M2 Filament Guide

by hockenmaier, published

M2 Filament Guide by hockenmaier Mar 19, 2013


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This replaces the default filament guide that comes with the Makergear M2 printer. My filament was kinking and stopping the printer because of all the sideways pull, and this solves that problem.
This also helps if you are using FluidDoc's smaller M2 Spool holder (Thing 31305) or if you have one of the wider-profile spools like the JET spools sold on Amazon.
If you like my designs, let me know with a little bitcoin:


Print the file as is, with no support. The five guide holes will need bridging, so make sure your bridging settings are good to go. The bolt holes on the bottom are chamfered at 45 degrees, so they will not need any support.

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This is a cool part, but after printing I've found a few issues. I could clean them up post-processing, but I wonder if they're fixable in the model? I know your printer must be 3+ years older than mine, so maybe these issues were introduced with a revE mod...

  • the two screw holes are too small. My screws are 3mm (I think), and I had to ream these holes out a little
  • the countersinks for the socket cap aren't big enough for the screw heads. I'll have to drill them out
  • the filament guide tube on my printer is 5 or 6mm OD, larger than 4mm PTFE. It doesn't fit in your guide holes. PTFE didn't immediately fit either, but it was closer-enough that I think some pushing would do the trick.

The guide for the X limit sensor, and the mounting holes, both seem to work fine.

Hi AustinDavid, I have created a remix of this part that at least uses the larger diameter teflon tubing, not sure. The holes for the two screws still have to be drilled out some ;) I just drilled out both of mine it only takes a few seconds.

6mm Tube Makergear M2 Filament Guide Support Arm for 1.75mm filament