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I've mostly gotten the quality to where I'm happy except for whatever it's doing to the bow of Benchy. Still some stringing but I don't expect that to go away completely with TPU. Hatchbox TPU, been lowering temp, lowering print speed, fine tuning retraction, etc. I can give exact numbers if needed, but if anyone knows what to adjust specifically for what it's doing at the bow that would be great.
Prusa MK4S, standard Benchy orientation. I haven't tried adjusting cooling yet, just using the default FLEX settings but I can try that.
Could try turning the bow forward and see if that changes anything. From what I've read, start low with the fan, like 10-15%.
All else fails, still say worth drying it if you can, I've had some really damp spools fresh out of the bag before.
It was from the bag and been printing in my enclosure, so that alone tends to dry out my filament but it is my first time with TPU and I know it soaks up moisture. I've never had issues with wet filament, would it cause an issue in 1 area like that?
It'll cause more zits and the like, more stringing, don't know that'd 100% cause the issue but certainly won't help.
I just did a round of nylon last week which is also super hygroscopic, bag's like at most 8 months old but seal was intact. Even printing out of a drybox with fresh desiccant I noticed more stringing and occasional blobs + nozzle buildup over the few days (Was redoing my hotend so I inspected it, no sign of nozzle leaking), can definitely make overhangs worse.