Never mind guys, I’ve found an alternate solution,
My last option was is use my coolermaster universal vertical gpu mount V2, had this spare and was about to sell it off, for this i had to drill a hole into the removable vertical pcie slot bracket of the case (corsair 7000x), the hole was drilled for the big nut screw to keep the whole thing steady and strong.
The only issue with this is i cannot use 2 of my gpu (2080ti aorus Xtreme) hdmi/display port sockets, because a few upper case metal bracket pieces were in the way and it’s not removable, unless I cut it! But I dont want to do that. So no worries i will use the alternative ports on the gpu.
So then the problems solved (kinda). Was hoping I could use the inbuilt vertical slot, but then companies making their own type of riser extenders with different screw alignment which is a pain in the a$$! Why can’t they all agree and make one standard type?, that’s just annoying!
Anyway, I’m sending the riser back to amazon, unharmed!
And no I couldn’t move the riser base to the left because the gpu socket wouldn’t align into the case socket for proper seating. And I couldn’t drill a hole into the case of right side even if I wanted to because the case had this triangular design on the shroud (look in the imgur album pictures link in the main post) so I couldn’t make that possible, overall drilling holes into the base of the case is out of the option list.