Uploaded February 2021 | Updated September 2026, 3 weeks ago

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thingiverse.com/thing:4768343

FYI : Same mechanism is seen in 1950's clocks, such as "Jefferson Golden Hour".

You may be interested in the new "Hollow Clock 3",
youtu.be/XCOC2zNjWCg

My works on digital fabrication:
shiura.com/dfab/index-en.html
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