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#prusamk4

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Don Trueten :antifa:
The MMU works well with #Octoprint. I use Octoprint mainly because it offers me more options than the Native Prusa solution. You select the material in the slicer - which should of course be loaded in the MMU - and then send the print file to Octoprint. Octoprint will ask you if you want to print with the submitted filaments or something else, or if everything is ok, and then start the print.

Of course, this requires flawless interaction between the MK4(S) and MMU3 at the hardware level. I had some initial problems with this, but they had nothing to do with Octroprint.

In the meantime, I have made some extensions [(un)original heatbox, different buffer system, housing and a few other small things] so that I could start production.

@sldrant

View of the sidebar with the section of Spoolman with the overview of the available material or spools from the range that are active in the MMU and their assignment to the slots of the MMU.
View of the settings of the Prusa MMU plugin with default settings for Spoolman and the standard spool for single-color printing.
#octoprint#3dprint#Prusa
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Paweł Szczur :pix_mastodon:

Today I’ve advanced to a next level of 3D printing fan club.

Yesterday, when printing a part for my son’s base the printer went awry and messed it up. I’ve stoped it in the middle of printing. I’ve then tried a tiny few minute model, and it failed.

I’ve decided to run printer calibration and to my surprise it failed. I’ve rerun it 3 times with same result: Y-axis cannot be calibrated.

I’ve spend some time searching and it seemed that a Y-axis belt may be incorrectly fastened. I’ve used Prusa app to check it, but it seemed good.

I’ve been wondering what else may be wrong and had an “aha” moment and decided to check all screws. That’s how I’ve found out that the screws on this little piece have loosen themselves and were causing a slip when an engine was trying to push the printing bed really fast.

Now it works and I can go back and print the joints ;-)

#olsztyn#3dprinting#fatherhood
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Tom Streeter

I've spent the better part of the last two days assembling a gadget called a "multiple materials unit" (MMU) from #Prusa3D for my #PrusaMk4. Assembly is done and and I'm about to start updating firmware and calibrating the components. Then a test print.

Wish me luck. It's equal parts exciting and terrifying. I'll be happy I pushed myself outside my comfort zone when it's working (and it WILL ultimately work). But I'm going to have a knot in my stomach until I get there.

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