Uploaded November 2020 | Updated September 2026, 2 weeks ago

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A typical perpetual calendar is twice as wide as the display size. Alternatively, you need to align each date one by one. Some calendars do not allow you to view short months. This calendar has a function to automatically adjust the height of each vertical plate. 3D data can be downloaded for free from thingiverse.com.

thingiverse.com/thing:4645739

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