Totally redesigned - tested that it fits and in three heights. Enjoy!
30mm holds EXACTLY 9 tokens x 3 holders (5 of each)
34mm holds 10 tokens x 3 holders (5 of each)
34mm with 6 holders holds 10 tokens x 6 holders (10 of each)
It is a tokenholder for biscuitoman's tokens: https://www.thingiverse.com/thing:3027315
Dice for square fields are standard GW dice.
I used Fusion 360, imported the coins to measure up the tolerances (0,25mm, hope that's enough) and worked from there.