Blueprint
u/blueprintGS on Reddit. Gear design. Patterns. How-to. Pervertables. Leathercraft. DIY. Engineering. Sextech. Wood working. Metal work. Toy storage. Bondage furniture. Electronics. Software. Devices. Gadgets. Gearslut.
nogasm/nogasm
Software and hardware for Arduino-based orgasm prediction / detection - nogasm/nogasm.Fascinating design - this person built one with some modifications: https://www.reddit.com/r/BdsmDIY/comments/eh7efg/i_built_a_nogasm_recently_and_it_works_beautifully/