Uploaded March 2022 | Updated September 2026, 2 weeks ago

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Mechanical perpetual calendars with several advantages.

- It can display all four types of months from 28 to 31 days
- When a month is selected, the day of the week is automatically displayed (from March of the year to February of the following year)
- Adequate width
- Fully 3D printable, easy snap-fit chain assembly

Descriptive text is in closed captions.

3D data for free at
instructables.com/Track-Link-Calendar
thingiverse.com/thing:5306027

Modified 3D data for multi-color 3D printers such as BambuLab P1S at
makerworld.com/ja/models/1451081-track-link-calendar-60-scale#profileId-1511569