New version of this make can be found here --> https://www.thingiverse.com/thing:3475590

This is a 3D printed Vertical GPU Mounting Bracket.

This design does NOT require any modifications that would damage your case.

This is only compatible with Full Tower and Mid Tower cases with 7 PCI slots or higher, so compatibility is buyer's responsibility.

It requires 7 screws on the side and 4 at the back of the case to firmly secure the mount in place.

It may or may not be necessary to remove all the pci covers on the slots.