In 2 channels, threads of various genres from “hacking” to “side dishes at night” are scattered, but you can create a “virtual thread that does not exist” that imitates this, such a “virtual thread” ...
A few models gave the "not watertertight" warning. After some digging, I'm convinced the troublemaker is the "text" shape generator from Tinkercad - apparently it creates some wrong vertices.
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