so..this is what i think the orbital buider will look something like NOTE i know the model is bad but look at the idea http://imageshack.com/a/img31/2025/6cgf.png
They appear in the latest playtest by Metabolical. I linked the video at 29:28, but there are probably better shots than that, but the whole video is over an hour long, so I didn't feel like searching it all.