Dice Tower with Storage (double helix)

I added a second spiral (making it a double helix) to BouncyMonkey's Yet Another Dice Tower. This allows for dice storage in the void left in the original design. Using a spring in the top, you can lift and spin it 180° to select which staircase to use.
Only way to empty the storage side of the tower in this version (I have ideas for a future design...) is to turn the tower upside-down and pour all the dice out. Fun but they do like to go everywhere.

Had to learn some Blender skills to mod t