Uploaded August 2021 | Updated September 2026, 2 weeks ago

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Examples of digit change of rotary 7-segment clock,
thingiverse.com/thing:4939540

Improved version is released.
youtu.be/Iom0Bg0sHtQ

My works on digital fabrication:
shiura.com/dfab/index-en.html
Please subscribe my YouTube channel if you like!