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Well, it does wonderfull. The ultime stresstest for the pot is filling it full with water of 100 degree C. Sure, the walls then become soft, but the pot keeps its form due to the shape that is like a large drop of water on a surface. In normal use there is not a single problem. The first time the bottom of the filter bends a little out, that is all.
In reply to the concerns about foodsafety. The good general rule to don't use 3d printed PLA for food has to deal with all kind of situations, meat, rotten food e.g. and with a good reason. For this project however, when only used for coffee, and using with the right temperatures I think the risks are not different from other normal situations. The inside of the filter reaches each time the pasteurisation temperature. Use another item to collect the extract if you are not sure about the pot. But we don't have seen any problem when used for months now.
Nice little coffeemaker
I have made the walls of the pot a little thicker. See the updated STL-file. A pot made with the new printing instructions I could pour 100 degree C water in it without a problem
Bacteria are almost everywere. Some we have to fear for, especially the ones that are associated with meat and rotten food. I haven't heard about harmfull bacteria associated with coffee, and think that cleaning with hot water and soap is good enough, but I will investigate that. Do you have a suggestion about which food safe epoxy suits this project?
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