(2020-05-29, 19:25)Evert-Jan Boer Wrote: What about sticker sheets with more than 26 stickers? Continue with aa, ab, ac etc?
If there are stickers with mirror image versions, then I suggest using a letter-number suffix for the mirror image pairs for example, a1, a2. This may help to keep within the 26 alpha characters - see here for a specific example. Then aa, ab, et seq.
Chris (LDraw Parts Library Admin)