tricks and any other resources we think you might find useful.

BF002: Hardware Package & Files

Our most popular option is to provide all the fittings. We will email the print files so you can print the RMU-Mk3 yourself. Print time is around three days in total so we aim to get the fittings to you as quickly as possible.

You will receive all the fittings to assemble the RMU-Mk3 plus a bill of materials, links to assembly instructions, tips and tricks and any other resources we think you might find useful.

All fittings are posted, files are emailed,

 
 

BF003: Online package - Files only

Power users may prefer to source the fittings themselves. This lowest cost option allows you to print the RMU-Mk3 yourself and supply and fit your own fittings. Most items are commercially available but it can be costly to do this your self so we will always recommend buying the BF002 option.

You will receive via email the print files plus a bill of materials, links to assembly instructions, tips and tricks and any other resources we think you might find useful. 

Files and BOM emailed.

 
 
 
 
3D schematic filament buffer

facts about the RMU

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