1-inch Bondage Frame to Vac-U-Lock Adaptor
… so you can stuff a dildo into the mouth of a helpless sub. Print on the side with light supports, 30% infill or higher for rigidity. Designed for use with the YingYu K9 bondage frame, reviewed here.
A cabinet with pixel LEDs on each shelf, in case you have trouble deciding which toy to use today, this can make the choice for you. Just tell it how many shelves you have, how many toys on each shelf, and how many LEDs. It does the rest, randomizing one item per shelf.
The latest version of the Domin.AI Arduino software project, now abandoned. This version used a distance sensor for blowjob performance detection, along with cheap AC remote controls to activate a fucking machine.