Here is a screenshot of an omnidirectional miner.
it messures 12x14x3(except for a few blocks 4)
it features:
*4 miners
*automatic drill/miningpipe retrieval and distribution
*automatic ore sorting
*the abillity to mine automatically through water
*2 nuclear reactors - powering two MFSUs
i'll post a video of it in action as soon as i have time to cut the video material