I have tried to update thingiverse. Try this link and see if you can download directly from there now.
EVE 280ah Battery Supports by Heap64
These supports can be used to join EVE 280ah Lithium Cells to make a battery using 1/4" threaded rod. With these you will need to make or source your own busbars with holes 80mm on center. The end plates were designed to also use the same busbars.
www.thingiverse.com