A Dice, very little material inside, Should be a Volume Saver, pay less for the same dice?
The stand on the bottom in photos can be seen at:
https://www.shapeways.com/product/CWCDZ9Z4F/stand-1-for-sphere-shell?key=b37e1d97cb15a77632ddb4e87f1b1703
It's an early version, try to improve the model for other materials.