These are designed to fit in standard 3x4 in top loaders.
I used printable water decals to add the years to the tabs, printed on my laser jet printer, about 5x17mm of space for text.
Printed at 0.2mm layer height, measuring 0.6mm thick.
Full.stl | 16.1KB | |
Left_v2.stl | 10.2KB | |
MiddleV2.stl | 13.6KB |