Other music to scratch the King Gizzard itch

True, most of us here don’t seem to be dedicated enough metalheads to go deep beyond Gizz.
In my experience Gojira - From Mars to Sirius was a good precursor to ITRN and PDA:

Not fully techincal metal, but this is a classic worth checking out just for the artwork that clearly inspired Omnium Gatherum too: