• cmnybo@discuss.tchncs.de
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      4 months ago

      I would be worried about water getting into the voids in the infill. You would probably have to fiberglass it to make it actually usable.

      • empireOfLove2@lemmy.dbzer0.com
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        4 months ago

        Fiberglass may be overkill, but you would absolutely need some kind of sealing lacquer around the entire print or it will definitely fill with water.

        • Tyfud@lemmy.world
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          4 months ago

          Honestly, some two part epoxy smoothed around it and you’d be gtg. And getting high off the fumes it gives off for the next three years…

        • scutiger@lemmy.world
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          4 months ago

          The 3d gloop mentioned in the video is a solvent that’s used for welding PLA. You could definitely use that to properly seal it. And being built from blocks like in the video (which is due to a limitation of the size of a 3d printer) means that any leak would probably be limited to a single block at a time and probably not catastrophic.

          • empireOfLove2@lemmy.dbzer0.com
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            4 months ago

            I suppose that would work too, just solvent and then smear the outer walls of the boat. PLA is not exactly water safe though and will break down/become mechanically weak with long enough exposure. So it would be better to ideally seal the plastic entirely with a laquer

        • FuglyDuck@lemmy.world
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          4 months ago

          Alternatively, build a siphoning drain tube so your movement over the surface sucks the water out as you go.

          Then you just have to not stop paddling.

        • Grass@sh.itjust.works
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          4 months ago

          Oh I remember there was a guy that used it to make tiny 3d printed pressure tanks and put propane or something in them.