I could not find a suitable dispenser box for the Cien napkins I just bought in Lidl, Poland. So I made my own. The Cien napkins can be bought in Lidl supermarkets all over Europe as I know. The size of the Cien napkin box is 230x115x74mm, so there is enough space for the napkin box to fit in the dispenser.
I have printed mine in PLA CF from Bambulab, and the result is really nice.
No supports needed