I have done some experimenting and found that we can have an underground belt prototype with a max distance of 0. This will allow SubTerra to use the underground-belt prototype which has the handy-dandy "structure" sprite that is drawn on top of the belt and its contents.
I have done some experimenting and found that we can have an underground belt prototype with a max distance of 0. This will allow SubTerra to use the underground-belt prototype which has the handy-dandy "structure" sprite that is drawn on top of the belt and its contents.