Remove your GPU, and basically anything that puts weight on the board. With a heavy enough air cooler, if you didn’t want to take it off, I’d probably try to lie it down flat and make sure it’s on something sturdy but soft like a couple towels. That would just mean that it’s not hanging the weight off the board.
I’m not entirely sure about glass sides, if you have it, but I’d take the panel off and keep it safe like you would a mirror. It should be fine either way but if the case flexes funny I dunno how that would play out. If you can’t make it work then it’s probably fine but that might be the best bet.
It’s go t a great vibe but…are those wheels looking weird to anyone else? Like, the car’s going straight but they’re doing their own thing. In fact the whole front of the car is going in a different direction to the back.