Source link : https://www.thingiverse.com/thing:2276714
I printed this using standard temp setting for the materials I was using which are generally on the high end of the recommended temps. The walls are 1.6mm thick and as such are intended to be printed using 4 layers with a .4mm nozzle (2 interior and 2 exterior). The key to a water tight print is to set all of the layers up to the vertical walls (past the bottom curve) to print slow. For me that was the first 6 layers at .28mm resolution and 20mm print speed and the rest at 40mm speed (inner and outer walls using Cura). The 100% infil will only affect a small area where the cylinders intersect to ensure a solid water tight bond. Print vertically as they would normally stand, bottom to top, with no supports.
I used a concentric bottom pattern (Cura option) which I also believes helps it print waterproof since there are half as many and much less severe direction changes during the bottom print then if you printed it using lines.
It was successful and watertight using Hatchbox PLA, Hatchbox Wood PLA, Makergeeks Crystal PLA and Makergeek Maker PLA.
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