This custom controller builder is making one in the shape of the Mysterious Artefact from Baldur's Gate 3, and it mostly works
From the creator that brought you a custom fight pad but it's two ditto comes a whole different kind of controller: Rudeism specialises in building custom controllers of, it's probably fair to say, varying utility, and one of their latest projects is a functioning replica of the Mysterious Artefact from Baldur's Gate 3.