***NEW VERSION v3.0 see video here: https://youtu.be/LMwjKzrQjHg Version 2 of the 7-Segment mechanical counter. Improved design. This particular model is a sequential counter (numbers 0 - 9) that receives a linear input to cycle the display. Previous Version 1: https://www.youtube.com/watch?v=lSaKmTR1Rt0&ab_channel=Flower-3D Single-Digit v2.1 STL Files: https://www.printables.com/model/860058-7-segment-mechanical-counter-version-2-ratchet Two-Digit v2.1 STL files: https://www.printables.com/model/869296-7-segment-2-digit-mechanical-counter-version-21-ra/files Files updated on 5/5/24 to use 3D printed screws; no longer requires wood screws.