Quote:
Originally Posted by Racecomp Engineering
To be clear, don't print these in regular ol' PETG or whatever because it will melt.
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Yup. PLA gets soft around 55C / 130F which means it's not good for interior parts if you live somewhere with ANY kind of heat in the summer. (Car interiors can easily hit 130+F on hot days.)
PETG is better, getting pliable at 85C / 185F. That makes it good for interior parts where PLA would fail, but still not enough for engine bay temps.
ABS is good to 105C / 220F. I wouldn't bolt it to the engine block, but otherwise it's not going to melt under the hood.