Kroom That's the docking supply station. It needs 2 tiles of free space in order to extend its supply lines. I suppose I should create a special smaller supply part for internal use after all. In that case I'll make the docking supply station an external part again.
Yes, Abh mod will be divided into a common assets mod, utility mod, weapons and shield mod when mod dependency becomes available. If I do it now it would lower efficiency and I would have to make many more unnecessary adjustments to each each time.