Quote:
Originally Posted by vpbarkley
...For marine fittings you need a filament with UV stability, not PLA. PLA is relatively strong but also brittle.
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I can confirm that after few hours under the sun I got one PLA part deformed. Only a small portion, probably the thickness was not enough and design generally weak. All the other PLA
parts are doing good. By the way, PLA is risky, better to use ABS or the other materials suggested for outfitting.
Quote:
Originally Posted by vpbarkley
Unfortunately, 3D printed items are not fully dense, so they are generally not immune to water infiltration.
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The internal mesh give more stiffness and strenght
compared to industrial injection molded components...tipically the internal strutture is closed and therefore
water tight. You can also increase the wall thickness is if water tightness is important. Some experts suggest to design internal structure instead to trust in the slicer.