Printed Part Materials
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I recommend using PETG or optimally CPE from Filamentum for all parts
PLA will work on all parts for a long time but it is brittle and tend to crack sooner or later. PLA also has low TG and will soften at 50C+ so hot sone parts might degrade
That said I have been using PLA for the bed support brackets and printing Polycarbonate at 105C on the bed without noticing anything going bad. We can get away with PLA on some hot sones because there is room temp around but t is not recommended over time