There was the Albatron ATOP (never seen in the wild be me), which was the NVidia HSI bridge with a jumper configuration, achieving exactly that:

https://www.techpowerup.com/forums/threads/mo … atop-info.3272/

Here are some photos of the bracket being rotated, along with what I think is the riser I bought years ago. I don't know how it would function if the bracket doesn't fit.