Here is my version of a perpetual calendar, fully designed with openscad and fully customisable!
If you have a multi color setup (palette, mmu2...) there are files for labels and numbers but you can just print an embossed version of the calendar
calendar-board.stl | 13.3MB | |
calendar-days.stl | 1.9MB | |
calendar-months.stl | 3.3MB | |
calendar-numbers.stl | 6.8MB | |
calendar-ring.stl | 65.5KB | |
calendar.scad | 7.4KB |