I simplified the original file to remove the coin-holder and replace it with a simple tray that can store whatever you need (cubes, coins, whatever).
I also increased the size of the D6 holder void from 15mm to 16mm to fit my 16mm dice.
Update: I've updated the file to version 3.0. This version has filled in the gaps in the highest hexagon so it matches the others. I've also made the hole for the D4 dice deeper so it's less likely to fall out when you move the stand around.