this post was submitted on 08 Sep 2023
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Yes, PLA creeps ridiculously fast in hot conditions it is unsuitable for use in any environment over 35C tbh.
PETG is better but will still warp/fade over time if it's exposed to the sun, and likely need replacing.
You need to be printing in ABS or ideally ASA if you want all-weather resistant cases. Which means now your printer needs an enclosure and ventilation...
Would love to print in ABS, but every time I tried the parts always warped. PETG is nicer and has very rarely warped on me.
Yeah ABS is super finicky to print, a temp controlled enclosure is mandatory and you often need perfectly prepped full adhesive plates with large print brims. But it's definitely the only true weather-tolerant plastic if you can get it to behave.
I think if I was ever at that point. I’d just use injection moulding
I just put a Amazon box over my printer, turned on brim, turned off part cooling and put glue stick over the print area! No warping from it! Did a lot of my voron parts like this before I built a proper enclosure!
It doesn't have to be anything super complicated, it just needs to keep the heat in
An Amazon box probably works really well as a free enclosure, but I'd worry about the fire risk. The enclosure I made I put a fire detector in just to be safe, making it out of paper would make me very paranoid.
I did the same when printing my Voron parts in ASA. I didn't use a glue stick and everything went pretty smoothly. I even put cardboard panels on my Voron while printing my magnetic panel clips, lol