/r/EngineeringPorn: Engineering Porn - March 24, 2021 - 14:24
/r/interestingasfuck: Interesting As Fuck - For anything that is InterestingAsFuck - March 23, 2021 - 22:27
/r/oddlysatisfying: Oddly Satisfying - For those little things that are inexplicably satisfying. - March 23, 2021 - 17:58