RepRap Adjustable Filament Spool Roller

by schlem, published

RepRap Adjustable Filament Spool Roller by schlem Jun 17, 2013

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I bought some PLA on a spool that didn't quite fit my laser-cut spool roller. I really wanted to print something that would take a while and I didn't want to babysit the printer all night.

I had everything I needed to make this laying around the Schlaboratory - so I designed and printed the bases.

Easily adjustable for any width spool.

======== UPDATE ========
PLA can be tenacious stuff, and when you get toward the end of a spool, you may find that the spool doesn't have enough mass to stay on the rollers if you are feeding sideways. Initially, I ran the filament UNDER the front threaded rod (with some padding to keep the threads from gouging), but I made a guide to mount under the front element that helps to pull the spool of filament DOWN, onto the rollers.

This work is licensed under the Creative Commons - Attribution - Non-Commercial license. This license applies only to the files and documents available for download from the Thing Files section of this Thing.
All other related content (photographs, videos, and verbiage such as contained in "Description" or "Instructions" ) are excluded from this license. with all rights reserved, unless specifically available for download This notice constitutes a clarification, not a change, to licensing for this design.


I don't know if this really qualifies as RepRap, but it is technically part of the printer system, and it's constructed in a typical RepRap manner.

You will need:
-2 - lengths of threaded rod (8mm or 5/16) I used approx 7-1/2" or 190mm

  • 4 - 608 bearings
  • 4 - fender washers
    -16 - nuts
    -16 - normal washers

The photos should explain assembly better than anything I might write.

You may have to wrack (twist) the assembly to persuade it to sit flat, but it will stay flat after that.

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