Customizable Modular Perpetual Calendar

I’ve designed this modular perpetual calendar that you can fully adapt to your needs. Thanks to its spring-loaded system and interchangeable tiles, it works perfectly as a standard calendar, a reminder board, or even a score tracker for your own tabletop games. Design Features: 4-Slot Spring System: Easily display tiles for numbers, months, years, or custom icons. Modular & Versatile: Ideal as a desk organizer or a functional component for custom-made games. Customizable Tiles: I’ve included tiles with numbers, months, and years, plus blank tiles so you can create your own designs. Reinforced Body: The frame features pockets for M3 heat-set inserts (5.7mm length), ensuring a solid, durable, and professional assembly. Technical Details & Assembly: Hardware: The back cover is compatible with M3 screws (8mm length), whether round or flat head. Alignment: The cover includes a guide notch that must be oriented toward the bottom of the calendar for a perfect fit. Spring Mechanism: Optimized