Awesome Thanks JSW, in my case the filament is less than a week old, but I think that is great advice/idea either way. I think my main issue is that the tension becomes too great due to the filament getting itself into a bind or the spool creating too much tension by not turning freely. I will try out the air fryer trick as well. Thanks for your help.
Another way a bearing setup might be handy is for some of the spools that fit very loosely on the Ultimaker spool holder.
I've had a few brands (RepRapper is one) where during the print the spool will kind of tilt and suddenly re-orient itself with a very audible 'bang' which is annoying and disconcerting.
I did print an insert to reduce one brand of spool's hole down to something more sane, and it does help a bit.
https://www.thingiverse.com/thing:2974405
Exactly what you're thinking of
1 hour ago, phantom said:https://www.thingiverse.com/thing:2974405
Exactly what you're thinking of
For the 2, that should work, but not for the S series.
However, it looks like a good place to start, as the wheel has been invented.
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jsw 19
This is not a design, but a comment.
I've had this issue, particularly when using the 3mm filament, when the spool is mostly empty and the spool is old and has been exposed to room air for a long time and has absorbed H2O and has become brittle.
I've found that drying the filament (~6 hours in the air fryer on dehydrate at 120F) cures the issue.
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