Dice Tower, single piece, no supports required

This dice tower doesn't require any supports and can be printed in a single piece.
75% scale is enough for most dices, although you can experience some issues with d20.
85% is enough for all dice sets
If you want to modify something, you can find SCAD sources here: https://github.com/hirthwork/dice-tower.scad

Please, keep in mind that this dice tower requires a lot of filament. 85% scale model with 10% infill requires 330g of ABS plastic without skirt and brim. It will be quite frustrating to found that you out of plastic after 48 hours of printing