General search

3D Models for Perpetual Calendars and Desk Calendars

This collection gathers STL files for perpetual calendars that show the date without yearly replacement. You will find mechanical ring mechanisms, flip tile designs, compact desk stands, and clock-based versions. It helps you compare how each approach handles the day, date, and month before you print. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

How this collection is put together

Polyzon assembles this collection from search results on the connected platforms. Repeats and models without a preview are removed, weak matches go to the end, and the rest keeps the search order. Models belong to their authors — check the terms on each model's page.

Selection rules: the Polyzon editorial team · Text updated 2026-10-11


Collection

Start here

All models in this collection

About the category

«3D Models for Perpetual Calendars and Desk Calendars»

The models range from ring-and-disc mechanisms that rotate to set the date to flip or tile calendars where separate pieces are rearranged. Some designs use a clock movement or an automatic day mechanism, while others are purely manual. Desk and wall formats differ mainly in footprint, mounting, and how visible the date is from a distance.

When choosing a model, check the listed dimensions and scale, the number of parts, and whether the author shows assembly steps. Look at the material and settings the author lists, and review photos of real prints to judge surface finish and moving clearances. For mechanical versions, note whether the design needs supports and how the parts join, since small pivots and sliding surfaces affect how the calendar turns.

You can refine the search with terms such as mechanical calendar, desk calendar, flip calendar, ring calendar, or date display. Related topics include clock mechanisms, calendar cubes, and wall-mounted organizers. Adding material or printer type to the query can narrow results further if you already know your setup.

FAQ

Frequently asked questions

What is a perpetual calendar in 3D printing?
It is a calendar design that can be adjusted to show different dates without printing a new set for each year. In 3D printing, it usually appears as a set of rings, tiles, cubes, or a small mechanism.
Do perpetual calendar models need supports?
It depends on the geometry. Flat parts and simple tiles often print without them, while overhangs, small pivots, and enclosed mechanisms may require supports or a different orientation.
How do I choose between a mechanical and a manual perpetual calendar?
Mechanical versions use gears, rings, or an automatic day mechanism to change the display. Manual versions rely on rearranging tiles, cubes, or cards, which can be simpler to print and adjust.
Can I scale a perpetual calendar model?
Scaling changes clearances and the fit of moving parts, so check the author's notes before resizing. If you scale, test the assembly and the movement of any rings or sliders.

All 3D model categories

The full catalog of topics — from home & household to CNC, searchable across the connected sources.

Open the category catalog