Sometimes, everyone has a really bad day!

We are working hard to produce the filament buffer and all of our Prusa and Stusa printers are working flat out. We even have an Ender 3 Pro making parts!

It was a shock to lose this batch of lower bodies right near the end of the job. It set us back a while and we are trying our very best to catch up on our orders.

We are making the Filament Buffer to the highest standards we can and these didn’t look like they would fit be quite good enough! 

Oh, hang on! what’s that bear frame doing on the edge of the photo?

facts about the RMU

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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.