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The other ones:
And today evening I will print a case for my recently upgraded trusty old iPod:
Update:
After a few changes the second prototype came out great, files also available for free now on my printables:
I used nylon carbon fiber.
That sounds durable, but not flexible. Am I right?
It’s durable, and is not inflexible but is quite brittle. I have also tried in pla and got similar results. It just never ended well.
I get your problem, yes. I also tried printing a bumper for my work phone in PLA a couple times before I was able to print TPU and it always took like 2 weeks until it broke. Those materials don’t like being put under pressure permanently. I didn’t try PETG, could imagine it to be a little better, even though it won’t absorb any impact if dropped.