Software engineer (video games). Likes dogs, DJing + EDM, running, electronics and loud bangs in Reservoir.

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Cake day: June 11th, 2023

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  • I’ve played around with using PLA to make plant pots on an old Ender 3. It wasn’t quite waterproof, but pretty close. If you wanted a perfect seal for underwater shenanigans, I’d probably experiment with different wall thickness settings, and maybe temperatures/fan cooling settings. You want to try and minimise the tiny air pockets between layer and filament drawing lines. (Resin 3D printers are probably better at this tbh.)

    I had reasonable success using a hot air gun to melt the outer layer of PLA to make it perfectly smooth, but this can deform your object if it heats up too much, so I’m guessing very hot temperatures and less contact time would be the ideal setting.

    You could also try smearing Vaseline or resin coating the outside of the object.