I'm looking at getting some of these adapters for sticking 6HP worth of 3U modules into 1U rows:

https://reverb.com/item/28954223-3pcs-eurorack-3u-to-1u-eurorack-adapter-pulplogic-1u-standard

There's a way to rotate a module 180 degrees, but not 90 degrees, which allows for showing these modules in the spot they're going to reside in. Is there any way in hell this could be possible to implement, putting a submitted module of these adapter into a rack, and then putting a module into that rack?