Mechanical calculators are precise, fascinating gadgets that you wouldn’t think would take well to being 3D printed, but a YouTuber has proved that a pocket-sized unit can be made purely from plastic filament. YouTuber 3D all Workshop detailed his working, but limited, build in a recent video. If you’re familiar with the holy grail of palm-sized mechanical calculators, the Curta, also known as the “pepper mill,” you already have a working understanding of how this 3D-printed calculator works. As detailed in the video, Workshop’s 3D-printed mechanical calculator, like the Curta, relies on a more than 200-year-old component known as the Leibniz stepped drum, named for its inventor, German…
30 Sep 2026 · The Register
Read the full article at The Register
