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Printing A Large Enclosure. What Filament is best?



My enclosure is approx. 550mm long and 250mm wide.
Is 100% Infill PLA the best option? or should I print with another material, such as ABS, Nylon, PETG, etc?
I have a bad feeling that PLA will just crack after a week or so of use.
Does anyone have any experience with this?


I highly recommend that you use abs or petg at least, stronger materials if you can afford them. I used ASA-X, an abs-polycarbonate filament. Very strong and weather resistant too.
Pla has much less heat resistance and this could cause you problems on a hot day.