3DPrinting
3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.
The r/functionalprint community is now located at: !functionalprint@kbin.social or !functionalprint@fedia.io
There are CAD communities available at: !cad@lemmy.world or !freecad@lemmy.ml
Rules
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No bigotry - including racism, sexism, ableism, homophobia, transphobia, or xenophobia. Code of Conduct.
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Be respectful, especially when disagreeing. Everyone should feel welcome here.
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No porn (NSFW prints are acceptable but must be marked NSFW)
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No Ads / Spamming / Guerrilla Marketing
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Do not create links to reddit
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If you see an issue please flag it
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No guns
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No injury gore posts
If you need an easy way to host pictures, https://catbox.moe may be an option. Be ethical about what you post and donate if you are able or use this a lot. It is just an individual hosting content, not a company. The image embedding syntax for Lemmy is 
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First of all, 30ft x 30ft sounds absolutely huge! Maybe you meant 30 square feet? If you're not printing non-stop and can open a window from time to time, PLA should technically be fine from what I've read, although a well ventilated room would always be best.
As for the printer itself, I personally would advocate against Creality products. I would trust a Prusa MK3S with my life, but it is on the pricier side. I've read good things about the Sovol SV06 (not the 7), which looks like an MK3S at 1/3rd of the price. Can't speak from experience though.
Lol yeah 30 square feet. Long day. And I’d be printing mostly on weekends for like a few hours
Also why against creality?
For your use it should be pretty safe then. As for Creality, the couple of printers I've worked with from them are an absolute nightmare (but in their defense it looks like they were discontinued the moment they came out). I have the impression that the only positive comments you get about Creality printers are from people who haven't owned anything else, and joined this "tinkering" circlejerk. They're unpredictable at best and an electrical hazard at worst.
I recommend reading this reddit post and the other (first) post linked there: https://web.archive.org/web/20230119045038/https://www.reddit.com/r/3Dprinting/comments/w7o1pa/stop_recommending_creality_machines_blindly/