GraviStack
thingiverse
Different flavors of a tile stacking part to run the marble on different floors over the same place. The platform is only 1mm for faster printing. It‘s a bit flexible, but the critical parts are anyway the legs.
Download Model from thingiverse
With this file you will be able to print GraviStack with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on GraviStack.