Do these GPU power adapters exist?

[Quartz]

Gaming GPUs generally have their power inputs at the top of the GPU, so there's quite often an untidy area there with the cabling, even with sleeved cables. Is there an adapter which will allow you to plug the PSU power cables in at the bottom of the GPU and therefore more discretely? I'm thinking of something you plug in to the GPU, goes down the back of the card, and has sockets the other end, near the motherboard, into which you plug the PSU power cables. It needs to be adjustable to cope with backplates.

Or, something like a SLI bridge, except for power?

 

[Quartz]

You can't do it as standard on the back as it would interfere with the slot space behind.

Not if you were able to plug the power cables in longitudinally. Or you had a device like a SLI bridge.